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      <TotReportableCompRltdOrgAmt>5782326</TotReportableCompRltdOrgAmt>
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      <TotalContributionsAmt>25411</TotalContributionsAmt>
      <InvestmentIncomeGrp>
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        <ExclusionAmt>18721</ExclusionAmt>
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      <GrossAmountSalesAssetsGrp>
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      <LessCostOthBasisSalesExpnssGrp>
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      <NetGainOrLossInvestmentsGrp>
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        <TotalRevenueColumnAmt>69426</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>0</RelatedOrExemptFuncIncomeAmt>
        <UnrelatedBusinessRevenueAmt>0</UnrelatedBusinessRevenueAmt>
        <ExclusionAmt>44015</ExclusionAmt>
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      <ConferencesMeetingsGrp>
        <TotalAmt>34598</TotalAmt>
        <ProgramServicesAmt>34598</ProgramServicesAmt>
      </ConferencesMeetingsGrp>
      <OtherExpensesGrp>
        <Desc>EDUCATIONAL SPEAKER</Desc>
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        <ProgramServicesAmt>500</ProgramServicesAmt>
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      <TotalFunctionalExpensesGrp>
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        <ProgramServicesAmt>35098</ProgramServicesAmt>
        <ManagementAndGeneralAmt>0</ManagementAndGeneralAmt>
        <FundraisingAmt>0</FundraisingAmt>
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      <CashNonInterestBearingGrp>
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        <EOYAmt>28185</EOYAmt>
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      <InvestmentsOtherSecuritiesGrp>
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        <EOYAmt>1319597</EOYAmt>
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        <EOYAmt>1347782</EOYAmt>
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      <TotalLiabilitiesGrp>
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        <EOYAmt>0</EOYAmt>
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      <OrganizationFollowsFASB117Ind>X</OrganizationFollowsFASB117Ind>
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        <EOYAmt>1347782</EOYAmt>
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      <TotLiabNetAssetsFundBalanceGrp>
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        <EOYAmt>1347782</EOYAmt>
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      <NetUnrlzdGainsLossesInvstAmt>230473</NetUnrlzdGainsLossesInvstAmt>
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      <MethodOfAccountingCashInd>X</MethodOfAccountingCashInd>
      <AccountantCompileOrReviewInd>0</AccountantCompileOrReviewInd>
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      <SupportingOrgType3NonFuncInd>X</SupportingOrgType3NonFuncInd>
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        <SupportedOrganizationName>
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      <SupportedOrgInformationGrp>
        <SupportedOrganizationName>
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      <SupportedOrganizationsTotalCnt>2</SupportedOrganizationsTotalCnt>
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      <Form990SchASupportingOrgGrp>
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        <LoanDisqualifiedPersonInd>0</LoanDisqualifiedPersonInd>
        <ControlledDisqualifiedPrsnInd>0</ControlledDisqualifiedPrsnInd>
        <DisqualifiedPrsnControllIntInd>0</DisqualifiedPrsnControllIntInd>
        <DisqualifiedPrsnOwnrIntInd>0</DisqualifiedPrsnOwnrIntInd>
        <ExcessBusinessHoldingsRulesInd>0</ExcessBusinessHoldingsRulesInd>
        <ContributionControllerInd>0</ContributionControllerInd>
        <ContributionFamilyInd>0</ContributionFamilyInd>
        <Contribution35ControlledInd>0</Contribution35ControlledInd>
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      <Form990SchAType3SprtOrgAllGrp>
        <TimelyProvidedDocumentsInd>1</TimelyProvidedDocumentsInd>
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        <NetSTCapitalGainAdjNetIncmGrp>
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        <RecoveriesPYDistributionsGrp>
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        <AdjustedGrossIncomeGrp>
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          <CurrentYearAmt>0</CurrentYearAmt>
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        <ProductionIncomeGrp>
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          <CurrentYearAmt>0</CurrentYearAmt>
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        <OtherExpensesGrp>
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          <CurrentYearAmt>0</CurrentYearAmt>
        </OtherExpensesGrp>
        <TotalAdjustedNetIncomeGrp>
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          <CurrentYearAmt>69426</CurrentYearAmt>
        </TotalAdjustedNetIncomeGrp>
      </AdjustedNetIncomeGrp>
      <MinimumAssetAmountGrp>
        <AverageMonthlyFMVOfSecGrp>
          <PriorYearAmt>1228823</PriorYearAmt>
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        <AverageMonthlyCashBalancesGrp>
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          <CurrentYearAmt>14922</CurrentYearAmt>
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        <FMVOtherNonExemptUseAssetGrp>
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          <CurrentYearAmt>0</CurrentYearAmt>
        </FMVOtherNonExemptUseAssetGrp>
        <TotalFMVOfNonExemptUseAssetGrp>
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          <CurrentYearAmt>1212275</CurrentYearAmt>
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        <DiscountClaimedAmt>0</DiscountClaimedAmt>
        <AcquisitionIndebtednessGrp>
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          <CurrentYearAmt>0</CurrentYearAmt>
        </AcquisitionIndebtednessGrp>
        <AdjustedFMVLessIndebtednessGrp>
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          <CurrentYearAmt>1212275</CurrentYearAmt>
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        <CashDeemedCharitableGrp>
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          <CurrentYearAmt>0</CurrentYearAmt>
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        <TotalMinimumAssetGrp>
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          <CurrentYearAmt>41793</CurrentYearAmt>
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      </MinimumAssetAmountGrp>
      <DistributableAmountGrp>
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        <CYGreaterAdjustedMinimumAmt>43866</CYGreaterAdjustedMinimumAmt>
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        <CYDistributableAsAdjustedAmt>43866</CYDistributableAsAdjustedAmt>
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      <DistributionsGrp>
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        <CYDistriAttentiveSuprtOrgAmt>35098</CYDistriAttentiveSuprtOrgAmt>
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      <DistributionAllocationsGrp>
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        <RemainingUnderdistriCYAmt>0</RemainingUnderdistriCYAmt>
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        <ExcessFromYear4Amt>36343</ExcessFromYear4Amt>
        <ExcessFromYear3Amt>21425</ExcessFromYear3Amt>
        <ExcessFromYear2Amt>41216</ExcessFromYear2Amt>
        <ExcessFromYear1Amt>35098</ExcessFromYear1Amt>
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      <Form990ScheduleAPartVIGrp>
        <FormAndLineReferenceDesc>SCHEDULE A, PART IV, SECTION A, LINE 1:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ALUMNI ASSOCIATION OF THE LAHEY CLINIC FOUNDATION IS A SUPPORTING ORGANIZATION OF THE LAHEY CLINIC FOUNDATION (LCF). LCF SERVES AS THE SOLE MEMBER OF BOTH THE LAHEY CLINIC (LC) AND THE LAHEY CLINIC HOSPITAL D/B/A LAHEY HOSPITAL &amp; MEDICAL CENTER (LHMC). LHMC IS A TEACHING HOSPITAL AND IT IS THROUGH SUPPORT OF LHMC'S TEACHING ACTIVITY THAT THE ALUMNI ASSOCIATION SUPPORTS LCF.</ExplanationTxt>
      </Form990ScheduleAPartVIGrp>
      <Form990ScheduleAPartVIGrp>
        <FormAndLineReferenceDesc>PART IV, SECTION D, LINE 2</FormAndLineReferenceDesc>
        <ExplanationTxt>THE OFFICERS OF THE ORGANIZATION MUST BE ACTIVE MEMBERS OF THE ALUMNI ASSOCIATION OF LAHEY CLINIC FOUNDATION AND ARE ELECTED INDEPENDENTLY BY THE MEMBERS OF THE ASSOCIATION WHO ARE CURRENT OR FORMER MEMBERS OF THE SUPPORTED ORGANIZATIONS.</ExplanationTxt>
      </Form990ScheduleAPartVIGrp>
      <Form990ScheduleAPartVIGrp>
        <FormAndLineReferenceDesc>PART V, SECTION D, LINE 8</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION INCURS EXPENSES IN ITS EFFORTS TO SUPPORT ITS SUPPORTED ORGANIZATIONS.</ExplanationTxt>
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        <ContributorBusinessName>
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        </ContributorBusinessName>
        <ContributorUSAddress>
          <AddressLine1>RESTRICTED</AddressLine1>
          <AddressLine2>RESTRICTED</AddressLine2>
          <City>RESTRICTED</City>
          <State>RESTRICTED</State>
          <ZIPCode>RESTRICTED</ZIPCode>
        </ContributorUSAddress>
        <TotalContributionsAmt>RESTRICTED</TotalContributionsAmt>
      </ContributorInformationGrp>
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      <OtherSecuritiesGrp>
        <Desc>VANGUARD TOTAL STOCK MARKET INDEX FUND</Desc>
        <BookValueAmt>1319597</BookValueAmt>
        <MethodValuationCd>F</MethodValuationCd>
      </OtherSecuritiesGrp>
      <TotalBookValueSecuritiesAmt>1319597</TotalBookValueSecuritiesAmt>
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    <IRS990ScheduleJ documentId="RetDoc1042400001">
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      <SupplementalNonqualRtrPlanInd>1</SupplementalNonqualRtrPlanInd>
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        <TotalCompensationFilingOrgAmt>0</TotalCompensationFilingOrgAmt>
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        <NontaxableBenefitsRltdOrgsAmt>33403</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>0</TotalCompensationFilingOrgAmt>
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        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
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      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>CONNELL MD BRENDAN</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
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      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>STEMPEK PA SUSAN</PersonNm>
        <TitleTxt>DIRECTOR (END 11.20.23)</TitleTxt>
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      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>NAPOLITANA MD GUY</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
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        <CompensationBasedOnRltdOrgsAmt>380436</CompensationBasedOnRltdOrgsAmt>
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      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>NEZHAD MD STEVEN F</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
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      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>BRABECK MD DAVID</PersonNm>
        <TitleTxt>DIRECTOR &amp; EXEC DIRECTOR</TitleTxt>
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      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>WOZNIAK PA JOANNE</PersonNm>
        <TitleTxt>DIRECTOR (START 11.20.23)</TitleTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I, LINE 3</FormAndLineReferenceDesc>
        <ExplanationTxt>AS NOTED BELOW IN THIS FORM 990 SCHEDULE J, ALL OFFICERS AND BOARD MEMBERS OF THE ALUMNI ASSOCIATION OF THE LAHEY CLINIC FOUNDATION, INC.'S (LCFAA) ARE VOLUNTEERS AND ARE NOT COMPENSATED FOR THESE POSITIONS. THE EXECUTIVE DIRECTOR OF LCFAA IS ALSO A PHYSICIAN AT THE LAHEY CLINIC, AN ENTITY RELATED TO LCFAA, AND COMPENSATION REPORTED IN THIS FORM 990 FROM A RELATED ORGANIZATION, RELATES TO THE PERFORMANCE OF MEDICAL AND EDUCATIONAL SERVICES PERFORMED FOR THE LAHEY CLINIC. BETH ISRAEL LAHEY HEALTH THE INDIRECT SOLE MEMBER OF THE LAHEY CLINIC. THE BILH COMPENSATION COMMITTEE SETS COMPENSATION POLICIES FOR EMPLOYEES OF THE LAHEY CLINIC AND OTHER AFFILITAES. (SEE FORM 990 PART VI QUESTIONS 15A AND 15B). THE BILH COMPENSATION COMMITTEE ESTABLISHES THE POLICIES AND THE COMPENSATION STRUCTURE, INCLUDING BENEFITS, FOR THE BETH ISRAEL LAHEY HEALTH NETWORK OF AFFILIATES. AS ALSO NOTED ABOVE, THE ALUMNI ASSOCIATION OF THE LAHEY CLINIC FOUNDATION, INC DOES NOT PAY ANY OF ITS CURRENT OR FORMER OFFICERS, DIRECTORS/TRUSTEES OR KEY EMPLOYEES. THESE INDIVIDUALS ALL SERVE IN A VOLUNTEER CAPACITY FOR THIS ENTITY. HOWEVER, AS ALSO REPORTED BOTH IN FORM 990 PART VII AND IN THIS FORM 990 SCHEDULE J, SOME OF THESE INDIVIDUALS DO PROVIDE PHYSICIAN OR OTHER SERVICES TO THE LAHEY CLINIC OR OTHER AFFILIATES AND ARE COMPENSATED FOR THOSE ROLES. BILH IS THE INDIRECT SOLE MEMBER OF THE LAHEY CLINIC AND THE BILH COMPENSATION COMMITTEE WHICH IS COMPRISED BY INDEPENDENT MEMBERS OF THE BILH BOARD OF TRUSTEES, AND SETS COMPENSATION FOR THE MEMBERS OF SENIOR MANAGEMENT AT BILH AND ITS AFFILIATES. THE COMMITTEE ENSURES THAT COMPENSATION PAID TO THESE INDIVIDUALS IS FAIR AND REASONABLE USING CURRENT AND CREDIBLE APPLICABLE LEGAL AND REGULATORY GUIDELINES. IN SETTING COMPENSATION, THE COMPENSATION COMMITTEE RELIES UPON PUBLISHED COMPENSATION SURVEYS AND STUDIES PRODUCED BY INDEPENDENT COMPENSATION CONSULTING FIRMS THAT REGULARLY ASSESS EXECUTIVE COMPENSATION AND BENEFITS OF SUBSTANTIALLY SIMILAR ORGANIZATIONS. THE COMPENSATION COMMITTEE MEETS TO REVIEW THE COMPENSATION STRUCTURE OF THE INDIVIDUALS DESCRIBED ABOVE AND AT THAT TIME REVIEWS THE COMPENSATION SURVEY DETAILS PREPARED BY THE INDEPENDENT COMPENSATION CONSULTING FIRM. FOR SOME CATEGORIES OF POSITIONS, THE COMPENSATION COMMITTEE WILL REVIEW THE COMPENSATION STRUCTURE AND TARGETS AS A GROUP, RATHER THAN BY INDIVIDUAL. COMPENSATION FOR THE BILH CEO AND OTHER SENIOR EXECUTIVES IS REVIEWED ON AN INDIVIDUAL BASIS. ARRANGEMENTS OF ALL INDIVIDUALS DESCRIBED ABOVE EXCEPT FOR THE BILH CEO ARE VOTED AND APPROVED BY THE COMPENSATION COMMITTEE. THE BILH CEO'S COMPENSATION IS SUBMITTED TO THE FULL BILH BOARD OF TRUSTEES FOR APPROVAL ALL DELIBERATIONS FOR BOTH THE COMPENSATION COMMITTEE AND THE BOARD OF TRUSTEES ARE RECORDED IN THE MINUTES. THE COMPENSATION COMMITTEE PROCESSES AND PROCEDURES AS DESCRIBED ABOVE ARE DESIGNED TO MEET THE REQUIREMENTS OF TREASURY REGULATION SECTION 53.4958-6(C), REBUTTABLE PRESUMPTION THAT A TRANSACTION IS NOT AN EXCESS BENEFIT TRANSACTION.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I, LINE 4B</FormAndLineReferenceDesc>
        <ExplanationTxt>DURING THE PERIOD COVERED BY THIS FILING, ONE OR MORE INDIVIDUALS LISTED IN THIS FORM 990, SCHEDULE J, COMPENSATION INFORMATION, MAY HAVE PARTICIPATED IN ONE OR MORE OF THESE IRC 457(B) PLANS AND BENEFITS FROM PARTICIPATING IN ONE OF THESE PLANS IS ALSO REPORTED IN THIS FORM 990: BETH ISRAEL LAHEY HEALTH, INC. 457(B) DEFERRED COMPENSATION PLAN, LAHEY CLINIC FOUNDATION, INC. 457(B) NONQUALIFIED DEFERRED COMPENSATION PLAN FOR CERTAIN PHYSICIANS, SENIOR MANAGEMENT AND DEFINED MEDICAL STAFF. AMOUNTS DEFERRED BY PARTICIPANTS AND THE CHANGE IN VALUE OF THE PLAN BENEFITS RELATED TO THESE PARTICIPANTS'' ACCOUNTS ARE INCLUDED IN FORM 990 SCHEDULE J, PART II, COLUMN B(III), OTHER REPORTABLE COMPENSATION AND/OR FORM 990, SCHEDULE J, PART II, COLUMN C, DEFERRED COMPENSATION IN ACCORDANCE WITH THE INSTRUCTIONS TO THIS FORM 990. ADDITIONAL INFORMATION IS INCLUDED WITH THE EXPLANATORY NOTES TO SCHEDULE J BELOW.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I, LINE 7</FormAndLineReferenceDesc>
        <ExplanationTxt>AS NOTED ABOVE, THE BILH COMPENSATION COMMITTEE ESTABLISHES THE POLICIES AND THE COMPENSATION STRUCTURE, INCLUDING BENEFITS, FOR THE BETH ISRAEL LAHEY HEALTH NETWORK OF AFFILIATES INCLUDING THE BILH CHIEF EXECUTIVE OFFICER AS WELL AS OTHER MEMBERS OF SENIOR MANAGEMENT AT BILH AND ITS AFFILIATES. THE COMPENSATION COMMITTEE IS RESPONSIBLE FOR ASSURING THAT THE TOTAL COMPENSATION PROVIDED TO THESE INDIVIDUALS IS FAIR AND REASONABLE USING CURRENT AND CREDIBLE MARKET PRACTICE INFORMATION AND IS RESPONSIBLE FOR ENSURING COMPLIANCE WITH APPLICABLE LEGAL AND REGULATORY GUIDELINES. THE BILH COMPENSATION COMMITTEE IS COMPOSED OF INDEPENDENT MEMBERS OF ITS BOARD OF TRUSTEES. DURING THE 2023 CALENDAR YEAR, BILH MAINTAINED CERTAIN COMPENSATION PACKAGES WHICH INCLUDED OPPORTUNITIES TO EARN INCENTIVE COMPENSATION BASED ON A COMBINATION OF VARIOUS FACTORS, INCLUDING BUT NOT LIMITED TO, MEETING OR EXCEEDING THE EMPLOYING ENTITY'S OBJECTIVES FOR QUALITY AND PATIENT SAFETY, BUDGETED CONSOLIDATED OPERATING MARGIN, AND MEETING INDIVIDUAL GOALS AND OBJECTIVES. IN EACH CASE, INCENTIVE COMPENSATION WAS REVIEWED AND APPROVED BY THE COMPENSATION COMMITTEE, AND FOR THE BILH CEO AS NOTED ABOVE, THE FULL BILH BOARD OF TRUSTEES. ADDITIONAL INFORMATION IS INCLUDED IN THE EXPLANATORY NOTES TO THIS SCHEDULE J.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>ADDITIONAL EXPLANATORY NOTES:</FormAndLineReferenceDesc>
        <ExplanationTxt>DIRECTORS AND TRUSTEES SERVE WITHOUT COMPENSATION: ALL DIRECTORS/TRUSTEES SERVE WITHOUT COMPENSATION OR BENEFITS. COMPENSATION PAID TO OFFICERS, DIRECTORS/TRUSTEES OR KEY EMPLOYEES WAS EARNED FOR WORK PERFORMED IN A CAPACITY OTHER THAN THAT OF DIRECTOR/TRUSTEE, AS DENOTED BY THE LISTED TITLES IN THE NOTES BELOW. REPORTING PERIOD: AS REQUIRED BY FORM 990, COMPENSATION REPORTED IN THE FILING FOR THE FISCAL YEAR ENDED DECEMBER 31, 2023 IS CALENDAR YEAR 2023 COMPENSATION. COMPENSATION SOURCES: COMPENSATION REPORTED FOR INDIVIDUALS MAY INCLUDE COMPENSATION PAID BY THE REPORTING ENTITY, AN AFFILIATE OF THE REPORTING ENTITY AND IN SOME CASES UNRELATED ENTITIES AS REQUIRED BY FORM 990. REPORTABLE COMPENSATION: REPORTABLE COMPENSATION LISTED IN FORM 990 PART VII INCLUDES BASE COMPENSATION, INCENTIVE COMPENSATION AND OTHER REPORTABLE COMPENSATION AS REPORTED IN FORM 990 SCHEDULE J. OTHER COMPENSATION: OTHER COMPENSATION LISTED IN FORM 990 PART VII INCLUDES DEFERRED COMPENSATION AND NON-TAXABLE BENEFITS AS REPORTED IN FORM 990 SCHEDULE J. BASE COMPENSATION: AMOUNTS NOT OTHERWISE SEPARATELY NOTED IN THIS RETURN BUT QUANTIFIED IN BASE COMPENSATION INCLUDE AMOUNTS FROM ONE OR MORE OF THE FOLLOWING ITEMS: ORDINARY WAGES, EMPLOYEE DEFERRALS TO A 401(K) AND/OR 403(B) PLAN OTHER REPORTABLE COMPENSATION: AMOUNTS NOT OTHERWISE SEPARATELY NOTED IN THIS RETURN BUT QUANTIFIED IN OTHER REPORTABLE COMPENSATION INCLUDE AMOUNTS FROM ONE OR MORE OF THE FOLLOWING ITEMS: TAXABLE EMPLOYER SUBSIDIZED PARKING; TAXABLE LIFE, DISABILITY, OR LONG-TERM CARE INSURANCE. DEFERRED COMPENSATION: AMOUNTS NOT OTHERWISE SEPARATELY NOTED BUT QUANTIFIED IN DEFERRED COMPENSATION INCLUDE AMOUNTS FROM ONE OR MORE OF THE FOLLOWING ITEMS: EMPLOYER CONTRIBUTIONS TO 401(K) RETIREMENT PLAN, EMPLOYER CONTRIBUTIONS TO 403(B) RETIREMENT PLAN, EMPLOYER CONTRIBUTION TO PENSION PLAN AND/OR THE CHANGE IN ACTUARIAL VALUE OF THE PENSION PLAN BENEFIT NON-TAXABLE BENEFITS: AMOUNTS NOT OTHERWISE SEPARATELY NOTED BUT QUANTIFIED IN NON-TAXABLE BENEFITS INCLUDE, AMONG OTHER THINGS, AMOUNTS FROM ONE OR MORE OF THE FOLLOWING NON-TAXABLE BENEFITS: EMPLOYEE CONTRIBUTIONS TO HEALTH INSURANCE, EMPLOYER CONTRIBUTIONS TO HEALTH INSURANCE, EMPLOYEE CONTRIBUTIONS TO FLEXIBLE SPENDING ACCOUNTS FOR DEPENDENT CARE AND/OR MEDICAL REIMBURSEMENT, ADOPTION ASSISTANCE, TUITION ASSISTANCE PURSUANT TO AN EMPLOYER PLAN, GROUP TERM LIFE INSURANCE, DISABILITY INSURANCE ADDITIONAL INDIVIDUAL SPECIFIC INFORMATION IS INCLUDED BELOW.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>ADDITIONAL EXPLANATORY NOTES:</FormAndLineReferenceDesc>
        <ExplanationTxt>BRABECK, M.D., FACP, DAVID M. -EXECUTIVE DIRECTOR - ALUMNI ASSOCIATION OF THE LAHEY CLINIC FOUNDATION -PHYSICIAN HOSPITALIST - LAHEY CLINIC AND LAHEY CLINIC HOSPITAL D/B/A LAHEY HOSPITAL &amp; MEDICAL CENTER BRAMS, M.D., DAVID -DIRECTOR - ALUMNI ASSOCIATION OF THE LAHEY CLINIC FOUNDATION -GENERAL SURGEON - LAHEY CLINIC OTHER REPORT COMPENSATION INCLUDES EMPLOYEE CONTRIBUTIONS OF $22,500 TO A NON-QUALIFIED DEFERRED COMPENSATION PLAN CONNELL, M.D., BRENDAN J. -DIRECTOR - ALUMNI ASSOCIATION OF THE LAHEY CLINIC FOUNDATION -ONCOLOGIST - LAHEY CLINIC MANDEVILLE, M.D., JESSICA A. -DIRECTOR - ALUMNI ASSOCIATION OF THE LAHEY CLINIC FOUNDATION -PHYSICIAN, UROLOGY - LAHEY CLINIC INC. MOURTZINOS M.D., ARTHUR P. -TRUSTEE AND UROLOGIST - LAHEY CLINIC FOUNDATION, INC -PHYSICIAN, UROLOGY - LAHEY CLINIC INC OTHER REPORTABLE COMPENSATION FOR ARTHUR P. MOURTZINOS, M.D. INCLUDES A PAYOUT OF PTO IN THE AMOUNT OF $12,603. NAPOLITANA, M.D., GUY -DIRECTOR - ALUMNI ASSOCIATION OF THE LAHEY CLINIC FOUNDATION -PHYSICIAN, INTERNAL MEDICINE; DIVISION CHAIR, INTERNAL MEDICINE - LAHEY CLINIC AND LAHEY CLINIC HOSPITAL NEZHAD, M.D., STEVEN F. -DIRECTOR - ALUMNI ASSOCIATION OF THE LAHEY CLINIC FOUNDATION -GASTROENTOROLOGIST - LAHEY CLINIC INC. RICCIARDONE, M.D., MARGUERITE -DIRECTOR - ALUMNI ASSOCIATION OF THE LAHEY CLINIC FOUNDATION -ANESTHESIOLOGIST - LAHEY CLINIC INC. OTHER REPORTABLE COMPENSATION FOR DR. RICCIARDONE INCLUDES A PAYOUT OF PTO IN THE AMOUNT OF $8,602. SILLIN, M.D., LELAN -DIRECTOR - ALUMNI ASSOCIATION OF THE LAHEY CLINIC FOUNDATION -SIMULATION INNOVATION EDUCATOR -- LAHEY CLINIC &amp; LAHEY CLINIC HOSPITAL SORCINI, M.D., ANDREA P. -TRUSTEE (EX-OFFICIO) - LAHEY CLINIC FOUNDATION, INC. -PHYSICIAN, UROLOGY - LAHEY CLINIC OTHER REPORT COMPENSATION INCLUDES EMPLOYEE CONTRIBUTIONS OF $22,500 TO A NON-QUALIFIED DEFERRED COMPENSATION PLAN. STEMPEK, PA, SUSAN -DIRECTOR - ALUMNI ASSOCIATION OF THE LAHEY CLINIC FOUNDATION -VICE PRESIDENT, HOSPITAL AT HOME - LAHEY HOSPITAL AND MEDICAL CENTER OTHER REPORTABLE COMPENSATION FOR MS. STEMPEK INCLUDES A PAYOUT OF PTO IN THE AMOUNT OF $43,860. WALD, M.D. PHD, MBA, CHRISTOPH -DIRECTOR - ALUMNI ASSOCIATION OF THE LAHEY CLINIC FOUNDATION -ATTENDING PHYSICIAN - LAHEY HOSPITAL AND MEDICAL CENTER -CHAIR, DEPARTMENT OF RADIOLOGY -- LAHEY CLINIC AND LAHEY CLINIC HOSPITAL WOZNIAK, PA, JOANNE -DIRECTOR - ALUMNI ASSOCIATION OF THE LAHEY CLINIC FOUNDATION -CERTIFIED PHYSICIAN ASSISTANT, PULMONARY &amp; CRITICAL CARE MEDICINE - LAHEY CLINIC</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleJ>
    <IRS990ScheduleO documentId="RetDoc1044400001">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>BETH ISRAEL LAHEY HEALTH, INC. (BILH) IS THE SOLE MEMBER OF THE LAHEY CLINIC FOUNDATION (LCF) AND AS NOTED IN THIS FILING, THE ALUMNI ASSOCIATION OF THE LAHEY CLINIC FOUNDATION (ALUMNI ASSOCIATION) IS A SUPPORT ORGANIZATION OF LCF. THIS FORM 990 WAS PREPARED IN CONJUNCTION WITH THE EXECUTIVE DIRECTOR OF ALUMNI ASSOCIATION AND REPRESENTATIVES FROM THE BILH TAX DEPARTMENT, BILH DEVELOPMENT AND THE LAHEY HEALTH SHARED SERVICES FINANCE TEAM. THE TAX RETURNS HAVE BEEN REVIEWED BY THE ALUMNI ASSOCIATION EXECUTIVE DIRECTOR AND BY THE BILH EXECUTIVE DIRECTOR, TAXATION AND DELOITTE TAX, LLP. A COPY OF THE COMPLETE RETURN IS PROVIDED TO EACH ALUMNI ASSOCIATION OFFICER AND BOARD MEMBER PRIOR TO SUBMISSION TO THE INTERNAL REVENUE SERVICE.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION'S GOVERNING DOCUMENTS AND FINANCIAL STATEMENTS ARE AVAILABLE TO THE PUBLIC UPON REQUEST.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, LINE 15A/B:</FormAndLineReferenceDesc>
        <ExplanationTxt>AS NOTED THROUGHOUT THIS FILING, THE ALUMNI ASSOCIATION OF THE LAHEY CLINIC FOUNDATION IS AN ENTITY RELATED TO THE BETH ISRAEL LAHEY HEALTH (BILH) . THE ALUMNI ASSOCIATION OF THE LAHEY CLINIC FOUNDATION, INC DOES NOT PAY ANY OF ITS CURRENT OR FORMER OFFICERS, DIRECTORS/TRUSTEES OR KEY EMPLOYEES. THESE INDIVIDUALS ALL SERVE IN A VOLUNTEER CAPACITY FOR THIS ENTITY. HOWEVER, AS ALSO REPORTED BOTH IN FORM 990 PART VII AND IN THIS FORM 990 SCHEDULE J, SOME OF THESE INDIVIDUALS DO PROVIDE PHYSICIAN OR OTHER SERVICES TO THE LAHEY CLINIC OR OTHER AFFILIATES AND ARE COMPENSATED FOR THOSE ROLES. BILH MAINTAINS THE RESPONSIBILITY FOR SETTING COMPENSATION FOR EXECUTIVES AND SENIOR MANAGEMENT OF THE ENTITIES WHICH COMPRISE THE BETH ISRAEL LAHEY HEALTH NETWORK. THE BILH COMPENSATION COMMITTEE IS THEREFORE RESPONSIBLE FOR ASSURING THAT THE TOTAL COMPENSATION PROVIDED TO THESE INDIVIDUALS IS FAIR AND REASONABLE USING CURRENT AND CREDIBLE MARKET PRACTICE INFORMATION AND IS RESPONSIBLE FOR ENSURING COMPLIANCE WITH APPLICABLE LEGAL AND REGULATORY GUIDELINES, THE BILH COMPENSATION COMMITTEE IS COMPOSED OF INDEPENDENT MEMBERS OF ITS BOARD OF TRUSTEES AND EXCEPT AS OTHERWISE NOTED BELOW OR IN FORM 990 SCHEDULE J, THE COMPENSATION REPORTED IN THIS FORM 990 FOR ALUMNI ASSOCIATION OF THE LAHEY CLINIC FOUNDATION OFFICERS, TRUSTEES AND KEY EMPLOYEES WAS SET BY THE BILH COMPENSATION COMMITTEE. THE BILH COMPENSATION COMMITTEE PROCESS FOR SETTING COMPENSATION IS BELOW. THE BETH ISRAEL LAHEY HEALTH (BILH) COMPENSATION COMMITTEE ESTABLISHES THE POLICIES AND THE COMPENSATION STRUCTURE, INCLUDING BENEFITS, FOR THE BETH ISRAEL LAHEY HEALTH NETWORK OF AFFILIATES INCLUDING THE BILH CHIEF EXECUTIVE OFFICER AS WELL AS OTHER MEMBERS OF SENIOR MANAGEMENT AT BILH AND ITS AFFILIATES. THE COMPENSATION COMMITTEE IS RESPONSIBLE FOR ASSURING THAT THE TOTAL COMPENSATION PROVIDED TO THESE INDIVIDUALS IS FAIR AND REASONABLE USING CURRENT AND CREDIBLE MARKET PRACTICE INFORMATION AND IS RESPONSIBLE FOR ENSURING COMPLIANCE WITH APPLICABLE LEGAL AND REGULATORY GUIDELINES. THE BILH COMPENSATION COMMITTEE IS COMPOSED OF INDEPENDENT MEMBERS OF ITS BOARD OF TRUSTEES IN SETTING COMPENSATION, THE COMPENSATION COMMITTEE RELIES UPON PUBLISHED COMPENSATION SURVEYS AND STUDIES PRODUCED BY INDEPENDENT COMPENSATION CONSULTING FIRMS THAT REGULARLY ASSESS EXECUTIVE COMPENSATION AND BENEFITS OF SUBSTANTIALLY SIMILAR ORGANIZATIONS. THE COMPENSATION COMMITTEE MEETS TO REVIEW THE COMPENSATION STRUCTURE OF THE INDIVIDUALS DESCRIBED ABOVE AND AT THAT TIME REVIEWS THE COMPENSATION SURVEY DETAILS PREPARED BY THE INDEPENDENT COMPENSATION CONSULTING FIRM. FOR SOME CATEGORIES OF POSITIONS, THE COMPENSATION COMMITTEE WILL REVIEW THE COMPENSATION STRUCTURE AND TARGETS AS A GROUP, RATHER THAN BY INDIVIDUAL. COMPENSATION FOR THE BILH CEO AND OTHER SENIOR EXECUTIVES IS REVIEWED ON AN INDIVIDUAL BASIS. THE COMPENSATION COMMITTEE THEN VOTES TO APPROVE THE COMPENSATION ARRANGEMENTS OF ALL INDIVIDUALS DESCRIBED ABOVE EXCEPT FOR THE BILH CEO. THE COMPENSATION PACKAGE FOR THE BILH CEO AS VOTED BY THE COMPENSATION COMMITTEE IS SUBMITTED TO THE FULL BOARD OF TRUSTEES FOR APPROVAL. ALL DELIBERATIONS FOR BOTH THE COMPENSATION COMMITTEE AND THE BOARD OF TRUSTEES ARE CONTEMPORANEOUSLY DOCUMENTED IN MINUTES. THE COMPENSATION COMMITTEE PROCESSES AND PROCEDURES AS DESCRIBED ABOVE ARE DESIGNED TO MEET THE REQUIREMENTS OF TREASURY REGULATION SECTION 53.4958-6(C), REBUTTABLE PRESUMPTION THAT A TRANSACTION IS NOT AN EXCESS BENEFIT TRANSACTION.</ExplanationTxt>
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    </IRS990ScheduleO>
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        <USAddress>
          <AddressLine1Txt>529 MAIN ST 4TH FL</AddressLine1Txt>
          <CityNm>CHARLESTOWN</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>02129</ZIPCd>
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        <EIN>472248298</EIN>
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        <ExemptCodeSectionTxt>501(C)(3)</ExemptCodeSectionTxt>
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        <ControlledOrganizationInd>1</ControlledOrganizationInd>
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      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>BETH ISRAEL LAHEY HEALTH INC</BusinessNameLine1Txt>
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          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>02129</ZIPCd>
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        <EIN>832671600</EIN>
        <PrimaryActivitiesTxt>MANAGEMENT PROFESSIONAL &amp; IT SUPPORT SERVICES</PrimaryActivitiesTxt>
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          <AddressLine1Txt>300 LONGWOOD AVE</AddressLine1Txt>
          <CityNm>BOSTON</CityNm>
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          <ZIPCd>02215</ZIPCd>
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      <IdRelatedTaxExemptOrgGrp>
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          <AddressLine1Txt>330 BROOKLINE AVE</AddressLine1Txt>
          <CityNm>BOSTON</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>02215</ZIPCd>
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      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>BID-MILTON PHYSICIAN ASSOCIATES INC</BusinessNameLine1Txt>
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        <USAddress>
          <AddressLine1Txt>199 REEDSDALE ROAD</AddressLine1Txt>
          <CityNm>MILTON</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>02186</ZIPCd>
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        <EIN>222566792</EIN>
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        <ControlledOrganizationInd>1</ControlledOrganizationInd>
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      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>BIH PATHOLOGY FOUNDATION INC</BusinessNameLine1Txt>
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          <AddressLine1Txt>330 BROOKLINE AVE</AddressLine1Txt>
          <CityNm>BOSTON</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>02215</ZIPCd>
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        <EIN>222548374</EIN>
        <PrimaryActivitiesTxt>SUPPORT PATIENT CARE, RESEARCH AND TEACHING MISSIONS OF BIDMC, HFMP AND HMS</PrimaryActivitiesTxt>
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          <BusinessNameLine1Txt>HARVARD MEDICAL FACULTY PHYSICIANS AT BETH ISRAEL DEACONESS MEDICAL CENTER</BusinessNameLine1Txt>
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      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>BIH RADIOLOGIC FOUNDATION INC</BusinessNameLine1Txt>
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        <USAddress>
          <AddressLine1Txt>330 BROOKLINE AVE</AddressLine1Txt>
          <CityNm>BOSTON</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>02215</ZIPCd>
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        <EIN>042571853</EIN>
        <PrimaryActivitiesTxt>SUPPORT PATIENT CARE, RESEARCH AND TEACHING MISSIONS OF BIDMC, HFMP AND HMS</PrimaryActivitiesTxt>
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      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>CAB HEALTH AND RECOVERY SERVICES INC</BusinessNameLine1Txt>
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        <USAddress>
          <AddressLine1Txt>199 ROSEWOOD DRIVE</AddressLine1Txt>
          <CityNm>DANVERS</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>01923</ZIPCd>
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        <EIN>042400270</EIN>
        <PrimaryActivitiesTxt>SUBSTANCE ABUSE - INACTIVE</PrimaryActivitiesTxt>
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          <BusinessNameLine1Txt>NORTHEAST BEHAVIORAL HEALTH CORPORATION</BusinessNameLine1Txt>
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        <ControlledOrganizationInd>1</ControlledOrganizationInd>
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      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>COMMUNITY PHYSICIANS ASSOCIATES INC</BusinessNameLine1Txt>
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          <AddressLine1Txt>199 REEDSDALE RD</AddressLine1Txt>
          <CityNm>MILTON</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>02186</ZIPCd>
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        <EIN>043243146</EIN>
        <PrimaryActivitiesTxt>OUTPATIENT AND PRIMARY CARE SERVICES</PrimaryActivitiesTxt>
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          <BusinessNameLine1Txt>CONTINUING EDU PROGRAM DBA BID DEPT OF PSYCH FDN</BusinessNameLine1Txt>
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          <AddressLine1Txt>375 LONGWOOD AVE</AddressLine1Txt>
          <CityNm>BOSTON</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>02215</ZIPCd>
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        <EIN>043242952</EIN>
        <PrimaryActivitiesTxt>SUPPORT PATIENT CARE, RESEARCH AND TEACHING MISSIONS OF BIDMC, HFMP AND HMS</PrimaryActivitiesTxt>
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          <AddressLine1Txt>5 ALUMNI DRIVE</AddressLine1Txt>
          <CityNm>EXETER</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>03833</ZIPCd>
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        <EIN>870807914</EIN>
        <PrimaryActivitiesTxt>PHYSICIAN PRACTICES</PrimaryActivitiesTxt>
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      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>CPHCH INC DBA BILH AT HOME - WATERTOWN</BusinessNameLine1Txt>
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          <AddressLine1Txt>C/O NRPN 600 CUMMINGS CTR</AddressLine1Txt>
          <CityNm>BEVERLY</CityNm>
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          <ZIPCd>01915</ZIPCd>
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        <EIN>473111453</EIN>
        <PrimaryActivitiesTxt>HOME CARE &amp; HOSPICE - INACTIVE</PrimaryActivitiesTxt>
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      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>EXETER HEALTH RESOURCES SELF-INSURANCE TRUST</BusinessNameLine1Txt>
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        <USAddress>
          <AddressLine1Txt>5 ALUMNI DRIVE</AddressLine1Txt>
          <CityNm>EXETER</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>03833</ZIPCd>
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        <EIN>200753662</EIN>
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        <ControlledOrganizationInd>1</ControlledOrganizationInd>
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      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>EXETER HEALTH RESOURCES INC</BusinessNameLine1Txt>
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        <USAddress>
          <AddressLine1Txt>5 ALUMNI DRIVE</AddressLine1Txt>
          <CityNm>EXETER</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>03833</ZIPCd>
        </USAddress>
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      <IdRelatedTaxExemptOrgGrp>
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          <AddressLine1Txt>5 ALUMNI DRIVE</AddressLine1Txt>
          <CityNm>EXETER</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>03833</ZIPCd>
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        <EIN>222674014</EIN>
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      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
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        <USAddress>
          <AddressLine1Txt>5 ALUMNI DRIVE</AddressLine1Txt>
          <CityNm>EXETER</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>03833</ZIPCd>
        </USAddress>
        <EIN>020418718</EIN>
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          <BusinessNameLine1Txt>EXETER HEALTH RESOURCES INC</BusinessNameLine1Txt>
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      <IdRelatedTaxExemptOrgGrp>
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        <USAddress>
          <AddressLine1Txt>375 LONGWOOD AVE</AddressLine1Txt>
          <CityNm>BOSTON</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>02215</ZIPCd>
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        <EIN>222768204</EIN>
        <PrimaryActivitiesTxt>GENERAL AND SPECIALIZED MEDICAL SERVICES TO THE PATIENTS OF BIDMC AND OTHERS</PrimaryActivitiesTxt>
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          <BusinessNameLine1Txt>BETH ISRAEL DEACONESS MEDICAL CENTER INC</BusinessNameLine1Txt>
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        <ControlledOrganizationInd>1</ControlledOrganizationInd>
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      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
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        <USAddress>
          <AddressLine1Txt>199 ROSEWOOD DRIVE</AddressLine1Txt>
          <CityNm>DANVERS</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>01923</ZIPCd>
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        <EIN>223232914</EIN>
        <PrimaryActivitiesTxt>HUD HOUSING - INACTIVE</PrimaryActivitiesTxt>
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          <BusinessNameLine1Txt>NORTHEAST BEHAVIORAL HEALTH CORPORATION</BusinessNameLine1Txt>
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      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>JORDAN PHYSICIAN ASSOCIATES INC</BusinessNameLine1Txt>
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          <CityNm>PLYMOUTH</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>02360</ZIPCd>
        </USAddress>
        <EIN>043228556</EIN>
        <PrimaryActivitiesTxt>OUTPATIENT AND PRIMARY CARE SERVICES</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>MA</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501(C)(3)</ExemptCodeSectionTxt>
        <PublicCharityStatusTxt>LINE 10</PublicCharityStatusTxt>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>BETH ISRAEL DEACONESS HOSPITAL-PLYMOUTH INC</BusinessNameLine1Txt>
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      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>JOSLIN CLINIC INC</BusinessNameLine1Txt>
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        <USAddress>
          <AddressLine1Txt>ONE JOSLIN PLACE</AddressLine1Txt>
          <CityNm>BOSTON</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>02215</ZIPCd>
        </USAddress>
        <EIN>222984590</EIN>
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          <BusinessNameLine1Txt>JOSLIN DIABETES CENTER INC</BusinessNameLine1Txt>
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        <ControlledOrganizationInd>1</ControlledOrganizationInd>
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      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>JOSLIN DIABETES CENTER INC</BusinessNameLine1Txt>
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        <USAddress>
          <AddressLine1Txt>ONE JOSLIN PLACE</AddressLine1Txt>
          <CityNm>BOSTON</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>02215</ZIPCd>
        </USAddress>
        <EIN>042203836</EIN>
        <PrimaryActivitiesTxt>PREVENTION, TREATMENT, AND CURE OF DIABETES</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>MA</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501(C)(3)</ExemptCodeSectionTxt>
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        <ControlledOrganizationInd>1</ControlledOrganizationInd>
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      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>LAHEY CLINIC CANADIAN FOUNDATION</BusinessNameLine1Txt>
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          <AddressLine1Txt>130 KING ST WEST</AddressLine1Txt>
          <CityNm>TORONTO</CityNm>
          <ProvinceOrStateNm>ONTARIO</ProvinceOrStateNm>
          <CountryCd>CA</CountryCd>
        </ForeignAddress>
        <PrimaryActivitiesTxt>FUNDRAISING ORG</PrimaryActivitiesTxt>
        <LegalDomicileForeignCountryCd>CA</LegalDomicileForeignCountryCd>
        <DirectControllingNACd>N/A</DirectControllingNACd>
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      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>LAHEY CLINIC FOUNDATION INC</BusinessNameLine1Txt>
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        <USAddress>
          <AddressLine1Txt>529 MAIN ST 4TH FL</AddressLine1Txt>
          <CityNm>CHARLESTOWN</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>02129</ZIPCd>
        </USAddress>
        <EIN>042323457</EIN>
        <PrimaryActivitiesTxt>FINANCIAL &amp; OPERATIONAL SUPPORT TO LCI AND LCH</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>MA</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501(C)(3)</ExemptCodeSectionTxt>
        <PublicCharityStatusTxt>LINE 7</PublicCharityStatusTxt>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>BETH ISRAEL LAHEY HEALTH INC</BusinessNameLine1Txt>
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        <ControlledOrganizationInd>1</ControlledOrganizationInd>
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      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>LAHEY CLINIC HOSPITAL INC DBA LAHEY HOSPITAL &amp; MEDICAL CENTER AND LMC</BusinessNameLine1Txt>
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        <USAddress>
          <AddressLine1Txt>529 MAIN ST 4TH FL</AddressLine1Txt>
          <CityNm>CHARLESTOWN</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>02129</ZIPCd>
        </USAddress>
        <EIN>042704686</EIN>
        <PrimaryActivitiesTxt>HEALTHCARE</PrimaryActivitiesTxt>
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        <ExemptCodeSectionTxt>501(C)(3)</ExemptCodeSectionTxt>
        <PublicCharityStatusTxt>LINE 3</PublicCharityStatusTxt>
        <DirectControllingEntityName>
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          <CityNm>CHARLESTOWN</CityNm>
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          <AddressLine1Txt>464 HILLSIDE AVE</AddressLine1Txt>
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      <IdRelatedTaxExemptOrgGrp>
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          <BusinessNameLine1Txt>NEW ENGLAND BAPTIST HOSPITAL</BusinessNameLine1Txt>
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          <AddressLine1Txt>125 PARKER HILL AVE</AddressLine1Txt>
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          <BusinessNameLine1Txt>BIDCO HOSPITAL LLC</BusinessNameLine1Txt>
        </RelatedOrganizationName>
        <USAddress>
          <AddressLine1Txt>247 STATION DRIVE NORTHWEST 1</AddressLine1Txt>
          <CityNm>WESTWOOD</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>02090</ZIPCd>
        </USAddress>
        <EIN>461643790</EIN>
        <PrimaryActivitiesTxt>COORDINATED SAFE AND COST EFFECTIVE PATIENT CARE AT BIDMC</PrimaryActivitiesTxt>
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        <DirectControllingNACd>N/A</DirectControllingNACd>
        <DisproportionateAllocationsInd>0</DisproportionateAllocationsInd>
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      <IdRelatedOrgTxblPartnershipGrp>
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          <BusinessNameLine1Txt>BIDCO PHYSICIAN LLC</BusinessNameLine1Txt>
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          <AddressLine1Txt>600 UNICORN PARK DRIVE 4TH FL</AddressLine1Txt>
          <CityNm>WOBURN</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>01801</ZIPCd>
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        <PrimaryActivitiesTxt>COORDINATED SAFE AND COST EFFECTIVE PATIENT CARE AT BILH</PrimaryActivitiesTxt>
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      <IdRelatedOrgTxblPartnershipGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>BILH INVESTMENT PARTNERSHIP LLP</BusinessNameLine1Txt>
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          <AddressLine1Txt>529 MAIN ST 4TH FL</AddressLine1Txt>
          <CityNm>CHARLESTOWN</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>02129</ZIPCd>
        </USAddress>
        <EIN>043278109</EIN>
        <PrimaryActivitiesTxt>INVESTMENT PARTNERSHIP</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>MA</LegalDomicileStateCd>
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        <DisproportionateAllocationsInd>0</DisproportionateAllocationsInd>
        <GeneralOrManagingPartnerInd>0</GeneralOrManagingPartnerInd>
      </IdRelatedOrgTxblPartnershipGrp>
      <IdRelatedOrgTxblPartnershipGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>NEBSC HOSPITAL HOLDINGS LLC</BusinessNameLine1Txt>
        </RelatedOrganizationName>
        <USAddress>
          <AddressLine1Txt>125 PARKER HILL AVE</AddressLine1Txt>
          <CityNm>BOSTON</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>02120</ZIPCd>
        </USAddress>
        <EIN>874293833</EIN>
        <PrimaryActivitiesTxt>INVESTMENT PARTNERSHIP</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>MA</LegalDomicileStateCd>
        <DirectControllingNACd>N/A</DirectControllingNACd>
        <DisproportionateAllocationsInd>0</DisproportionateAllocationsInd>
        <GeneralOrManagingPartnerInd>0</GeneralOrManagingPartnerInd>
      </IdRelatedOrgTxblPartnershipGrp>
      <IdRelatedOrgTxblPartnershipGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>NEW ENGLAND BAPTIST SURGERY CENTER LLC</BusinessNameLine1Txt>
        </RelatedOrganizationName>
        <USAddress>
          <AddressLine1Txt>100 AVON MEADOW LANE</AddressLine1Txt>
          <CityNm>AVON</CityNm>
          <StateAbbreviationCd>CT</StateAbbreviationCd>
          <ZIPCd>06001</ZIPCd>
        </USAddress>
        <EIN>874311329</EIN>
        <PrimaryActivitiesTxt>AMBULATORY SURGERY CENTER</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>MA</LegalDomicileStateCd>
        <DirectControllingNACd>N/A</DirectControllingNACd>
        <DisproportionateAllocationsInd>0</DisproportionateAllocationsInd>
        <GeneralOrManagingPartnerInd>0</GeneralOrManagingPartnerInd>
      </IdRelatedOrgTxblPartnershipGrp>
      <IdRelatedOrgTxblPartnershipGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>PHYSICIANS PROFESSIONAL SERVICES LLP</BusinessNameLine1Txt>
        </RelatedOrganizationName>
        <USAddress>
          <AddressLine1Txt>200 RIVERS EDGE DRIVE</AddressLine1Txt>
          <CityNm>MEDFORD</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>02155</ZIPCd>
        </USAddress>
        <EIN>043275078</EIN>
        <PrimaryActivitiesTxt>TO PROVIDE MEDICAL BILLING SERVICES</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>MA</LegalDomicileStateCd>
        <DirectControllingNACd>N/A</DirectControllingNACd>
        <DisproportionateAllocationsInd>0</DisproportionateAllocationsInd>
        <GeneralOrManagingPartnerInd>0</GeneralOrManagingPartnerInd>
      </IdRelatedOrgTxblPartnershipGrp>
      <IdRelatedOrgTxblPartnershipGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>SHIELDS IMAGING AT ANNA JAQUES HOSPITAL LLC</BusinessNameLine1Txt>
        </RelatedOrganizationName>
        <USAddress>
          <AddressLine1Txt>700 CONGRESS ST STE 204</AddressLine1Txt>
          <CityNm>QUINCY</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>02169</ZIPCd>
        </USAddress>
        <EIN>383989358</EIN>
        <PrimaryActivitiesTxt>MRI SERVICES</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>MA</LegalDomicileStateCd>
        <DirectControllingNACd>N/A</DirectControllingNACd>
        <DisproportionateAllocationsInd>0</DisproportionateAllocationsInd>
        <GeneralOrManagingPartnerInd>0</GeneralOrManagingPartnerInd>
      </IdRelatedOrgTxblPartnershipGrp>
      <IdRelatedOrgTxblPartnershipGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>WINCHESTER HOSPITALSHIELDS MRI LLC</BusinessNameLine1Txt>
        </RelatedOrganizationName>
        <USAddress>
          <AddressLine1Txt>700 CONGRESS ST STE 204</AddressLine1Txt>
          <CityNm>QUINCY</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>02169</ZIPCd>
        </USAddress>
        <EIN>462523117</EIN>
        <PrimaryActivitiesTxt>MRI SERVICES</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>MA</LegalDomicileStateCd>
        <DirectControllingNACd>N/A</DirectControllingNACd>
        <DisproportionateAllocationsInd>0</DisproportionateAllocationsInd>
        <GeneralOrManagingPartnerInd>0</GeneralOrManagingPartnerInd>
      </IdRelatedOrgTxblPartnershipGrp>
      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>GREATER NEWBURYPORT MANAGEMENT SERVICES ORGANIZATION INC</BusinessNameLine1Txt>
        </RelatedOrganizationName>
        <USAddress>
          <AddressLine1Txt>25 HIGHLAND AVE</AddressLine1Txt>
          <CityNm>NEWBURYPORT</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>01950</ZIPCd>
        </USAddress>
        <EIN>161744477</EIN>
        <PrimaryActivitiesTxt>MANAGEMENT SERVICES</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>MA</LegalDomicileStateCd>
        <DirectControllingNACd>N/A</DirectControllingNACd>
        <EntityTypeTxt>C</EntityTypeTxt>
        <ControlledOrganizationInd>0</ControlledOrganizationInd>
      </IdRelatedOrgTxblCorpTrGrp>
      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>HUNTINGFIELD CORPORATION</BusinessNameLine1Txt>
        </RelatedOrganizationName>
        <USAddress>
          <AddressLine1Txt>C/O LCF 529 MAIN ST 4TH FL</AddressLine1Txt>
          <CityNm>CHARLESTOWN</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>02129</ZIPCd>
        </USAddress>
        <EIN>454047430</EIN>
        <PrimaryActivitiesTxt>TO HOLD OWNERSHIP OF SUBTERRANEAN RIGHTS</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>DE</LegalDomicileStateCd>
        <DirectControllingNACd>N/A</DirectControllingNACd>
        <EntityTypeTxt>C</EntityTypeTxt>
        <ControlledOrganizationInd>0</ControlledOrganizationInd>
      </IdRelatedOrgTxblCorpTrGrp>
      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>LAHEY CLINIC INSURANCE CO LTD</BusinessNameLine1Txt>
        </RelatedOrganizationName>
        <ForeignAddress>
          <AddressLine1Txt>CRAIG APPIN HOUSE PO BOX HM 2450</AddressLine1Txt>
          <CityNm>HAMILTON</CityNm>
          <CountryCd>BD</CountryCd>
        </ForeignAddress>
        <PrimaryActivitiesTxt>INSURANCE</PrimaryActivitiesTxt>
        <LegalDomicileForeignCountryCd>BD</LegalDomicileForeignCountryCd>
        <DirectControllingNACd>N/A</DirectControllingNACd>
        <EntityTypeTxt>C</EntityTypeTxt>
        <ControlledOrganizationInd>0</ControlledOrganizationInd>
      </IdRelatedOrgTxblCorpTrGrp>
      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>LEDGEWOOD HEALTH CARE CORPORATION</BusinessNameLine1Txt>
        </RelatedOrganizationName>
        <USAddress>
          <AddressLine1Txt>87 HERRICK STREET</AddressLine1Txt>
          <CityNm>BEVERLY</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>01915</ZIPCd>
        </USAddress>
        <EIN>042855189</EIN>
        <PrimaryActivitiesTxt>NURSING HOME</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>MA</LegalDomicileStateCd>
        <DirectControllingNACd>N/A</DirectControllingNACd>
        <EntityTypeTxt>C</EntityTypeTxt>
        <ControlledOrganizationInd>0</ControlledOrganizationInd>
      </IdRelatedOrgTxblCorpTrGrp>
      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>NORTHEAST PROPRIETARY CORP</BusinessNameLine1Txt>
        </RelatedOrganizationName>
        <USAddress>
          <AddressLine1Txt>85 HERRICK STREET</AddressLine1Txt>
          <CityNm>BEVERLY</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>01915</ZIPCd>
        </USAddress>
        <EIN>042855191</EIN>
        <PrimaryActivitiesTxt>MEDICAL SERVICES</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>MA</LegalDomicileStateCd>
        <DirectControllingNACd>N/A</DirectControllingNACd>
        <EntityTypeTxt>C</EntityTypeTxt>
        <ControlledOrganizationInd>0</ControlledOrganizationInd>
      </IdRelatedOrgTxblCorpTrGrp>
      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>WINCHESTER HEALTHCARE ENTERPRISES INC</BusinessNameLine1Txt>
        </RelatedOrganizationName>
        <USAddress>
          <AddressLine1Txt>41 HIGHLAND AVE</AddressLine1Txt>
          <CityNm>WINCHESTER</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>01890</ZIPCd>
        </USAddress>
        <EIN>042932059</EIN>
        <PrimaryActivitiesTxt>MANAGEMENT SERVICES</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>MA</LegalDomicileStateCd>
        <DirectControllingNACd>N/A</DirectControllingNACd>
        <EntityTypeTxt>C</EntityTypeTxt>
        <ControlledOrganizationInd>0</ControlledOrganizationInd>
      </IdRelatedOrgTxblCorpTrGrp>
      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>WINCHESTER PHYSICIAN ASSOCIATES INC</BusinessNameLine1Txt>
        </RelatedOrganizationName>
        <USAddress>
          <AddressLine1Txt>41 HIGHLAND AVE</AddressLine1Txt>
          <CityNm>WINCHESTER</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>01890</ZIPCd>
        </USAddress>
        <EIN>043262963</EIN>
        <PrimaryActivitiesTxt>MANAGEMENT SERVICES</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>MA</LegalDomicileStateCd>
        <DirectControllingNACd>N/A</DirectControllingNACd>
        <EntityTypeTxt>C</EntityTypeTxt>
        <ControlledOrganizationInd>0</ControlledOrganizationInd>
      </IdRelatedOrgTxblCorpTrGrp>
      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>WINCHESTER PHYSICIAN HOSPITAL ORGANIZATION INC</BusinessNameLine1Txt>
        </RelatedOrganizationName>
        <USAddress>
          <AddressLine1Txt>41 HIGHLAND AVE</AddressLine1Txt>
          <CityNm>WINCHESTER</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>01890</ZIPCd>
        </USAddress>
        <EIN>472646454</EIN>
        <PrimaryActivitiesTxt>INACTIVE</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>MA</LegalDomicileStateCd>
        <DirectControllingNACd>N/A</DirectControllingNACd>
        <EntityTypeTxt>C</EntityTypeTxt>
        <ControlledOrganizationInd>0</ControlledOrganizationInd>
      </IdRelatedOrgTxblCorpTrGrp>
      <ReceiptOfIntAnntsRntsRyltsInd>0</ReceiptOfIntAnntsRntsRyltsInd>
      <GiftGrntOrCapContriToOthOrgInd>0</GiftGrntOrCapContriToOthOrgInd>
      <GiftGrntCapContriFromOthOrgInd>0</GiftGrntCapContriFromOthOrgInd>
      <LoansOrGuaranteesToOtherOrgInd>0</LoansOrGuaranteesToOtherOrgInd>
      <LoansOrGuaranteesFromOthOrgInd>0</LoansOrGuaranteesFromOthOrgInd>
      <DivRelatedOrganizationInd>0</DivRelatedOrganizationInd>
      <AssetSaleToOtherOrgInd>0</AssetSaleToOtherOrgInd>
      <AssetPurchaseFromOtherOrgInd>0</AssetPurchaseFromOtherOrgInd>
      <AssetExchangeInd>0</AssetExchangeInd>
      <RentalOfFacilitiesToOthOrgInd>0</RentalOfFacilitiesToOthOrgInd>
      <RentalOfFcltsFromOthOrgInd>0</RentalOfFcltsFromOthOrgInd>
      <PerformOfServicesForOthOrgInd>0</PerformOfServicesForOthOrgInd>
      <PerformOfServicesByOtherOrgInd>0</PerformOfServicesByOtherOrgInd>
      <SharingOfFacilitiesInd>0</SharingOfFacilitiesInd>
      <PaidEmployeesSharingInd>0</PaidEmployeesSharingInd>
      <ReimbursementPaidToOtherOrgInd>0</ReimbursementPaidToOtherOrgInd>
      <ReimbursementPaidByOtherOrgInd>0</ReimbursementPaidByOtherOrgInd>
      <TransferToOtherOrgInd>0</TransferToOtherOrgInd>
      <TransferFromOtherOrgInd>0</TransferFromOtherOrgInd>
    </IRS990ScheduleR>
  </ReturnData>
</Return>