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        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>VANESSA GRAHAM</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
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        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>MARK DEARMAN</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
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        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>REBECCA NELSON</PersonNm>
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        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>MATT MULLINS</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
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        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
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        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>TODD D STEVENS</PersonNm>
        <TitleTxt>CHIEF STRATEGY OFFICER</TitleTxt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>DANA NEUCERE</PersonNm>
        <TitleTxt>CFO/VP OF FINANCE</TitleTxt>
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        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>JOCELYN AUSTIN-DUFFIN</PersonNm>
        <TitleTxt>VP OF CANCER SUPPORT &amp; OUT</TitleTxt>
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        <AverageHoursPerWeekRltdOrgRt>1.00</AverageHoursPerWeekRltdOrgRt>
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      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>DANIELLE MACK</PersonNm>
        <TitleTxt>VP OF DEVELOPMENT</TitleTxt>
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        <AverageHoursPerWeekRltdOrgRt>41.00</AverageHoursPerWeekRltdOrgRt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>DIVYANG MEHTA MD</PersonNm>
        <TitleTxt>RADIATION ONCOLOGIST</TitleTxt>
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        <AverageHoursPerWeekRltdOrgRt>1.00</AverageHoursPerWeekRltdOrgRt>
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      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>VICTOR LIN</PersonNm>
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        <OtherCompensationAmt>28068</OtherCompensationAmt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>SOTIRIOS STATHAKIS</PersonNm>
        <TitleTxt>CHIEF, CLINICAL PHYSICS</TitleTxt>
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        <AverageHoursPerWeekRltdOrgRt>1.00</AverageHoursPerWeekRltdOrgRt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>ANDRE BONNECAZE</PersonNm>
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        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
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      <TotReportableCompRltdOrgAmt>0</TotReportableCompRltdOrgAmt>
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      <IndivRcvdGreaterThan100KCnt>42</IndivRcvdGreaterThan100KCnt>
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      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>HEMATOLOGY ONCOLOGY ASSOCIATES</BusinessNameLine1Txt>
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        <ContractorAddress>
          <USAddress>
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      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
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        <ContractorAddress>
          <USAddress>
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          </USAddress>
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      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>NORTHSHORE ONCOLOGY ASSOCIATES</BusinessNameLine1Txt>
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        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>PO BOX 4810</AddressLine1Txt>
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            <StateAbbreviationCd>LA</StateAbbreviationCd>
            <ZIPCd>70434</ZIPCd>
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      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>ONEONCOLOGY</BusinessNameLine1Txt>
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        <ContractorAddress>
          <USAddress>
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            <CityNm>NASHVILLE</CityNm>
            <StateAbbreviationCd>TN</StateAbbreviationCd>
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      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>CAFFEY INC</BusinessNameLine1Txt>
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        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>3018 BIG RIDGE RD</AddressLine1Txt>
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            <ZIPCd>39540</ZIPCd>
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        </ContractorAddress>
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      <ProgramServiceRevenueGrp>
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        <BusinessCd>624110</BusinessCd>
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        <RelatedOrExemptFuncIncomeAmt>189465100</RelatedOrExemptFuncIncomeAmt>
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      <ProgramServiceRevenueGrp>
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        <ExclusionAmt>920880</ExclusionAmt>
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      <NetRentalIncomeOrLossGrp>
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        <RelatedOrExemptFuncIncomeAmt>6719990</RelatedOrExemptFuncIncomeAmt>
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        <ExclusionAmt>87434</ExclusionAmt>
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        <BusinessCd>624100</BusinessCd>
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      <OtherRevenueMiscGrp>
        <Desc>OTHER REVENUE</Desc>
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      <OtherRevenueMiscGrp>
        <Desc>EARNINGS FROM RELATED ENTITIES</Desc>
        <BusinessCd>624100</BusinessCd>
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        <RelatedOrExemptFuncIncomeAmt>715479</RelatedOrExemptFuncIncomeAmt>
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        <ManagementAndGeneralAmt>1501588</ManagementAndGeneralAmt>
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        <ProgramServicesAmt>319230</ProgramServicesAmt>
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        <ProgramServicesAmt>2815378</ProgramServicesAmt>
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        <ProgramServicesAmt>882403</ProgramServicesAmt>
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        <ProgramServicesAmt>247361</ProgramServicesAmt>
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        <ManagementAndGeneralAmt>603415</ManagementAndGeneralAmt>
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        <ProgramServicesAmt>118208177</ProgramServicesAmt>
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        <EOYAmt>5389105</EOYAmt>
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        <EOYAmt>84054790</EOYAmt>
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        <EOYAmt>141086814</EOYAmt>
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        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 18</FormAndLineReferenceDesc>
        <ExplanationTxt>DOCUMENTS ARE MADE AVAILABLE TO THE PUBLIC UPON REQUEST.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>DOCUMENTS ARE MADE AVAILABLE TO THE PUBLIC UPON REQUEST.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART VII: OFFICER COMPENSATION</FormAndLineReferenceDesc>
        <ExplanationTxt>PLEASE NOTE THAT DANA NEUCERE BECAME AN EMPLOYEE OF ONEONCOLOGY EFFECTIVE JANUARY 1, 2023 AND IS LEASED BACK TO MARY BIRD PERKINS CANCER CENTER. SHE WAS NOT ISSUED A W-2 OR DIRECTLY PAID BY MARY BIRD PERKINS CANCER CENTER.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART IX, LINE 11G</FormAndLineReferenceDesc>
        <ExplanationTxt>PROFESSIONAL FEES: PROGRAM SERVICE EXPENSES 24,809,916. MANAGEMENT AND GENERAL EXPENSES 8,963,840. FUNDRAISING EXPENSES 0. TOTAL EXPENSES 33,773,756.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART XII, LINE 2C:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE PROCESS HAS NOT CHANGED FROM THE PREVIOUS YEAR.</ExplanationTxt>
      </SupplementalInformationDetail>
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        <MethodOfAmountDeterminationTxt>FAIR MARKET VALUE</MethodOfAmountDeterminationTxt>
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