2025-11-15T11:15:52+00:00 2024-12-31 346565596 ERNST & YOUNG US LLP ONE MANHATTAN WEST NEW YORK NY 100018604 990 2024-01-01 822536805 East 98th Street Community Services Inc EAST 6466054002 1 Gustave Levy Place 1099 New York NY 10029 STEPHEN HARVEY Officer 2025-11-15 true Laura Mayo P01962945 2127733000 2025-11-15 2024 2025-03-06 01:10:19Z STEPHEN HARVEY 150 E 42ND STREET NEW YORK NY 10017 3899489 false X N/A X 2017 NY It is the mission of the 5 East 98th Street, LLC Ambulatory Surgery Center (ASC) to provide high-quality ambulatory surgical services considerate of the specific needs of individual patients in the NY metro area. 3 0 0 0 0 0 1853214 3899489 0 0 1853214 3899489 0 0 1706550 2596581 0 0 913817 2047489 2620367 4644070 -767153 -744581 0 5572407 767153 6882902 -767153 -1310495 The mission statement for the 5 East 98th Street, LLC Ambulatory Surgery Center (ASC) emphasizes providing high-quality ambulatory surgical care that meets the specific needs of each patient. The center is committed to: (1) Maintaining a safe and efficient environment with skilled staff and quality equipment. (2) Serving the local community, including those who are uninsured or unable to pay. (3) Promoting accessibility for all, especially underserved populations, by offering culturally sensitive and affordable care. (4) Encouraging feedback to improve service and accessibility. false false 4644070 0 3899489 The ASC provides high-quality outpatient surgical care across multiple specialties including general surgery, plastic and reconstructive surgery, otolaryngology, colorectal surgery, gynecology, and pediatric surgery. The center offers a safe, efficient, and patient-centered environment where skilled physicians, nurses, and support staff deliver same-day surgical services to improve health outcomes. As of 2024 the center expanded access to essential surgical services for Medicaid patients, supporting our mission to improve healthcare accessibility for underserved populations. 4644070 true false false false false false false false false false false false false true true true false false false false false false false false false false false false false true false false false false false false false false false false false false false false true true true true false false true 0 0 0 false false false false false false false false false false false false X 3 0 false false false false true true true true true false false false true true true true true true false false false false NY X STEPHEN HARVEY 6466054002 150 E 42nd Street 9th Floor New York NY 10017 KELLY CASSANO 1 TRUSTEE 0.5 59.5 X X 0 1192847 47350 MICHAEL MARIN 1 TRUSTEE/CHAIRMAN 0.5 59.5 X X 0 2573520 44051 STEPHEN HARVEY 1 TRUSTEE/TREASURER 0.5 59.5 X X 0 1972048 85092 0 5738415 176493 0 false true false 0 0 Ambulatory Health Care Services 621000 3099275 3099275 800214 800214 0 0 3899489 0 0 0 0 0 0 0 0 0 3899489 3899489 0 0 1984713 1984713 140092 140092 275858 275858 195918 195918 117055 117055 12021 12021 0 0 721725 721725 1167069 1167069 7820 7820 Other Expenses 21799 21799 0 0 0 0 4644070 4644070 0 0 471880 0 0 0 0 0 0 0 0 0 0 0 5100527 0 5572407 0 0 767153 6882902 767153 6882902 X -767153 -1310495 -767153 -1310495 0 5572407 -744581 201239 0 X false false false X ROU LEASES 4956327 OTHER 144200 5100527 Federal Income Taxes DUE TO RELATED ORGS NET 1630326 ROU LEASES 5108376 OTHER 144200 6882902 X Schedule D, Part X, Line 2 FIN 48 (ASC 740) footnote THE SYSTEM EVALUATES TAX POSITIONS TAKEN OR EXPECTED TO BE TAKEN IN THE COURSE OF PREPARING THE SYSTEM'S TAX RETURNS TO DETERMINE WHETHER THE TAX POSITIONS ARE "MORE LIKELY THAN NOT" OF BEING SUSTAINED BY THE APPLICABLE TAX AUTHORITY BASED UPON THE TECHNICAL MERITS OF THE POSITION. THE SYSTEM RECOGNIZES THE EFFECT OF TAX POSITIONS ONLY IF THEY ARE MORE LIKELY THAN NOT OF BEING SUSTAINED. THIS EVALUATION HAD NO IMPACT ON THE OPERATIONS OF THE SYSTEM AS OF AND FOR THE YEAR ENDED DECEMBER 31, 2024. false false false false false false false false false KELLY CASSANO 1 TRUSTEE 0 850000 0 199325 0 143522 0 34500 0 12850 0 1240197 0 0 MICHAEL MARIN 1 TRUSTEE/CHAIRMAN 0 280000 0 100500 0 2193020 0 28000 0 16051 0 2617571 0 0 STEPHEN HARVEY 1 TRUSTEE/TREASURER 0 1200000 0 340025 0 432023 0 34500 0 50592 0 2057140 0 0 Schedule J, Part I, Line 3 METHODS TO ESTABLISH COMPENSATION BY RELATED ORGANIZATION THE FOLLOWING METHODS ARE USED BY A RELATED ORGANIZATION TO ESTABLISH COMPENSATION OF THE CEO/EXECUTIVE DIRECTOR/OFFICER: A COMPENSATION COMMITTEE, INDEPENDENT COMPENSATION CONSULTANT, WRITTEN EMPLOYMENT CONTRACT, COMPENSATION SURVEY OR STUDY, AND APPROVAL BY THE BOARD OR COMPENSATION COMMITTEE. SUPPLEMENTAL INFORMATION COMPENSATION FOOTNOTES: OFFICERS OF THE BOARD OF TRUSTEES HOURS REFLECT SERVICE TO ALL RELATED ORGANIZATIONS OF MOUNT SINAI HEALTH SYSTEM. OTHER REPORTABLE COMPENSATION FOR OFFICERS, KEY EMPLOYEES, AND HIGHEST COMPENSATED EMPLOYEES AS IDENTIFIED IN THE FORM 990, PART VII, AND LISTED ON SCHEDULE J MAY INCLUDE VARIOUS TYPES OF SUPPLEMENTAL WAGES. Schedule J, Part II PART VII, SECTION A COMPENSATION FOOTNOTES (1) COMPENSATION AND BENEFITS ARE FUNDED FROM THE MOUNT SINAI HOSPITAL, ICAHN SCHOOL OF MEDICINE AT MOUNT SINAI, BETH ISRAEL MEDICAL CENTER, ST. LUKE'S-ROOSEVELT HOSPITAL CENTER, AND/OR NEW YORK EYE AND EAR INFIRMARY. Form 990, Part VI, Line 6 Classes of members or stockholders THE ORGANIZATION HAS A SINGLE CORPORATE MEMBER, MOUNT SINAI HEALTH SYSTEM, INC., WHICH IS A NOT-FOR-PROFIT CORPORATION. Form 990, Part VI, Line 7a Members or stockholders electing members of governing body THE SOLE CORPORATE MEMBER ELECTS THE GOVERNING BODY OF THE ORGANIZATION. Form 990, Part VI, Line 7b Decisions requiring approval by members or stockholders THE MEMBER MUST APPROVE ANY AMENDMENTS TO THE BYLAWS OF THE ORGANIZATION. The power to authorize: (i) the amendment and restatement of the Certificate of Incorporation of the Corporation; (ii) the merger or consolidation of the Corporation with any other entity; (iii) the sale, lease, exchange, mortgage, pledge or other disposition of all or substantially all the property and assets of the Corporation; and (iv) the voluntary dissolution of the Corporation, and the plan of distribution of assets upon dissolution and the revocation of voluntary dissolution proceedings. Form 990, Part VI, Line 11b Review of form 990 by governing body THE SYSTEM FINANCE DEPARTMENT GATHERED THE RELEVANT INFORMATION AND PREPARED THE TAX RETURNS. THE TAX DEPARTMENT OF OUR INDEPENDENT ACCOUNTANTS, ERNST AND YOUNG (EY), PARTICIPATED IN THE PREPARATION OF, AND REVIEWED, ALL TAX RETURNS. A QUESTIONNAIRE WAS CIRCULATED TO ALL TRUSTEES, DIRECTORS, OFFICERS AND KEY EMPLOYEES IN ORDER TO ELICIT THE INFORMATION REQUIRED TO BE REPORTED ON THE TAX RETURNS. THE TRUSTEE CONFLICTS OF INTEREST REVIEW COMMITTEE REVIEWED THE RESPONSES PROVIDED BY TRUSTEES AND CERTAIN OFFICERS IN THE QUESTIONNAIRES AND ASSESSED ADDITIONAL PERTINENT FACTS GATHERED BY THE INSTITUTION IN ORDER TO EVALUATE THE APPLICABILITY OF IRS REPORTING REQUIREMENTS. THE REVIEWCOMMITTEE THEN DETERMINED THE APPROPRIATE TRUSTEE (AND CERTAIN OFFICER) DISCLOSURES THAT SHOULD BE MADE ON FORM 990 BASED ON THE RECOMMENDATIONS OF THE SYSTEM FINANCE DEPARTMENT, THE GENERAL COUNSEL'S OFFICE AND THE AUDIT AND COMPLIANCE DEPARTMENT. THE SAME PROCESS WAS CONDUCTED BY THE SYSTEM FINANCE DEPARTMENT, THE GENERAL COUNSEL'S OFFICE AND THE AUDIT AND COMPLIANCE DEPARTMENT WITH RESPECT TO THE QUESTIONNAIRES SUBMITTED BY OTHER OFFICERS AND KEY EMPLOYEES. THE AUDIT AND COMPLIANCE COMMITTEE OF THE BOARD OF TRUSTEES CONDUCTED A REVIEW OF THE ENTIRE TAX RETURN, WITH THE PARTICIPATION OF EY, THE SYSTEM FINANCE DEPARTMENT, THE GENERAL COUNSEL'S OFFICE, AND THE AUDIT AND COMPLIANCE DEPARTMENT. THE AUDIT COMMITTEE APPROVED THE TAX RETURNS AS PRESENTED. THE AUDIT COMMITTEE'S REPORT OF ITS REVIEW OF THE TAX RETURNS AND ITS RECOMMENDATION TO FILE THE RETURNS WERE PRESENTED TO, AND ACCEPTED BY, THE EXECUTIVE COMMITTEE OF THE BOARD OF TRUSTEES (THE "EXECUTIVE COMMITTEE"). IN ADDITION TO AUTHORIZING THE FILING OF THE TAX RETURNS, THE EXECUTIVE COMMITTEE DIRECTED THAT THE RETURNS, WHICH WILL BE FILED ON OR BEFORE NOVEMBER 17, 2025, BE PROVIDED TO ALL TRUSTEES VIA THE TRUSTEES' CONFIDENTIAL WEBSITE, AND THOSE RETURNS WERE SO PROVIDED BEFORE BEING FILED. Form 990, Part VI, Line 12c Conflict of interest policy MONITORING & ENFORCING COMPLIANCE WITH THE POLICY COMPLIANCE WITH THE ORGANIZATION'S BUSINESS CONFLICTS OF INTEREST POLICY (THE POLICY) IS REQUIRED OF TRUSTEES, EMPLOYEES, MEDICAL STAFF AND NON-EMPLOYEE MEMBERS OF INSTITUTIONAL COMMITTEES AND INCLUDES AN ONGOING DUTY TO DISCLOSE POTENTIAL CONFLICTS. COMPLIANCE WITH THE POLICY IS MONITORED AND ENFORCED REGULARLY AND CONSISTENTLY. ALL DISCLOSURES WITH THE POTENTIAL FOR CONFLICT ARE REVIEWED BY AN APPROPRIATE COMMITTEE WHERE THEY ARE CAREFULLY EVALUATED. WHEN APPROPRIATE, A PLAN, WHICH MAY INVOLVE MEASURES INCLUDING, BUT NOT LIMITED TO, RECUSAL FROM PARTICIPATING IN AFFECTED TRANSACTIONS, IS DEVELOPED TO MANAGE THE POTENTIAL CONFLICT. Form 990, Part VI, Line 19 Required documents available to the public GOVERNING DOCS AND CONFLICT OF INTEREST POLICY AVAILABLE TO THE PUBLIC. THE ORGANIZATION MAKES ITS BUSINESS CONFLICTS OF INTEREST POLICY AVAILABLE ON ITS WEBSITE (WWW.MOUNTSINAI.ORG) AND MAKES ITS GOVERNING DOCUMENTS AND FINANCIAL STATEMENTS AVAILABLE UPON REQUEST. Form 990, Part VIII, Line 2f Other Program Service Revenue - Total Revenue: 800214, Related or Exempt Function Revenue: 800214, Unrelated Business Revenue: , Revenue Excluded from Tax Under Sections 512, 513, or 514: ; 5 East 98th Street LLC 1 GUSTAVE LEVY PLACE BOX 4500 NEW YORK NY 10029 822550234 AMB SRGY CNTR NY 3899489 5572407 EAST 98TH STREET COMMUNITY SERVICES INC THE MOUNT SINAI MEDICAL CENTER INC ONE GUSTAVE L LEVY PLACE NEW YORK NY 10029 136271888 SUPPORT NY 501(c)(3) Type II MSHS false THE MOUNT SINAI HOSPITAL ONE GUSTAVE L LEVY PLACE NEW YORK NY 10029 131624096 HOSPITAL NY 501(c)(3) 3 MSHG false THE MOUNT SINAI CHILDREN'S CENTER FND ONE GUSTAVE L LEVY PLACE NEW YORK NY 10029 223059294 SUPPORT NY 501(c)(3) Type I ISMMS true MSMC REALTY CORPORATION ONE GUSTAVE L LEVY PLACE NEW YORK NY 10029 133852596 REAL ESTATE NY 501(c)(3) Type I SEE PART VII true MSMC RESIDENTIAL REALTY LLC 1425 MADISON AVENUE NEW YORK NY 10029 200244426 REAL ESTATE NY 501(c)(3) Type I SEE PART VII true MSMC RESIDENTIAL REALTY MANAGER INC ONE GUSTAVE L LEVY PLACE NEW YORK NY 10029 201289396 MGMT NY 501(c)(3) Type II SEE PART VII true VALENTIN FUSTER MT SINAI FND SCI HLTH ONE GUSTAVE L LEVY PLACE NEW YORK NY 10029 800952088 SUPPORT NY 501(c)(3) Type I ISMMS & MSH true MOUNT SINAI HEALTH SYSTEM INC ONE GUSTAVE L LEVY PLACE NEW YORK NY 10029 464248304 HOLDING CO NY 501(c)(3) Type II NA false MOUNT SINAI HOSPITALS GROUP INC ONE GUSTAVE L LEVY PLACE NEW YORK NY 10029 464242915 HOLDING CO NY 501(c)(3) Type II MSHS false ICAHN SCHOOL OF MEDICINE AT MOUNT SINAI ONE GUSTAVE L LEVY PLACE NEW YORK NY 10029 136171197 SCHOOL NY 501(c)(3) 2 MSHS false CONTINUUM HEALTH PARTNERS INC 150 EAST 42ND STREET NEW YORK NY 10017 133939476 HOLDING CO NY 501(c)(3) Type I NA false BIMC HOLDING CORPORATION FIRST AVENUE AT 16TH STREET NEW YORK NY 10003 133444730 HOLDING CO NY 501(c)(3) Type I BIMC true MOUNT SINAI AMBULATORY VENTURES INC 150 EAST 42ND STREET NEW YORK NY 10017 133838460 SURGICENTER NY 501(c)(3) 3 MSHS true BI NURSING HOME COMPANY 327 EAST 17TH STREET NEW YORK NY 10003 133627753 NURSING HOME NY 501(c)(3) 3 BIMC HOLDCO true EAST 17TH STREET PROPERTIES INC 150 EAST 42ND STREET NEW YORK NY 10017 133547502 REAL ESTATE NY 501(c)(3) 10 BIMC HOLDCO true THE LONG ISLAND COLLEGE HOSPITAL 150 EAST 42ND STREET NEW YORK NY 10017 111018985 HOSPITAL NY 501(c)(3) 3 CHP false ST LUKE'S-ROOSEVELT HOSPITAL CENTER 1111 AMSTERDAM AVENUE NEW YORK NY 10025 132997301 HOSPITAL NY 501(c)(3) 3 MSHG false AUGUSTUS & JAMES CORPORATION 150 E 42ND STREET NEW YORK NY 10017 133392851 REAL ESTATE NY 501(c)(3) Type I SLR true ST LUKE'S-ROOSEVELT INSTITUTE FOR HEALTH 1111 AMSTERDAM AVENUE NEW YORK NY 10025 132914343 RESEARCH NY 501(c)(3) 4 SLR true NEW YORK EYE AND EAR INFIRMARY 310 EAST 14TH STREET NEW YORK NY 10003 135562304 HOSPITAL NY 501(c)(3) 3 MSHG false NYEEI HOUSING COMPANY INC 317-327 EAST 13TH STREET NEW YORK NY 10003 311696826 REAL ESTATE NY 501(c)(2) NYEE true BETH ISRAEL MEDICAL CENTER FDN INC 150 EAST 42ND STREET NEW YORK NY 10017 300571387 FUNDRAISING NY 501(c)(3) 7 BIMC true ST LUKE'S-ROOSEVELT HOSPITAL CENTER FDN 150 EAST 42ND STREET NEW YORK NY 10017 300571390 FUNDRAISING NY 501(c)(3) 7 SLR true BETH ISRAEL MEDICAL CENTER FIRST AVENUE AT 16TH STREET NEW YORK NY 10003 135564934 HOSPITAL NY 501(c)(3) 3 MSHG false MOUNT SINAI HEALTH PARTNERS PC 150 EAST 42ND STREET 5TH FLR NEW YORK NY 10017 812057452 HEALTHCARE NY 501(c)(3) 10 MSH true SOUTH NASSAU COMMUNITIES HOSPITAL INC ONE HEALTHY WAY OCEANSIDE NY 11572 111352310 HOSPITAL NY 501(c)(3) 3 MSHG false MOUNT SINAI SELF INSURANCE TRUST 150 EAST 42ND STREET NEW YORK NY 10017 823994798 SUPPORT NY 501(c)(3) Type II MSHS false MITRAL FOUNDATION 1190 FIFTH AVENUE NEW YORK NY 10029 800468600 RESEARCH NY 501(c)(3) Type I ISMMS true BACHMANN-STRAUSS DYSTONIA FOUNDATION INC 150 EAST 42ND STREET NEW YORK NY 10017 133804248 FUNDRAISING NY 501(c)(3) Type II MSHS true CARE CONTINUUM VENTURES INC ONE GUSTAVE L LEVY PLACE NEW YORK NY 10029 863155355 SUPPORT NY 501(c)(3) Type II MSHS true MSS HEALTH PC 150 EAST 42ND STREET 5E-32 NEW YORK NY 10017 862530666 HEALTHCARE NJ 501(c)(3) 10 MSH true MANHATTAN MANAGEMENT SERVICES 1780 BROADWAY 7TH FL NEW YORK NY 10019 133618543 MGMT SERVICES NY SLR C Corporation false SLR MANAGEMENT SERVICES 150 EAST 42ND STREET NEW YORK NY 10017 133853145 MGMT SERVICES NY SLR C Corporation false MOUNT SINAI HC VENTURES 150 EAST 42ND STREET NEW YORK NY 10017 460953126 HEALTH CARE MGMT NY BIMC HOLDCO C Corporation false MSHS VACCINE COMPANY 1209 ORANGE STREET WILMINGTON DE 19801 874250003 CLINICAL LAB DE ISMMS C Corporation false KANTARO BIOSCIENCES LLC 1460 BROADWAY NEW YORK NY 10036 851089445 CLINICAL LAB NY ISMMS C Corporation false PROHEALTH MOUNT SINAI MSO LLC 2322 30TH AVE ASTORIA NY 111023255 844995364 MGMT SERVICES NY MS NETWORK C Corporation false false false false false false false false false false false false false false false true true true false false ICAHN SCHOOL OF MEDICINE AT MOUNT SINAI O 2596582 COST ICAHN SCHOOL OF MEDICINE AT MOUNT SINAI Q 2047489 COST ICAHN SCHOOL OF MEDICINE AT MOUNT SINAI P 3013744 COST Schedule R, Part II, Column (f) LINE 4 - MSMC REALTY CORPORATION DIRECT CONTROLLING ENTITY ICAHN SCHOOL OF MEDICINE AT MOUNT SINAI, THE MOUNT SINAI HOSPITAL AND MOUNT SINAI MEDICAL CENTER ARE ALL MEMBERS OF THIS ENTITY. Schedule R, Part II, Column (f) LINE 5 - MSMC RESIDENTIAL REALTY LLC DIRECT CONTROLLING ENTITY ICAHN SCHOOL OF MEDICINE AT MOUNT SINAI, THE MOUNT SINAI HOSPITAL, THE MSMC REALTY CORPORATION AND THE MSMC RESIDENTIAL REALTY MANAGER, INC. ARE ALL MEMBERS OF THIS ENTITY. Schedule R, Part II, Column (f) LINE 6 - MSMC RESIDENTIAL REALTY MANAGER, INC DIRECT CONTROLLING ENTITY ICAHN SCHOOL OF MEDICINE AT MOUNT SINAI, THE MOUNT SINAI HOSPITAL AND MOUNT SINAI MEDICAL CENTER ARE ALL MEMBERS OF THIS ENTITY.