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      <Form990PartVIISectionAGrp>
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        <ContractorAddress>
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      <PaidStaffOrManagementInd>0</PaidStaffOrManagementInd>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>SCHEDULE C, PART II-B, LINE 1I</FormAndLineReferenceDesc>
        <ExplanationTxt>FOR THE YEAR ENDED SEPTEMBER 30, 2022, THE ORGANIZATION PAID $72,500 IN MEMBERSHIP DUES TO THE ASSOCIATION FOR COMMUNITY AFFLIATED PLANS. 2% OR $1,450 IS ATTRIBUTABLE TO LOBBYING ACTIVITIES. THE ORGANIZATION ALSO PAID $268,279 IN MEMBERSHIP DUES TO MASSACHUSETTS ASSOCIATION OF HEALTH PLANS. $18,780 IS ATTRIBUTABLE TO LOBBYING ACTIVITIES.</ExplanationTxt>
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      <FootnoteTextInd>X</FootnoteTextInd>
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        <FormAndLineReferenceDesc>PART X, LINE 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>FOR THE FISCAL YEARS ENDED SEPTEMBER 30, 2022 AND 2021, WELLSENSE WAS INCLUDED IN THE SYSTEM'S FINANCIAL STATEMENTS. THE TEXT OF THE UNCERTAIN TAX POSITIONS FOOTNOTE INCLUDED IN THESE FINANCIAL STATEMENTS IS AS FOLLOWS: THE HEALTH SYSTEM CORPORATION, THE MEDICAL CENTER, WELLSENSE, UDF, ECMF, BUAP, FACULTY AND THE PLANS, BACO, BMCICS, AND BMCIC OF VERMONT ARE ALL NONPROFIT CORPORATIONS THAT HAVE BEEN RECOGNIZED AS TAX-EXEMPT PURSUANT TO SECTION 501(C)(3) OF THE INTERNAL REVENUE CODE. CLEARWAY IS CONSIDERED A DISREGARDED ENTITY OF THE HEALTH SYSTEM CORPORATION FOR TAX PURPOSES AND ALL TAXABLE ACTIVITIES OF CLEARWAY ARE ATTRIBUTED TO AND REPORTED AT THE HEALTH SYSTEM CORPORATION. ALL CONTRACT RELATED REVENUE AND EXPENSES WERE RECORDED AT THE MEDICAL CENTER AND EVALUATED FOR UNRELATED BUSINESS INCOME TAX (UBIT.) THE HEALTH SYSTEM RECOGNIZES TAX POSITIONS WHEN IT IS MORE-LIKELY THAN-NOT THAT THE POSITION WILL BE SUSTAINABLE BASED ON THE MERITS OF THE POSITION. MANAGEMENT HAS CONCLUDED THAT THERE ARE NO MATERIAL UNCERTAIN TAX POSITIONS THAT NEED TO BE RECORDED AS OF SEPTEMBER 30, 2022 AND 2021. THE HEALTH SYSTEM ANNUALLY ASSESSES WHETHER IT MUST RECOGNIZE UBIT. THE AMOUNTS RECOGNIZED AS UBIT EXPENSE WERE NOT MATERIAL TO THE HEALTH SYSTEM'S CONSOLIDATED OPERATIONS OR CHANGE IN NET ASSETS FOR THE YEARS ENDED SEPTEMBER 30, 2022 AND 2021.</ExplanationTxt>
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      <InterestInForeignTrustInd>0</InterestInForeignTrustInd>
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      <CompensationCommitteeInd>X</CompensationCommitteeInd>
      <IndependentConsultantInd>X</IndependentConsultantInd>
      <Form990OfOtherOrganizationsInd>X</Form990OfOtherOrganizationsInd>
      <WrittenEmploymentContractInd>X</WrittenEmploymentContractInd>
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      <BoardOrCommitteeApprovalInd>X</BoardOrCommitteeApprovalInd>
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      <SupplementalNonqualRtrPlanInd>1</SupplementalNonqualRtrPlanInd>
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      <CompBasedOnRevenueOfFlngOrgInd>0</CompBasedOnRevenueOfFlngOrgInd>
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      <CompBsdNetEarnsFlngOrgInd>1</CompBsdNetEarnsFlngOrgInd>
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        <BonusFilingOrganizationAmount>23365</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>14898</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>1363</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>252729</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I, LINE 1A</FormAndLineReferenceDesc>
        <ExplanationTxt>WELLSENSE PROVIDED PRESIDENT THILTGEN WITH A HOUSING ALLOWANCE OF $60,000 WHICH IS REPORTED AS TAXABLE COMPENSATION ON SCHEDULE J, PART II, COLUMN (B)(III).</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I, LINE 1B</FormAndLineReferenceDesc>
        <ExplanationTxt>THE PRESIDENT OF WELLSENSE WAS PROVIDED A HOUSING STIPEND UPON HIRE TO ALLOW FOR RENTAL OF A RESIDENCE NEAR THE WELLSENSE'S CORPORATE HEADQUARTERS UNTIL SHE COULD OFFICIALLY RELOCATE. WITH THE DECLARATION OF A NATIONAL HEALTH EMERGENCY DUE TO A NOVEL STRAIN OF CORONAVIRUS (COVID-19) AND THE PLAN MOVING TO A VIRTUAL WORK ENVIRONMENT, THE RELOCATION EFFORT CEASED AND IT WAS DECIDED TO CONTINUE THE HOUSING STIPEND TO ALLOW FOR TRAVEL AND HOUSING AS IT RELATES TO LOCAL MEETINGS WITH SYSTEM AND PLAN PERSONNEL. THIS PLAN WAS DEVELOPED AND APPROVED BY THE SENIOR VICE PRESIDENT &amp; CHIEF HUMAN RESOURCE OFFICER AS WELL AS THE EVP AND COO OF BOSTON MEDICAL CENTER.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I, LINES 4A-B</FormAndLineReferenceDesc>
        <ExplanationTxt>LINE 4A THE AMOUNT OF SEVERANCE COMPENSATION PAID TO LYNN BOWMAN IS $303,269, WHICH IS REPORTED ON SCHEDULE J, PART II, COLUMN B(III). LINE 4B WELLSENSE PROVIDES A SUPPLEMENTAL EXECUTIVE RETIREMENT PLAN TO CERTAIN EXECUTIVES. AMOUNTS ARE CREDITED TO PARTICIPANTS' ACCOUNTS EACH YEAR. PLAN AMOUNTS ARE SUBJECT TO FORFEITURE AND PAYMENT ONLY IF CERTAIN CONDITIONS ARE MET, AS OUTLINED IN WELLSENSE'S AGREEMENT. AMOUNTS VEST ON SPECIFIED DATES BASED ON CONTINUED EMPLOYMENT BUT NO LATER THAN THE EXECUTIVE'S SIXTY-SECOND BIRTHDAY. AMOUNTS ACCRUED IN WELLSENSE ARE REPORTED IN SCHEDULE J, PART II, COLUMN C.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I, LINE 6</FormAndLineReferenceDesc>
        <ExplanationTxt>WELLSENSE PAID COMPENSATION CONTINGENT OF THE NET EARNINGS OF THE ORGANIZATION BASED ON THE ACHIEVEMENT OF VARIOUS GOALS. THESE COMPENSATION AMOUNTS ARE REFLECTED IN SCHEDULE J, PART II, COLUMN B(II).</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I, LINE 7</FormAndLineReferenceDesc>
        <ExplanationTxt>DURING CALENDAR YEAR 2021, WELLSENSE PAID SIGN-ON BONUSES, RETENTION BONUSES, AND OTHER BONUSES TO SOME EMPLOYEES LISTED WHERE DISCRETION WAS EXERCISED BY MANAGEMENT.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>SCHEDULE J, PART II</FormAndLineReferenceDesc>
        <ExplanationTxt>ELLEN WEINSTEIN, CLO AND CLERK OF WELLSENSE, WAS COMPENSATED BY BOSTON MEDICAL CENTER CORPORATION, AN UNRELATED ORGANIZATION, FOR SERVICES PROVIDED TO WELLSENSE. APPROXIMATELY 85% OF ELLEN WEINSTEIN'S TIME AND COMPENSATION WAS RELATED TO THE SERVICES PROVIDED TO WELLSENSE. ELLEN WEINSTEIN'S TOTAL REPORTABLE COMPENSATION, RETIREMENT/DEFERRED COMPENSATION, AND NONTAXABLE BENEFITS FOR 2021 WAS $278,198, $17,527, AND $1,604, RESPECTIVELY.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleJ>
    <IRS990ScheduleO documentId="RetDoc1044400001">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 2</FormAndLineReferenceDesc>
        <ExplanationTxt>ALASTAIR BELL KATHLEEN WALSH BUSINESS RELATIONSHIP - THE OFFICERS AND/OR TRUSTEES ABOVE ARE ALSO EMPLOYEES, OFFICERS AND/OR TRUSTEES OF BOSTON MEDICAL CENTER. ROBERT SWEET KATHLEEN WALSH BUSINESS RELATIONSHIP THE OFFICERS AND/OR TRUSTEES ABOVE ARE ALSO TRUSTEES OF BOSTON MEDICAL CENTER INSURANCE COMPANY, LTD.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 6</FormAndLineReferenceDesc>
        <ExplanationTxt>BMC HEALTH SYSTEM, INC. IS THE SOLE MEMBER OF WELLSENSE.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 7B</FormAndLineReferenceDesc>
        <ExplanationTxt>CERTAIN ACTIONS INCLUDING, BUT NOT LIMITED TO, THE APPROVAL OF BUDGETS, MERGERS, ACQUISITIONS, AND INDEBTEDNESS ARE SUBJECT TO THE APPROVAL OF THE SOLE MEMBER.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>WELLSENSE'S TAX RETURN IS PREPARED BY KPMG LLP AND REVIEWED BY WELLSENSE'S INTERNAL MANAGEMENT. FOLLOWING THAT REVIEW, WELLSENSE'S INTERNAL MANAGEMENT AND KPMG PRESENT THE FORM 990 TO THE AUDIT COMMITTEE FOR REVIEW AND COMMENT. THE COMPLETED FORM 990 IS PROVIDED TO ALL MEMBERS OF THE BOARD OF TRUSTEES PRIOR TO THE FORM BEING FILED WITH THE IRS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>CONFLICT OF INTEREST QUESTIONNAIRES FOR THE FISCAL YEAR END SEPTEMBER 30, 2022 WERE DISTRIBUTED BY BOSTON MEDICAL CENTER'S ("BMC"), AN AFFILIATED ORGANIZATION, CORPORATE COMPLIANCE DEPARTMENT. THE CHIEF COMPLIANCE OFFICER OF BMC OR THE CHIEF COMPLIANCE OFFICER'S DESIGNEE QUERIES TRUSTEES, OFFICERS AND DIRECTORS ON AT LEAST AN ANNUAL BASIS REGARDING RELATIONSHIPS THAT MAY CREATE POTENTIAL CONFLICTS OF INTEREST. THE CHIEF COMPLIANCE OFFICER OR THE CHIEF COMPLIANCE OFFICER'S DESIGNEE REVIEWS ALL DISCLOSURES AND DETERMINES WHETHER THERE ARE ACTUAL OR POTENTIAL CONFLICTS OF INTEREST. THE CHIEF COMPLIANCE OFFICER OR THE CHIEF COMPLIANCE OFFICER'S DESIGNEE INFORMS THE CHIEF LEGAL COUNSEL OF ANY ACTUAL OR POTENTIAL CONFLICTS OF INTEREST. THE CHIEF LEGAL COUNSEL ADVISES THE BOARD OF DIRECTORS AND OFFICERS OF THE CORPORATION ACCORDINGLY.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 15</FormAndLineReferenceDesc>
        <ExplanationTxt>BOSTON MEDICAL CENTER HEALTH SYSTEM IS A SUPPORTING ORGANIZATION OF BOTH BOSTON MEDICAL CENTER AND WELLSENSE HEALTH PLAN. ALL THREE ENTITIES HAVE THE SAME INDEPENDENT COMPENSATION COMMITTEE, FORMED OF INDIVIDUALS WHOSE COMPENSATION IS NOT IN ISSUE, THAT ESTABLISHES THE COMPENSATION OF THE PRESIDENT AND CEO AND APPROVES THE COMPENSATION OF SENIOR MANAGEMENT. THE COMMITTEE MEMBERS ARE NOT UNDER THE CONTROL OR DIRECTION OF ANY HEALTH SYSTEM, MEDICAL CENTER, OR HEALTH PLAN EXECUTIVE SEEKING COMPENSATION. THE INDIVIDUAL COMPENSATION PLANS ARE SUPPORTED BY COMPARABLE DATA, WHICH INCLUDES COMPENSATION PAID FOR COMPARABLE POSITIONS BY SIMILARLY SITUATED ORGANIZATIONS (BOTH TAXABLE AND TAX-EXEMPT), INDEPENDENTLY COMPILED COMPENSATION SURVEYS, AND ACTUAL WRITTEN OFFERS FROM SIMILAR INSTITUTIONS COMPETING FOR THE SERVICES OF THE HEALTH SYSTEM, MEDICAL CENTER, OR HEALTH PLAN EXECUTIVE. THE COMMITTEE MAY ALSO UTILIZE AN INDEPENDENT COMPENSATION CONSULTANT AS PART OF THE COMPENSATION-SETTING PROCESS. THE INDEPENDENT COMMITTEE'S ASSESSMENTS OF THESE CONSIDERATIONS ARE CONTAINED IN THE MINUTES OF THE COMMITTEE MEETINGS. THE REVIEW PROCESS INCLUDES, AND THE MINUTES INDICATE, DISCUSSIONS AND EVALUATIONS OF EACH EXECUTIVE'S PRIOR PERFORMANCE, QUALIFICATIONS, AND EXPERIENCE. THE EXECUTIVES ARE NOT PRESENT FOR THE INDEPENDENT COMMITTEE'S DISCUSSIONS OR THE COMMITTEE'S VOTE ON COMPENSATION. THE MINUTES REFLECT THE FACT THAT NO EXECUTIVE WAS PRESENT.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>OTHER THAN AS REQUIRED BY LAW, WELLSENSE DOES NOT MAKE DOCUMENTS PUBLICLY AVAILABLE. HOWEVER, THE RESTATED ARTICLES OF THE ORGANIZATION ARE POSTED ON THE SECRETARY OF THE COMMONWEALTH'S WEBSITE.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
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        <DisregardedEntityName>
          <BusinessNameLine1Txt>BMC HEALTH SYSTEM INC</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>ONE BOSTON MEDICAL CENTER PLACE</AddressLine1Txt>
          <CityNm>BOSTON</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>02118</ZIPCd>
        </USAddress>
        <EIN>463556853</EIN>
        <PrimaryActivitiesTxt>SUPPORT SERVICES</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>MA</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501(C)(3)</ExemptCodeSectionTxt>
        <PublicCharityStatusTxt>LINE 12B, II</PublicCharityStatusTxt>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>BMC</BusinessNameLine1Txt>
        </DirectControllingEntityName>
        <ControlledOrganizationInd>1</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <ReceiptOfIntAnntsRntsRyltsInd>0</ReceiptOfIntAnntsRntsRyltsInd>
      <GiftGrntOrCapContriToOthOrgInd>0</GiftGrntOrCapContriToOthOrgInd>
      <GiftGrntCapContriFromOthOrgInd>0</GiftGrntCapContriFromOthOrgInd>
      <LoansOrGuaranteesToOtherOrgInd>0</LoansOrGuaranteesToOtherOrgInd>
      <LoansOrGuaranteesFromOthOrgInd>1</LoansOrGuaranteesFromOthOrgInd>
      <DivRelatedOrganizationInd>0</DivRelatedOrganizationInd>
      <AssetSaleToOtherOrgInd>0</AssetSaleToOtherOrgInd>
      <AssetPurchaseFromOtherOrgInd>0</AssetPurchaseFromOtherOrgInd>
      <AssetExchangeInd>0</AssetExchangeInd>
      <RentalOfFacilitiesToOthOrgInd>0</RentalOfFacilitiesToOthOrgInd>
      <RentalOfFcltsFromOthOrgInd>0</RentalOfFcltsFromOthOrgInd>
      <PerformOfServicesForOthOrgInd>0</PerformOfServicesForOthOrgInd>
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      <ReimbursementPaidToOtherOrgInd>1</ReimbursementPaidToOtherOrgInd>
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</Return>
