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        <NontaxableBenefitsFilingOrgAmt>2205</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>150533</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Schedule J, Part II, Column (B)(ii) BONUS AND INCENTIVE COMPENSATION</FormAndLineReferenceDesc>
        <ExplanationTxt>THE AMOUNTS REPRESENT INCENTIVE COMPENSATION PAYMENTS MADE IN CALENDAR YEAR 2018. PAYMENTS INCLUDE AMOUNTS EARNED IN 2017 AND DEFERRED, WHERE APPLICABLE.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Schedule J, Part I, Line 3 Arrangement used to establish the top management official's compensation</FormAndLineReferenceDesc>
        <ExplanationTxt>MIDDLESEX HEALTH SYSTEM OFFICER SALARIES AND BENEFITS ARE PAID BY MIDDLESEX HOSPITAL. The hospital uses a compensation committee, independent compensation consultant, other Form 990 as comparable data, a compensation survey and approval by the board when approving compensation for the CEO.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleJ>
    <IRS990ScheduleO documentId="IRS990ScheduleO" softwareId="18007697" softwareVersionNum="2018v3.1">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Line 11b Review of form 990 by governing body</FormAndLineReferenceDesc>
        <ExplanationTxt>DRAFT FORMS OF THE 990, INCLUDING REQUIRED SCHEDULES, ARE PROVIDED TO EACH BOARD MEMBER FOR REVIEW. MEMBERS REVIEW THE DOCUMENTS, HIGHLIGHT ANY SIGNIFICANT CHANGES AND ATTEST THEIR APPROVAL. ANY QUESTIONS OR COMMENTS ARE PRESENTED TO EXECUTIVE MANAGEMENT PRIOR TO FILING. A COPY OF THE FINAL FORM 990 WILL BE PROVIDED TO THE BOARD PRIOR TO FILING WITH THE IRS VIA A WEB BASED COMMUNICATION PORTAL.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Line 12c Conflict of interest policy</FormAndLineReferenceDesc>
        <ExplanationTxt>CONFLICT OF INTEREST FORMS ARE DISTRIBUTED ANNUALLY TO KEY EMPLOYEES, OFFICERS AND THE BOARD OF DIRECTORS. RESPONSES ARE RETURNED TO, TRACKED, AND REVIEWED BY THE COMPLIANCE OFFICER. INFORMATION REPORTED IS CONSIDERED PERSONAL AND CONFIDENTIAL AND ONLY DISCLOSED WHEN DEEMED NECESSARY TO PROTECT THE HOSPITAL AGAINST THE EFFECTS OF CONFLICTS OF INTEREST AND ONLY AFTER ADVISING THE REPORTING PERSON OF THE PROPOSED DISCLOSURE AND OF ITS EXTENT. MATERIAL CONFLICTS ARE REPORTED TO THE BOARD'S AUDIT COMMITTEE FOR REVIEW AND DETERMINATION. IN ADDITION TO COMPLETING THE ANNUAL CONFLICT OF INTEREST FORM, BOARD MEMBERS MUST IMMEDIATELY DISCLOSE ANY INTEREST AND ALL MATERIAL FACTS TO THE BOARD OF DIRECTORS. THE BOARD THEN REVIEWS THE FACTS AND MAKES THE DETERMINATION AS TO WHETHER A SIGNIFICANT CONFLICT OF INTEREST EXISTS. IF SO, THE BOARD FOLLOWS DISABLING GUIDELINES TO DETERMINE IF THE BOARD MEMBER SHOULD BE ASKED TO RESIGN OR BE REMOVED.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Line 15b Process to establish compensation of other employees</FormAndLineReferenceDesc>
        <ExplanationTxt>MIDDLESEX HEALTH SYSTEM'S OFFICER SALARIES AND BENEFITS ARE PAID BY MIDDLESEX HOSPITAL. OFFICER SALARIES ARE DETERMINED UNDER THE COMPENSATION POLICIES OF MIDDLESEX HOSPITAL WHICH INCLUDE THE FOLLOWING: EXECUTIVE TEAM COMPENSATION IS REVIEWED ANNUALLY BY THE EXECUTIVE COMPENSATION COMMITTEE OF THE BOARD. THE COMMITTEE HAS A CHARTER AND A POLICY STATEMENT SETTING FORTH A PROCESS AND CERTAIN GUIDELINES FOR DETERMINING COMPENSATION. EXECUTIVES RECEIVE A BASE SALARY AND HAVE THE OPPORTUNITY FOR INCENTIVE COMPENSATION WITHIN A RANGE SET BY THE POLICY. FOLLOWING THE CLOSE OF EACH FISCAL YEAR, THE COMMITTEE RECEIVES A MARKET ANALYSIS FROM INDEPENDENT CONSULTANTS REGARDING COMPENSATION AT PEER GROUPS OF COMPARABLE HOSPITALS AND HEALTH SYSTEMS. POSITIONS WITHIN THE EXECUTIVE TEAM ARE COMPARED TO BENCHMARK POSITIONS WITHIN THIS MARKET DATA AND THEIR COMPENSATION IS COMPARED TO THE DATA BOTH WITH RESPECT TO CASH COMPENSATION AND TOTAL COMPENSATION INCLUDING FRINGE BENEFITS. THE CEO RECOMMENDS THE INCENTIVE AWARDS AND BASE SALARY ADJUSTMENTS TO THE COMPENSATION OF THE EXECUTIVES WHO REPORT TO HIM, AND THE COMMITTEE REVIEWS THOSE RECOMMENDATIONS, APPROVES OR MODIFIES THEM, AND ALSO DETERMINES ANY INCENTIVE AWARD AND BASE SALARY ADJUSTMENT FOR THE CEO. THE CONSULTANTS PROVIDE A WRITTEN OPINION ANNUALLY CONFIRMING THAT THE COMPENSATION OF THE EXECUTIVES, AS ADJUSTED BY THIS PROCESS, IS "REASONABLE" WITHIN APPLICABLE IRS GUIDELINES. KEY EMPLOYEE COMPENSATION IS SET FOLLOWING THE GUIDELINES SET FORTH IN THE HOSPITAL COMPENSATION POLICY. THE OBJECTIVE OF THIS POLICY IS TO PAY EMPLOYEES BASED UPON HOSPITAL NEED, THE PROPER EXTERNAL LABOR MARKET AND PERFORMANCE. THE LAST COMPENSATION REVIEW OCCURRED IN DECEMBER 2018.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Line 19 Required documents available to the public</FormAndLineReferenceDesc>
        <ExplanationTxt>THE MIDDLESEX HEALTH SYSTEM, INC. MAINTAINS A QUALITY AND COMPLIANCE SECTION ON THE HOSPITAL'S WEBSITE, MIDDLESEXHOSPITAL.ORG. THE SYSTEM POSTS THE MOST CURRENT AUDITED FINANCIAL STATEMENTS AND FORM 990 WITH THOSE OF THE HOSPITAL AND OTHER AFFILIATES AS THEY BECOME AVAILABLE, AS WELL AS STATEMENTS AND FORMS FROM AT LEAST TWO PREVIOUS FISCAL YEARS. THE SYSTEM'S CONFLICT OF INTEREST POLICY IS ALSO POSTED ON THE WEBSITE IN THE VENDORS AND SUPPLIERS SECTION. IN ADDITION, THE ORGANIZATION'S FORM 990 IS AVAILABLE AT WWW.GUIDESTAR.ORG AND UPON REQUEST.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part IX, Line 11g Other Fees</FormAndLineReferenceDesc>
        <ExplanationTxt>Mayo clinic consulting - Total Expense: 614592, Program Service Expense: 614592, Management and General Expenses: , Fundraising Expenses: ; purchased svs - Total Expense: 163783, Program Service Expense: 163783, Management and General Expenses: , Fundraising Expenses: ;</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part XI, Line 9 Other changes in net assets or fund balances</FormAndLineReferenceDesc>
        <ExplanationTxt>TRANSFER (TO) / FROM MIDDLESEX HOSPITAL - 614592;</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
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          <BusinessNameLine1Txt>MIDDLESEX HOSPITAL FOUNDATION INC</BusinessNameLine1Txt>
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          <AddressLine1Txt>28 CRESCENT STREET</AddressLine1Txt>
          <CityNm>MIDDLETOWN</CityNm>
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          <ZIPCd>06457</ZIPCd>
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        <LegalDomicileStateCd>CT</LegalDomicileStateCd>
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          <BusinessNameLine1Txt>MIDDLESEX HOSPITAL</BusinessNameLine1Txt>
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        <EIN>060646718</EIN>
        <PrimaryActivitiesTxt>HEALTHCARE</PrimaryActivitiesTxt>
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          <BusinessNameLine1Txt>MIDDLESEX HEALTH SERVICES INC</BusinessNameLine1Txt>
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          <AddressLine1Txt>28 CRESCENT STREET</AddressLine1Txt>
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        <PrimaryActivitiesTxt>ASSISTED LIVING</PrimaryActivitiesTxt>
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        <PublicCharityStatusTxt>10</PublicCharityStatusTxt>
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          <BusinessNameLine1Txt>MHS PRIMARY CARE INC</BusinessNameLine1Txt>
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          <AddressLine1Txt>28 Crescent Street</AddressLine1Txt>
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      <IdRelatedOrgTxblCorpTrGrp>
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          <BusinessNameLine1Txt>MIDDLESEX HEALTH RESOURCES INC</BusinessNameLine1Txt>
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          <StateAbbreviationCd>CT</StateAbbreviationCd>
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        <EIN>061089925</EIN>
        <PrimaryActivitiesTxt>RENTAL REAL ESTATE</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>CT</LegalDomicileStateCd>
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        <EntityTypeTxt>C Corporation</EntityTypeTxt>
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        <ShareOfEOYAssetsAmt>3015338</ShareOfEOYAssetsAmt>
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        <RelatedOrganizationName>
          <BusinessNameLine1Txt>INTEGRATED RESOURCES FOR MIDDLESEX AREA LLC</BusinessNameLine1Txt>
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        <EIN>061462230</EIN>
        <PrimaryActivitiesTxt>OUTPATIENT CARE</PrimaryActivitiesTxt>
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        <ShareOfTotalIncomeAmt>0</ShareOfTotalIncomeAmt>
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      <ReceiptOfIntAnntsRntsRyltsInd>false</ReceiptOfIntAnntsRntsRyltsInd>
      <GiftGrntOrCapContriToOthOrgInd>true</GiftGrntOrCapContriToOthOrgInd>
      <GiftGrntCapContriFromOthOrgInd>false</GiftGrntCapContriFromOthOrgInd>
      <LoansOrGuaranteesToOtherOrgInd>false</LoansOrGuaranteesToOtherOrgInd>
      <LoansOrGuaranteesFromOthOrgInd>false</LoansOrGuaranteesFromOthOrgInd>
      <DivRelatedOrganizationInd>false</DivRelatedOrganizationInd>
      <AssetSaleToOtherOrgInd>false</AssetSaleToOtherOrgInd>
      <AssetPurchaseFromOtherOrgInd>false</AssetPurchaseFromOtherOrgInd>
      <AssetExchangeInd>false</AssetExchangeInd>
      <RentalOfFacilitiesToOthOrgInd>false</RentalOfFacilitiesToOthOrgInd>
      <RentalOfFcltsFromOthOrgInd>false</RentalOfFcltsFromOthOrgInd>
      <PerformOfServicesForOthOrgInd>false</PerformOfServicesForOthOrgInd>
      <PerformOfServicesByOtherOrgInd>false</PerformOfServicesByOtherOrgInd>
      <SharingOfFacilitiesInd>false</SharingOfFacilitiesInd>
      <PaidEmployeesSharingInd>false</PaidEmployeesSharingInd>
      <ReimbursementPaidToOtherOrgInd>false</ReimbursementPaidToOtherOrgInd>
      <ReimbursementPaidByOtherOrgInd>true</ReimbursementPaidByOtherOrgInd>
      <TransferToOtherOrgInd>false</TransferToOtherOrgInd>
      <TransferFromOtherOrgInd>false</TransferFromOtherOrgInd>
      <TransactionsRelatedOrgGrp>
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          <BusinessNameLine1Txt>Middlesex Hospital</BusinessNameLine1Txt>
        </OtherOrganizationName>
        <TransactionTypeTxt>Q</TransactionTypeTxt>
        <InvolvedAmt>614591</InvolvedAmt>
      </TransactionsRelatedOrgGrp>
      <TransactionsRelatedOrgGrp>
        <OtherOrganizationName>
          <BusinessNameLine1Txt>MHS Primary Care Inc</BusinessNameLine1Txt>
        </OtherOrganizationName>
        <TransactionTypeTxt>B</TransactionTypeTxt>
        <InvolvedAmt>10084000</InvolvedAmt>
      </TransactionsRelatedOrgGrp>
    </IRS990ScheduleR>
  </ReturnData>
</Return>