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      <Desc>In Fiscal Year 2017 the East Boston Neighborhood Health Center Corp.continued it's mission to provide easily accessible, personalized, high quality,affordable care that is sensitive to the needs of each individual who lives or works in the East Boston Community regardless of the ability to pay.The Center had 323,281 patient visits during the year ending September 30,2017.</Desc>
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        <PersonNm>Laura Wagner</PersonNm>
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      </OtherAssetsOrgGrp>
      <OtherAssetsOrgGrp>
        <Desc>East Boston Temp Restricted</Desc>
      </OtherAssetsOrgGrp>
      <OtherAssetsOrgGrp>
        <Desc>ESP Cash Reserve</Desc>
        <BookValueAmt>111890</BookValueAmt>
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      <OtherAssetsOrgGrp>
        <Desc>Investment in TMS</Desc>
        <BookValueAmt>-1405165</BookValueAmt>
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      <OtherAssetsOrgGrp>
        <Desc>N/R Invest. Fund</Desc>
        <BookValueAmt>15990392</BookValueAmt>
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        <Desc>N/R LSLP</Desc>
        <BookValueAmt>103238</BookValueAmt>
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      <OtherAssetsOrgGrp>
        <Desc>N/R LSLP</Desc>
        <BookValueAmt>2495776</BookValueAmt>
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      <OtherAssetsOrgGrp>
        <Desc>N/R Lyman School</Desc>
        <BookValueAmt>450000</BookValueAmt>
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      <OtherAssetsOrgGrp>
        <Desc>res</Desc>
      </OtherAssetsOrgGrp>
      <TotalBookValueOtherAssetsAmt>19390938</TotalBookValueOtherAssetsAmt>
      <OtherLiabilitiesOrgGrp>
        <Desc>Deferred Revenue</Desc>
        <Amt>20004940</Amt>
      </OtherLiabilitiesOrgGrp>
      <OtherLiabilitiesOrgGrp>
        <Desc>Due to Related Party (TMS)</Desc>
        <Amt>104524</Amt>
      </OtherLiabilitiesOrgGrp>
      <OtherLiabilitiesOrgGrp>
        <Desc>General Reserve</Desc>
        <Amt>726991</Amt>
      </OtherLiabilitiesOrgGrp>
      <OtherLiabilitiesOrgGrp>
        <Desc>Interest Rate Swap</Desc>
        <Amt>277177</Amt>
      </OtherLiabilitiesOrgGrp>
      <OtherLiabilitiesOrgGrp>
        <Desc>Post Retirement Benefit</Desc>
        <Amt>815261</Amt>
      </OtherLiabilitiesOrgGrp>
      <TotalLiabilityAmt>21928893</TotalLiabilityAmt>
    </IRS990ScheduleD>
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      <MailSolicitationsInd>X</MailSolicitationsInd>
      <EmailSolicitationsInd>X</EmailSolicitationsInd>
      <PhoneSolicitationsInd>X</PhoneSolicitationsInd>
      <AgrmtProfFundraisingActyInd>true</AgrmtProfFundraisingActyInd>
      <LicensedStatesCd>MA</LicensedStatesCd>
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        <Event1Nm>Art of Health Care</Event1Nm>
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        <GrossReceiptsTotalAmt>310579</GrossReceiptsTotalAmt>
        <GrossRevenueTotalEventsAmt>310579</GrossRevenueTotalEventsAmt>
        <NetIncomeSummaryAmt>310579</NetIncomeSummaryAmt>
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      <CompensationCommitteeInd>X</CompensationCommitteeInd>
      <IndependentConsultantInd>X</IndependentConsultantInd>
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      <WrittenEmploymentContractInd>X</WrittenEmploymentContractInd>
      <CompensationSurveyInd>X</CompensationSurveyInd>
      <BoardOrCommitteeApprovalInd>X</BoardOrCommitteeApprovalInd>
      <SeverancePaymentInd>false</SeverancePaymentInd>
      <SupplementalNonqualRtrPlanInd>false</SupplementalNonqualRtrPlanInd>
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      <InitialContractExceptionInd>false</InitialContractExceptionInd>
      <RebuttablePresumptionProcInd>false</RebuttablePresumptionProcInd>
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        <PersonNm>Dr Catherine Silva</PersonNm>
        <TitleTxt>Physician</TitleTxt>
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        <TotalCompensationFilingOrgAmt>255357</TotalCompensationFilingOrgAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Dr Irving S Danesh</PersonNm>
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        <PersonNm>Dr Jackie Fantes</PersonNm>
        <TitleTxt>CMO</TitleTxt>
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        <DeferredCompensationFlngOrgAmt>6890</DeferredCompensationFlngOrgAmt>
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        <PersonNm>Dr James Pedulla</PersonNm>
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      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Dr Jeffrey Shapiro</PersonNm>
        <TitleTxt>Physician</TitleTxt>
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      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>James Hazard</PersonNm>
        <TitleTxt>CFO</TitleTxt>
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        <DeferredCompensationFlngOrgAmt>6656</DeferredCompensationFlngOrgAmt>
        <NontaxableBenefitsFilingOrgAmt>19471</NontaxableBenefitsFilingOrgAmt>
        <TotalCompensationFilingOrgAmt>281849</TotalCompensationFilingOrgAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Laura Wagner</PersonNm>
        <TitleTxt>VP PACE Program</TitleTxt>
        <BaseCompensationFilingOrgAmt>221453</BaseCompensationFilingOrgAmt>
        <DeferredCompensationFlngOrgAmt>4370</DeferredCompensationFlngOrgAmt>
        <NontaxableBenefitsFilingOrgAmt>9469</NontaxableBenefitsFilingOrgAmt>
        <TotalCompensationFilingOrgAmt>235292</TotalCompensationFilingOrgAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Manuel Lopes</PersonNm>
        <TitleTxt>President &amp; CEO</TitleTxt>
        <BaseCompensationFilingOrgAmt>448426</BaseCompensationFilingOrgAmt>
        <BonusFilingOrganizationAmount>90000</BonusFilingOrganizationAmount>
        <DeferredCompensationFlngOrgAmt>5565</DeferredCompensationFlngOrgAmt>
        <NontaxableBenefitsFilingOrgAmt>20132</NontaxableBenefitsFilingOrgAmt>
        <TotalCompensationFilingOrgAmt>564123</TotalCompensationFilingOrgAmt>
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    </IRS990ScheduleJ>
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      <TaxExemptBondsIssuesGrp>
        <BondReferenceCd>A</BondReferenceCd>
        <IssuerName>
          <BusinessNameLine1Txt>Massachusetts Development Finance Agency</BusinessNameLine1Txt>
        </IssuerName>
        <BondIssuerEIN>043431814</BondIssuerEIN>
        <BondIssuedDt>2006-02-01</BondIssuedDt>
        <IssuePriceAmt>7564000</IssuePriceAmt>
        <PurposeDesc>Attached Note</PurposeDesc>
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        <OnBehalfOfIssuerInd>false</OnBehalfOfIssuerInd>
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        <DefeasedInd>false</DefeasedInd>
        <OnBehalfOfIssuerInd>false</OnBehalfOfIssuerInd>
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        <CapitalExpendituresAmt>7564000</CapitalExpendituresAmt>
        <CurrentRefundingInd>true</CurrentRefundingInd>
        <AdvanceRefundingInd>false</AdvanceRefundingInd>
        <FinalAllocationMadeInd>true</FinalAllocationMadeInd>
        <AdequateBooksAndRecMaintInd>true</AdequateBooksAndRecMaintInd>
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      <TaxExemptBondsProceedsGrp>
        <BondReferenceCd>B</BondReferenceCd>
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        <AnyLeaseArrangementsInd>false</AnyLeaseArrangementsInd>
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        <AnyLeaseArrangementsInd>false</AnyLeaseArrangementsInd>
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        <AnyResearchAgreementsInd>false</AnyResearchAgreementsInd>
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      <TaxExemptBondsArbitrageGrp>
        <BondReferenceCd>A</BondReferenceCd>
        <Form8038TFiledInd>true</Form8038TFiledInd>
        <HedgeIdentifiedInBksAndRecInd>true</HedgeIdentifiedInBksAndRecInd>
        <RegulatorySafeHarborStsfdInd>false</RegulatorySafeHarborStsfdInd>
        <GrossProceedsInvestedInd>false</GrossProceedsInvestedInd>
        <WrittenProcToMonitorReqsInd>false</WrittenProcToMonitorReqsInd>
      </TaxExemptBondsArbitrageGrp>
      <TaxExemptBondsArbitrageGrp>
        <BondReferenceCd>B</BondReferenceCd>
        <Form8038TFiledInd>true</Form8038TFiledInd>
        <HedgeIdentifiedInBksAndRecInd>false</HedgeIdentifiedInBksAndRecInd>
        <RegulatorySafeHarborStsfdInd>false</RegulatorySafeHarborStsfdInd>
        <GrossProceedsInvestedInd>false</GrossProceedsInvestedInd>
        <WrittenProcToMonitorReqsInd>false</WrittenProcToMonitorReqsInd>
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    </IRS990ScheduleK>
    <IRS990ScheduleO documentId="IRS990ScheduleO" softwareId="16000303" softwareVersionNum="2016v3.0">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Client Note 1</FormAndLineReferenceDesc>
        <ExplanationTxt>Client Note 1 - In October of 2013,The Center entered into a ten (10)year forgivable loan agreement with Boston Medical Center ("BMC") for $100,000 to support capital improvements to the Center's facilities. The loan bears interest equal to prime rate plus two percent (2%).The principal and interest balance shall be forgiven yearly over the life of the loan. The balance outstanding as of September 30, 2017 is $500,000.In September 2012, the Center entered into an agreement with the Massachusetts Development Finance Agency ("MDFA") to issue $10,400,000 of MDFA Series 2012 Revenue Bonds ("Series 2012 Bonds"), East Boston Neighborhood Health Center Issue, Series 2012 that will mature on September 1,2037.The bonds were issued to in order to finance the construction of a new health center building.Under the terms of a loan and trust agreement (the "Agreement") between the Center, MDFA and TD Banknorth, as trustee, the Center is required to make monthly payments to the trustee in amounts sufficient to pay the scheduled principal and interest requirements of the Series 2012 Bonds through maturity on September 1, 2037. The annual interest rate on the outstanding Series 2012 Bonds is 2.4%. Collateral for the Series 2012 Bonds consists of the Center's accounts receivable. The Agreement also contains various financial and reporting covenants.The Bond payable balance as of September 30, 2017 is $8,785,734.The Center loaned the proceeds of its new bonds to East Boston Neighborhood Health Center Fund, LLC.("Investment Fund").The Investment Fund then invested in the Qualified Low Income Community Investments CDE #1-#5, LLC("CDE".The CDE used the investment to provide the financing to TMS in five separate loans, totaling $22,376,000 for the construction of the new health center.In February of 2006, the Center entered into an agreement with the Massachusetts Development Finance Agency ("MDFA") to issue $7.564,000 of MDFA Series 1996 Revenue Bonds ("Series 2006 Bonds"), East Boston Neighborhood Health Center Issue, Series 2006 that will mature on July 1, 2026.The bonds were issued to advance refund the Center's outstanding MIFA Series 1996 Revenue Bonds. Under the terms of a loan and trust agreement (the "Agreement") between the Center, MDFA and TD Banknorth, as trustee, the Center is required to make monthly payments to the trustee in amounts sufficient to pay the scheduled principal and interest requirements of the Series 2006 Bonds through maturity on July 1, 2026. The annual interest rate on the outstanding Series 2006 Bond is the LIBOR rate times sixty nine percent (69%)plus one and two hundred seventy-eight thousand percent(1.278%). The interest rate was one and forty-five hundreds percent (1.45%) at September 30, 2015 and 2014. Collateral for the Series 2006 Bonds consists of the Center's accounts receivable. The Agreement also contains various financial and reporting covenants.Concurrent with the Center's loan and trust agreement, the Center entered into a fifteen (15) year interest rate swap agreement (the "Swap") with TD Bank effectively modifying the interest rate under the variable rate instrument to a fixed rate in order to avoid the risk of rising interest rates and to make their borrowing costs more predictable.The interest rate swap,is designed as a cash flow hedge and the activity is reported in other changes changes in net assets.The notional amount is $6,448,600 with a maturity date of February 1, 2021. The fixed rate is $4.825% and the floating rate is 1.437%.Interest expense is recorded at the fixed rate. The swap is outstanding through February 1, 2021, while the debt is outstanding until 2026.The interest rate swap was recorded at fair value as a liability of $277,177 and $459,824 as of September 30,2017 and 2016 respectively.The Bond payable balance as of September 30, 2017 is $4,216,600.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Line 11b: Form 990 Review Process</FormAndLineReferenceDesc>
        <ExplanationTxt>A copy of the Form 990 is made available to it's governing body for review prior to submission to the Internal Revenue Service through a web site portal.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Line 12c: Explanation of Monitoring and Enforcement of Conflicts</FormAndLineReferenceDesc>
        <ExplanationTxt>The organization requires that employees, members and officers of the board of directors and any member of any committee disclose in writing (and update annually) all business and other relationships which might potentially create a conflict of interest as defined by the policy. The written disclosure shall include an itemization of any substantive conflict of interest for such individual by virtue of his or her activities. The conflict of interest policy is reviewed and communicated to ensure individuals with outside relationships do not inappropriately participate in business decisions of the Organization in which they are not independent</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Line 15b: Compensation Review and Approval Process for Officers and Key Employees</FormAndLineReferenceDesc>
        <ExplanationTxt>All compensation for the President and CEO are governed and overseen by the Board of Directors.The Board established a Compensation Committee,made up of disinterested trustees,who are given the authority to establish compensation for the President and CEO.The Compensation Committee performs annual reviews and approves executive compensation for the President and CEO.In order to assist the Committee in it's responsibilities, the Compensation Committee hires independent, outside compensation consultants to advise the committee on the reasonableness of the overall executive compensation. The Committee works with these consultants to ensure that all compensation is reasonable, meets all regulatory requirements, and is competitive within the relevant market.Compensation for senior staff is overseen by the President and CEO, and is based upon benchmarks from an independent, outside compensation consultant.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Line 19: Other Organization Documents Publicly Available</FormAndLineReferenceDesc>
        <ExplanationTxt>The organization prepares the Form 990 and the related disclosures with assistance and guidance from it's individual tax advisors (CPA firm).The Form 990 is reviewed by the organizations' management team prior to submission to the board of directors and the IRS.The Form 990 is also available on the Massachusetts office of the Attorney General's website.</ExplanationTxt>
      </SupplementalInformationDetail>
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        <FormAndLineReferenceDesc>Other Changes In Net Assets Or Fund Balances - Other Increases</FormAndLineReferenceDesc>
        <ExplanationTxt>4 = $2840409</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Other Changes In Net Assets Or Fund Balances - Other Decreases</FormAndLineReferenceDesc>
        <ExplanationTxt>4 = -$84484</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
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      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>Twenty Maverick Square Corporation</BusinessNameLine1Txt>
        </DisregardedEntityName>
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          <AddressLine1Txt>10 Gove Street</AddressLine1Txt>
          <CityNm>East Boston</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>02128</ZIPCd>
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        <PrimaryActivitiesTxt>Support for East Boston Health Center</PrimaryActivitiesTxt>
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      <PerformOfServicesForOthOrgInd>false</PerformOfServicesForOthOrgInd>
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      <SharingOfFacilitiesInd>false</SharingOfFacilitiesInd>
      <PaidEmployeesSharingInd>false</PaidEmployeesSharingInd>
      <ReimbursementPaidToOtherOrgInd>false</ReimbursementPaidToOtherOrgInd>
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      <TransferToOtherOrgInd>false</TransferToOtherOrgInd>
      <TransferFromOtherOrgInd>false</TransferFromOtherOrgInd>
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