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      <TotReportableCompRltdOrgAmt>0</TotReportableCompRltdOrgAmt>
      <TotalOtherCompensationAmt>0</TotalOtherCompensationAmt>
      <IndivRcvdGreaterThan100KCnt>0</IndivRcvdGreaterThan100KCnt>
      <FormerOfcrEmployeesListedInd>0</FormerOfcrEmployeesListedInd>
      <TotalCompGreaterThan150KInd>0</TotalCompGreaterThan150KInd>
      <CompensationFromOtherSrcsInd>0</CompensationFromOtherSrcsInd>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>KMTSJ INC</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>PO BOX 3217</AddressLine1Txt>
            <CityNm>EAU CLAIRE</CityNm>
            <StateAbbreviationCd>WI</StateAbbreviationCd>
            <ZIPCd>54702</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>RENT &amp; MGMT SERVICES</ServicesDesc>
        <CompensationAmt>14772844</CompensationAmt>
      </ContractorCompensationGrp>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>MARSHFIELD HOSPITAL</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>1000 N OAK AVE</AddressLine1Txt>
            <CityNm>MARSHFIELD</CityNm>
            <StateAbbreviationCd>WI</StateAbbreviationCd>
            <ZIPCd>54449</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>MEDICAL SERVICES &amp; ACCESS PAYMENT</ServicesDesc>
        <CompensationAmt>4236100</CompensationAmt>
      </ContractorCompensationGrp>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>MAYO CLINIC HEALTH SYSTEM</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>1221 WHIPPLE ST</AddressLine1Txt>
            <CityNm>EAU CLAIRE</CityNm>
            <StateAbbreviationCd>WI</StateAbbreviationCd>
            <ZIPCd>54703</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>MEDICAL SERVICES &amp; ACCESS PAYMENT</ServicesDesc>
        <CompensationAmt>3767648</CompensationAmt>
      </ContractorCompensationGrp>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>ST CROIX REGIONAL MEDICAL CENTER</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>235 STATE ST</AddressLine1Txt>
            <CityNm>SAINT CROIX FALLS</CityNm>
            <StateAbbreviationCd>WI</StateAbbreviationCd>
            <ZIPCd>54024</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>MEDICAL SERVICES &amp; ACCESS PAYMENT</ServicesDesc>
        <CompensationAmt>3446293</CompensationAmt>
      </ContractorCompensationGrp>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>MEMORIAL MEDICAL CENTER</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>1615 MAPLE LANE</AddressLine1Txt>
            <CityNm>ASHLAND</CityNm>
            <StateAbbreviationCd>WI</StateAbbreviationCd>
            <ZIPCd>54806</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>MEDICAL SERVICES &amp; ACCESS PAYMENT</ServicesDesc>
        <CompensationAmt>3075008</CompensationAmt>
      </ContractorCompensationGrp>
      <CntrctRcvdGreaterThan100KCnt>91</CntrctRcvdGreaterThan100KCnt>
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        <Desc>MED &amp; HOSP PREMIUM</Desc>
        <BusinessCd>524114</BusinessCd>
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      <ProgramServiceRevenueGrp>
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        <BusinessCd>524114</BusinessCd>
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      <InvestmentIncomeGrp>
        <TotalRevenueColumnAmt>1100054</TotalRevenueColumnAmt>
        <ExclusionAmt>1100054</ExclusionAmt>
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      <GrossAmountSalesAssetsGrp>
        <SecuritiesAmt>25522953</SecuritiesAmt>
      </GrossAmountSalesAssetsGrp>
      <LessCostOthBasisSalesExpnssGrp>
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      </LessCostOthBasisSalesExpnssGrp>
      <GainOrLossGrp>
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      <NetGainOrLossInvestmentsGrp>
        <TotalRevenueColumnAmt>-10476</TotalRevenueColumnAmt>
        <ExclusionAmt>-10476</ExclusionAmt>
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      <OtherRevenueMiscGrp>
        <Desc>ADMINISTRATIVE SERVICES REVENUE</Desc>
        <BusinessCd>524114</BusinessCd>
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        <UnrelatedBusinessRevenueAmt>78000</UnrelatedBusinessRevenueAmt>
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      <OtherRevenueTotalAmt>78000</OtherRevenueTotalAmt>
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        <ExclusionAmt>1089578</ExclusionAmt>
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      <InfoInScheduleOPartIXInd>X</InfoInScheduleOPartIXInd>
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      <OtherEmployeeBenefitsGrp>
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      <FeesForServicesManagementGrp>
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        <ManagementAndGeneralAmt>13272647</ManagementAndGeneralAmt>
      </FeesForServicesManagementGrp>
      <FeesForServicesLegalGrp>
        <TotalAmt>67750</TotalAmt>
        <ManagementAndGeneralAmt>67750</ManagementAndGeneralAmt>
      </FeesForServicesLegalGrp>
      <FeesForServicesAccountingGrp>
        <TotalAmt>380567</TotalAmt>
        <ProgramServicesAmt>104547</ProgramServicesAmt>
        <ManagementAndGeneralAmt>276020</ManagementAndGeneralAmt>
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      <FeesForServicesOtherGrp>
        <TotalAmt>126877180</TotalAmt>
        <ProgramServicesAmt>126731916</ProgramServicesAmt>
        <ManagementAndGeneralAmt>145264</ManagementAndGeneralAmt>
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      <AdvertisingGrp>
        <TotalAmt>36808</TotalAmt>
        <ManagementAndGeneralAmt>36808</ManagementAndGeneralAmt>
      </AdvertisingGrp>
      <OfficeExpensesGrp>
        <TotalAmt>151869</TotalAmt>
        <ProgramServicesAmt>29132</ProgramServicesAmt>
        <ManagementAndGeneralAmt>122737</ManagementAndGeneralAmt>
      </OfficeExpensesGrp>
      <InformationTechnologyGrp>
        <TotalAmt>347826</TotalAmt>
        <ProgramServicesAmt>326045</ProgramServicesAmt>
        <ManagementAndGeneralAmt>21781</ManagementAndGeneralAmt>
      </InformationTechnologyGrp>
      <OccupancyGrp>
        <TotalAmt>49047</TotalAmt>
        <ProgramServicesAmt>42397</ProgramServicesAmt>
        <ManagementAndGeneralAmt>6650</ManagementAndGeneralAmt>
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      <TravelGrp>
        <TotalAmt>2109</TotalAmt>
        <ProgramServicesAmt>1800</ProgramServicesAmt>
        <ManagementAndGeneralAmt>309</ManagementAndGeneralAmt>
      </TravelGrp>
      <ConferencesMeetingsGrp>
        <TotalAmt>237921</TotalAmt>
        <ProgramServicesAmt>1803</ProgramServicesAmt>
        <ManagementAndGeneralAmt>236118</ManagementAndGeneralAmt>
      </ConferencesMeetingsGrp>
      <DepreciationDepletionGrp>
        <TotalAmt>889</TotalAmt>
        <ProgramServicesAmt>889</ProgramServicesAmt>
      </DepreciationDepletionGrp>
      <InsuranceGrp>
        <TotalAmt>56586</TotalAmt>
        <ManagementAndGeneralAmt>56586</ManagementAndGeneralAmt>
      </InsuranceGrp>
      <OtherExpensesGrp>
        <Desc>INCOME TAX EXPENSE</Desc>
        <TotalAmt>1227517</TotalAmt>
        <ManagementAndGeneralAmt>1227517</ManagementAndGeneralAmt>
      </OtherExpensesGrp>
      <OtherExpensesGrp>
        <Desc>PPACA PREMIUM TAX EXPEN</Desc>
        <TotalAmt>191336</TotalAmt>
        <ManagementAndGeneralAmt>191336</ManagementAndGeneralAmt>
      </OtherExpensesGrp>
      <OtherExpensesGrp>
        <Desc>PCORI TAX EXPENSE</Desc>
        <TotalAmt>12134</TotalAmt>
        <ManagementAndGeneralAmt>12134</ManagementAndGeneralAmt>
      </OtherExpensesGrp>
      <AllOtherExpensesGrp>
        <TotalAmt>30242</TotalAmt>
        <ProgramServicesAmt>495</ProgramServicesAmt>
        <ManagementAndGeneralAmt>29747</ManagementAndGeneralAmt>
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      <TotalFunctionalExpensesGrp>
        <TotalAmt>147399344</TotalAmt>
        <ProgramServicesAmt>131073594</ProgramServicesAmt>
        <ManagementAndGeneralAmt>16325750</ManagementAndGeneralAmt>
        <FundraisingAmt>0</FundraisingAmt>
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      <CashNonInterestBearingGrp>
        <BOYAmt>5365920</BOYAmt>
        <EOYAmt>7212287</EOYAmt>
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      <PrepaidExpensesDefrdChargesGrp>
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        <EOYAmt>785688</EOYAmt>
      </PrepaidExpensesDefrdChargesGrp>
      <LandBldgEquipCostOrOtherBssAmt>144000</LandBldgEquipCostOrOtherBssAmt>
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      <LandBldgEquipBasisNetGrp>
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        <EOYAmt>143111</EOYAmt>
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      <InvestmentsOtherSecuritiesGrp>
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        <EOYAmt>1524898</EOYAmt>
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      <OtherAssetsTotalGrp>
        <BOYAmt>224593</BOYAmt>
        <EOYAmt>391364</EOYAmt>
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      <TotalAssetsGrp>
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        <EOYAmt>71427480</EOYAmt>
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      <AccountsPayableAccrExpnssGrp>
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        <EOYAmt>26432388</EOYAmt>
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      <OtherLiabilitiesGrp>
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        <EOYAmt>896919</EOYAmt>
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      <TotalLiabilitiesGrp>
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        <EOYAmt>27329307</EOYAmt>
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      <OrgDoesNotFollowFASB117Ind>X</OrgDoesNotFollowFASB117Ind>
      <CapStkTrPrinCurrentFundsGrp>
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        <EOYAmt>1430</EOYAmt>
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      <PdInCapSrplsLandBldgEqpFundGrp>
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        <EOYAmt>1001422</EOYAmt>
      </PdInCapSrplsLandBldgEqpFundGrp>
      <RtnEarnEndowmentIncmOthFndsGrp>
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        <EOYAmt>43095321</EOYAmt>
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      <TotalNetAssetsFundBalanceGrp>
        <BOYAmt>31131163</BOYAmt>
        <EOYAmt>44098173</EOYAmt>
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      <TotLiabNetAssetsFundBalanceGrp>
        <BOYAmt>53338487</BOYAmt>
        <EOYAmt>71427480</EOYAmt>
      </TotLiabNetAssetsFundBalanceGrp>
      <InfoInScheduleOPartXIInd>X</InfoInScheduleOPartXIInd>
      <ReconcilationRevenueExpnssAmt>13200805</ReconcilationRevenueExpnssAmt>
      <NetUnrlzdGainsLossesInvstAmt>-14844</NetUnrlzdGainsLossesInvstAmt>
      <OtherChangesInNetAssetsAmt>-218951</OtherChangesInNetAssetsAmt>
      <MethodOfAccountingAccrualInd>X</MethodOfAccountingAccrualInd>
      <AccountantCompileOrReviewInd>0</AccountantCompileOrReviewInd>
      <FSAuditedInd>1</FSAuditedInd>
      <FSAuditedBasisGrp>
        <SeparateBasisFinclStmtInd>X</SeparateBasisFinclStmtInd>
      </FSAuditedBasisGrp>
      <AuditCommitteeInd>1</AuditCommitteeInd>
      <FederalGrantAuditRequiredInd>0</FederalGrantAuditRequiredInd>
    </IRS990>
    <IRS990ScheduleA documentId="RetDoc1039100001">
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      <GrossReceiptsAdmissionsGrp>
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        <CurrentTaxYearMinus3YearsAmt>176849733</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>163705413</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>148535909</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>159432571</CurrentTaxYearAmt>
        <TotalAmt>822630878</TotalAmt>
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      <Total509Grp>
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        <CurrentTaxYearMinus3YearsAmt>176849733</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>163705413</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>148535909</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>159432571</CurrentTaxYearAmt>
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      <SubstantialContributorsAmtGrp>
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      </SubstantialContributorsAmtGrp>
      <SubstAndDsqlfyPrsnsTotGrp>
        <TotalAmt>0</TotalAmt>
      </SubstAndDsqlfyPrsnsTotGrp>
      <PublicSupportTotal509Amt>822630878</PublicSupportTotal509Amt>
      <GrossInvestmentIncome509Grp>
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        <CurrentTaxYearMinus3YearsAmt>921134</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>966122</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>1141394</CurrentTaxYearMinus1YearAmt>
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        <CurrentTaxYearMinus1YearAmt>1560</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>1560</CurrentTaxYearAmt>
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        <CurrentTaxYearMinus1YearAmt>1142954</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>1101614</CurrentTaxYearAmt>
        <TotalAmt>5025807</TotalAmt>
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        <CurrentTaxYearMinus3YearsAmt>177772707</CurrentTaxYearMinus3YearsAmt>
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        <CurrentTaxYearMinus1YearAmt>149678863</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>160534185</CurrentTaxYearAmt>
        <TotalAmt>827656685</TotalAmt>
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      <PublicSupportCY509Pct>0.99390</PublicSupportCY509Pct>
      <PublicSupportPY509Pct>0.99440</PublicSupportPY509Pct>
      <InvestmentIncomeCYPct>0.00610</InvestmentIncomeCYPct>
      <InvestmentIncomePYPct>0.00560</InvestmentIncomePYPct>
      <ThirtyThrPctSuprtTestsCY509Ind>X</ThirtyThrPctSuprtTestsCY509Ind>
    </IRS990ScheduleA>
    <IRS990ScheduleD documentId="RetDoc1040000001">
      <EquipmentGrp>
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        <DepreciationAmt>889</DepreciationAmt>
        <BookValueAmt>143111</BookValueAmt>
      </EquipmentGrp>
      <TotalBookValueLandBuildingsAmt>143111</TotalBookValueLandBuildingsAmt>
      <OtherLiabilitiesOrgGrp>
        <Desc>UNEARNED PREMIUM REVENUE</Desc>
        <Amt>896919</Amt>
      </OtherLiabilitiesOrgGrp>
      <TotalLiabilityAmt>896919</TotalLiabilityAmt>
      <TotalRevEtcAuditedFinclStmtAmt>160828310</TotalRevEtcAuditedFinclStmtAmt>
      <OtherRevenueAmt>228161</OtherRevenueAmt>
      <RevenueNotReportedAmt>228161</RevenueNotReportedAmt>
      <RevenueSubtotalAmt>160600149</RevenueSubtotalAmt>
      <RevenueNotReportedFinclStmtAmt>0</RevenueNotReportedFinclStmtAmt>
      <TotalRevenuePerForm990Amt>160600149</TotalRevenuePerForm990Amt>
      <TotExpnsEtcAuditedFinclStmtAmt>147399344</TotExpnsEtcAuditedFinclStmtAmt>
      <ExpensesNotReportedAmt>0</ExpensesNotReportedAmt>
      <ExpensesSubtotalAmt>147399344</ExpensesSubtotalAmt>
      <ExpensesNotRptFinclStmtAmt>0</ExpensesNotRptFinclStmtAmt>
      <TotalExpensesPerForm990Amt>147399344</TotalExpensesPerForm990Amt>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART XI, LINE 2D - OTHER ADJUSTMENTS:</FormAndLineReferenceDesc>
        <ExplanationTxt>LOSS ON SALE OF EQUIPMENT 228,161.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleD>
    <IRS990ScheduleO documentId="RetDoc1044400001">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 3</FormAndLineReferenceDesc>
        <ExplanationTxt>KMTSJ, AN UNRELATED CORPORATION, IS CONTRACTED TO PROVIDE SERVICE AS GENERAL MANAGER, ALONG WITH ACCOUNTING, MARKETING, CLAIMS PROCESSING, HUMAN RESOURCES, PAYROLL, AND DATA PROCESSING SERVICES. THE SERVICES OF CEO AND CFO ARE AMONG THESE PURCHASED THROUGH KMTSJ AND THE AMOUNT PAID IN TOTAL FOR THE CALENDAR YEAR IS REPRESENTED ON PART VII, SECTION B.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 7A</FormAndLineReferenceDesc>
        <ExplanationTxt>INDIVIDUALS COVERED UNDER GROUP HEALTH COOPERATIVE OF EAU CLAIRE'S INSURANCE POLICIES ARE CONSIDERED TO BE MEMBERS OF THE COOPERATIVE AND ELECT THE BOARD OF DIRECTORS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION REVIEWED FORM 990 IN THE FOLLOWING MANNER: EACH MEMBER OF THE BOARD OF DIRECTORS RECEIVED A COPY OF FORM 990 FOR REVIEW. A HIGH-LEVEL REVIEW WAS COMPLETED WITH THE BOARD OF DIRECTORS AT A BOARD MEETING, AND ANY QUESTIONS OR CONCERNS WERE ADDRESSED PRIOR TO THE BOARD'S APPROVAL TO FILE THE RETURN.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION MONITORS AND ENFORCES COMPLIANCE WITH THE CONFLICT OF INTEREST POLICY IN THE FOLLOWING MANNER: MEMBERS OF THE BOARD OF DIRECTORS ARE ASKED TO COMPLETE A CONFLICT OF INTEREST ATTESTATION ANNUALLY.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 15</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION DOES NOT HAVE A PROCESS FOR DETERMINING COMPENSATION FOR THE CEO, EXECUTIVE DIRECTOR, OR TOP MANAGEMENT OFFICIAL OR KEY EMPLOYEES, AS THESE POSITIONS ARE CONTRACTED THROUGH AN UNRELATED CORPORATION. ADDITIONALLY, OFFICERS OF THE ORGANIZATION ARE NOT COMPENSATED.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION DOES NOT MAKE ITS GOVERNING DOCUMENTS, CONFLICT OF INTEREST POLICY, AND FINANCIAL STATEMENTS AVAILABLE TO THE PUBLIC.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 8B</FormAndLineReferenceDesc>
        <ExplanationTxt>ORGANIZATION HAS AN EXECUTIVE COMMITTEE IN ADDITION TO BOARD OF DIRECTORS. EXECUTIVE COMMITTEE CONSISTS OF THE OFFICERS AND SUCH ADDITIONAL DIRECTORS AS THE BOARD MAY DETERMINE. THE EXECUTIVE COMMITTEE HAS THE AUTHORITY TO ACT ON ANY MATTER REQUIRING ATTENTION BETWEEN MEETINGS OF THE BOARD OF DIRECTORS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART IX, LINE 11G</FormAndLineReferenceDesc>
        <ExplanationTxt>REFERRALS - FEES FOR SERVICES: PROGRAM SERVICE EXPENSES 85,640,007. MANAGEMENT AND GENERAL EXPENSES 2,250. FUNDRAISING EXPENSES 0. TOTAL EXPENSES 85,642,257. BENEFITS - FEES FOR SERVICES: PROGRAM SERVICE EXPENSES 30,965,206. MANAGEMENT AND GENERAL EXPENSES 0. FUNDRAISING EXPENSES 0. TOTAL EXPENSES 30,965,206. CONTRACT SERVICES - MEDICAL: PROGRAM SERVICE EXPENSES 10,126,703. MANAGEMENT AND GENERAL EXPENSES 143,014. FUNDRAISING EXPENSES 0. TOTAL EXPENSES 10,269,717.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART XI, LINE 9:</FormAndLineReferenceDesc>
        <ExplanationTxt>CHANGE IN NONADMITTED ASSETS -447,112. LOSS ON SALE OF EQUIPMENT 228,161.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>
