﻿<?xml version="1.0" encoding="utf-8"?>
<Return xmlns="http://www.irs.gov/efile" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" returnVersion="2025v4.1" xsi:schemaLocation="http://www.irs.gov/efile">
  <ReturnHeader binaryAttachmentCnt="0">
    <ReturnTs>2026-06-08T14:45:29-07:00</ReturnTs>
    <TaxPeriodEndDt>2025-12-31</TaxPeriodEndDt>
    <PreparerFirmGrp>
      <PreparerFirmEIN>934797806</PreparerFirmEIN>
      <PreparerFirmName>
        <BusinessNameLine1Txt>MMRS Accountancy Corporation</BusinessNameLine1Txt>
      </PreparerFirmName>
      <PreparerUSAddress>
        <AddressLine1Txt>460 Drake Circle</AddressLine1Txt>
        <CityNm>Sacramento</CityNm>
        <StateAbbreviationCd>CA</StateAbbreviationCd>
        <ZIPCd>95864</ZIPCd>
      </PreparerUSAddress>
    </PreparerFirmGrp>
    <ReturnTypeCd>990EZ</ReturnTypeCd>
    <TaxPeriodBeginDt>2025-01-01</TaxPeriodBeginDt>
    <Filer>
      <EIN>942788893</EIN>
      <BusinessName>
        <BusinessNameLine1Txt>MEDICAL EDUCATION &amp; RESEARCH FNDTN</BusinessNameLine1Txt>
        <BusinessNameLine2Txt>FOR THE TREATMENT OF ADDICTION</BusinessNameLine2Txt>
      </BusinessName>
      <BusinessNameControlTxt>MEDI</BusinessNameControlTxt>
      <PhoneNum>9164855875</PhoneNum>
      <USAddress>
        <AddressLine1Txt>1540 RIVER PARK DR 211</AddressLine1Txt>
        <CityNm>SACRAMENTO</CityNm>
        <StateAbbreviationCd>CA</StateAbbreviationCd>
        <ZIPCd>95815</ZIPCd>
      </USAddress>
    </Filer>
    <BusinessOfficerGrp>
      <PersonNm>JENIFER MCDONALD</PersonNm>
      <PersonTitleTxt>ACCOUNT MANAGER</PersonTitleTxt>
      <SignatureDt>2026-06-08</SignatureDt>
      <DiscussWithPaidPreparerInd>true</DiscussWithPaidPreparerInd>
    </BusinessOfficerGrp>
    <PreparerPersonGrp>
      <PreparerPersonNm>Jonathan Strawn</PreparerPersonNm>
      <PTIN>P03170691</PTIN>
      <PhoneNum>9164970676</PhoneNum>
    </PreparerPersonGrp>
    <TaxYr>2025</TaxYr>
    <BuildTS>2025-03-06 01:10:19Z</BuildTS>
  </ReturnHeader>
  <ReturnData documentCnt="4">
    <IRS990EZ documentId="IRS990EZ" referenceDocumentId="TransfersPersonalBenefitsContr IRS990ScheduleO" softwareId="25022934" softwareVersionNum="2025v4.1">
      <MethodOfAccountingCashInd>X</MethodOfAccountingCashInd>
      <WebsiteAddressTxt>www.merfweb.org</WebsiteAddressTxt>
      <Organization501c3Ind referenceDocumentId="IRS990ScheduleA">X</Organization501c3Ind>
      <TypeOfOrganizationCorpInd>X</TypeOfOrganizationCorpInd>
      <GrossReceiptsAmt>15615</GrossReceiptsAmt>
      <InfoInScheduleOPartIInd>X</InfoInScheduleOPartIInd>
      <ContributionsGiftsGrantsEtcAmt>15511</ContributionsGiftsGrantsEtcAmt>
      <InvestmentIncomeAmt>104</InvestmentIncomeAmt>
      <CostOrOtherBasisExpenseSaleAmt>0</CostOrOtherBasisExpenseSaleAmt>
      <FundraisingGrossIncomeAmt>0</FundraisingGrossIncomeAmt>
      <SpecialEventsDirectExpensesAmt>0</SpecialEventsDirectExpensesAmt>
      <CostOfGoodsSoldAmt>0</CostOfGoodsSoldAmt>
      <TotalRevenueAmt>15615</TotalRevenueAmt>
      <FeesAndOtherPymtToIndCntrctAmt>2096</FeesAndOtherPymtToIndCntrctAmt>
      <PrintingPublicationsPostageAmt>4</PrintingPublicationsPostageAmt>
      <OtherExpensesTotalAmt>12695</OtherExpensesTotalAmt>
      <TotalExpensesAmt>14795</TotalExpensesAmt>
      <ExcessOrDeficitForYearAmt>820</ExcessOrDeficitForYearAmt>
      <NetAssetsOrFundBalancesBOYAmt>62962</NetAssetsOrFundBalancesBOYAmt>
      <NetAssetsOrFundBalancesEOYAmt>63782</NetAssetsOrFundBalancesEOYAmt>
      <CashSavingsAndInvestmentsGrp>
        <BOYAmt>62962</BOYAmt>
        <EOYAmt>63782</EOYAmt>
      </CashSavingsAndInvestmentsGrp>
      <Form990TotalAssetsGrp>
        <BOYAmt>62962</BOYAmt>
        <EOYAmt>63782</EOYAmt>
      </Form990TotalAssetsGrp>
      <NetAssetsOrFundBalancesGrp>
        <BOYAmt>62962</BOYAmt>
        <EOYAmt>63782</EOYAmt>
      </NetAssetsOrFundBalancesGrp>
      <PrimaryExemptPurposeTxt>To increase and improve the education of physicians about alcoholism and other drug dependencies-specifically about the evidence, the science base, and how to apply it with patients. We particularly stress the clinical continuum of diagnosis, treatment and recovery for the patient and their family members.</PrimaryExemptPurposeTxt>
      <ProgramSrvcAccomplishmentGrp>
        <DescriptionProgramSrvcAccomTxt>MERF works to increase and improve the education of physicians about all aspects of addiction, including harmful drinking or drug use, medical sequelae, family impact, recovery and how to support it. To address that need, MERF is building upon its years of experience by supporting programs of continuing medical education in substance abuse and in providing annual scholarships and mentoring for physicians-in-training. Scholarship recipients demonstrate vastly improved awareness of addiction medicine science and practice. In recent years, MERF has also been providing mentoring for primary care physicians in order to improve access to medication assisted treatment for patients.</DescriptionProgramSrvcAccomTxt>
        <ProgramServiceExpensesAmt>9921</ProgramServiceExpensesAmt>
      </ProgramSrvcAccomplishmentGrp>
      <TotalProgramServiceExpensesAmt>9921</TotalProgramServiceExpensesAmt>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>MAUREEN STROHM MD</PersonNm>
        <TitleTxt>President</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>1.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>STEVEN J EICKELBERG MD</PersonNm>
        <TitleTxt>Director</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>1.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>ARIANA CAMPBELL PA-C</PersonNm>
        <TitleTxt>Director</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>1.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>LINDA GAYDEN BA</PersonNm>
        <TitleTxt>Director</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>1.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>GREG GREENBERG MD</PersonNm>
        <TitleTxt>Director</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>1.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>DOUG MCMULLIN MD</PersonNm>
        <TitleTxt>Director</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>1.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>JULIE G NYQUIST PHD</PersonNm>
        <TitleTxt>Director</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>1.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>KENNETH SAFFIER MD</PersonNm>
        <TitleTxt>Director</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>1.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>GLORIA SANCHEZ MD</PersonNm>
        <TitleTxt>Director</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>1.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>ANDREW SMITH PHD</PersonNm>
        <TitleTxt>Director</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>1.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>FARAH ZAIDI MD</PersonNm>
        <TitleTxt>Director</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>1.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>KAREN ANTILER MD</PersonNm>
        <TitleTxt>Director</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>1.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>STEPHANIE CONSTANTINO MD</PersonNm>
        <TitleTxt>Director</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>1.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <ActivitiesNotPreviouslyRptInd>false</ActivitiesNotPreviouslyRptInd>
      <ChgMadeToOrgnzngDocNotRptInd>false</ChgMadeToOrgnzngDocNotRptInd>
      <OrganizationHadUBIInd>false</OrganizationHadUBIInd>
      <SubjectToProxyTaxInd>false</SubjectToProxyTaxInd>
      <OrganizationDissolvedEtcInd>false</OrganizationDissolvedEtcInd>
      <Form1120PolFiledInd>false</Form1120PolFiledInd>
      <MadeLoansToFromOfficersInd>false</MadeLoansToFromOfficersInd>
      <TaxImposedUnderIRC4911Amt>0</TaxImposedUnderIRC4911Amt>
      <TaxImposedUnderIRC4912Amt>0</TaxImposedUnderIRC4912Amt>
      <TaxImposedUnderIRC4955Amt>0</TaxImposedUnderIRC4955Amt>
      <EngagedInExcessBenefitTransInd>false</EngagedInExcessBenefitTransInd>
      <TaxImposedOnOrganizationMgrAmt>0</TaxImposedOnOrganizationMgrAmt>
      <TaxReimbursedByOrganizationAmt>0</TaxReimbursedByOrganizationAmt>
      <ProhibitedTaxShelterTransInd>false</ProhibitedTaxShelterTransInd>
      <StatesWhereCopyOfReturnIsFldCd>CA</StatesWhereCopyOfReturnIsFldCd>
      <BooksInCareOfDetail>
        <PersonNm>JENIFER MCDONALD</PersonNm>
        <USAddress>
          <AddressLine1Txt>1540 RIVER PARK DR 211</AddressLine1Txt>
          <CityNm>SACRAMENTO</CityNm>
          <StateAbbreviationCd>CA</StateAbbreviationCd>
          <ZIPCd>958154608</ZIPCd>
        </USAddress>
        <PhoneNum>9164855875</PhoneNum>
      </BooksInCareOfDetail>
      <ForeignFinancialAccountInd>false</ForeignFinancialAccountInd>
      <ForeignOfficeInd>false</ForeignOfficeInd>
      <DonorAdvisedFndsInd>false</DonorAdvisedFndsInd>
      <OperateHospitalInd>false</OperateHospitalInd>
      <TanningServicesProvidedInd>false</TanningServicesProvidedInd>
      <RelatedOrganizationCtrlEntInd>false</RelatedOrganizationCtrlEntInd>
      <TransactionWithControlEntInd>false</TransactionWithControlEntInd>
      <PoliticalCampaignActyInd>false</PoliticalCampaignActyInd>
      <LobbyingActivitiesInd>false</LobbyingActivitiesInd>
      <SchoolOperatingInd>false</SchoolOperatingInd>
      <TrnsfrExmptNonChrtblRltdOrgInd>false</TrnsfrExmptNonChrtblRltdOrgInd>
      <PartVIOfCompOfHghstPdEmplTxt>NONE</PartVIOfCompOfHghstPdEmplTxt>
      <PartVIHghstPdCntrctProfSrvcTxt>NONE</PartVIHghstPdCntrctProfSrvcTxt>
      <FiledScheduleAInd>true</FiledScheduleAInd>
    </IRS990EZ>
    <IRS990ScheduleA documentId="IRS990ScheduleA" softwareId="25022934" softwareVersionNum="2025v4.1">
      <PublicOrganization170Ind>X</PublicOrganization170Ind>
      <GiftsGrantsContriRcvd170Grp>
        <CurrentTaxYearMinus4YearsAmt>8004</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>15501</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>42840</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>17250</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>15511</CurrentTaxYearAmt>
        <TotalAmt>99106</TotalAmt>
      </GiftsGrantsContriRcvd170Grp>
      <TaxRevLeviedOrgnztnlBnft170Grp>
        <TotalAmt>0</TotalAmt>
      </TaxRevLeviedOrgnztnlBnft170Grp>
      <GovtFurnSrvcFcltsVl170Grp>
        <TotalAmt>0</TotalAmt>
      </GovtFurnSrvcFcltsVl170Grp>
      <TotalCalendarYear170Grp>
        <CurrentTaxYearMinus4YearsAmt>8004</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>15501</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>42840</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>17250</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>15511</CurrentTaxYearAmt>
        <TotalAmt>99106</TotalAmt>
      </TotalCalendarYear170Grp>
      <SubstantialContributorsTotAmt>0</SubstantialContributorsTotAmt>
      <PublicSupportTotal170Amt>99106</PublicSupportTotal170Amt>
      <GrossInvestmentIncome170Grp>
        <CurrentTaxYearMinus1YearAmt>2</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>104</CurrentTaxYearAmt>
        <TotalAmt>106</TotalAmt>
      </GrossInvestmentIncome170Grp>
      <UnrelatedBusinessNetIncm170Grp>
        <TotalAmt>0</TotalAmt>
      </UnrelatedBusinessNetIncm170Grp>
      <OtherIncome170Grp>
        <TotalAmt>0</TotalAmt>
      </OtherIncome170Grp>
      <TotalSupportAmt>99212</TotalSupportAmt>
      <PublicSupportCY170Pct>0.99890</PublicSupportCY170Pct>
      <PublicSupportPY170Pct>1.00000</PublicSupportPY170Pct>
      <ThirtyThrPctSuprtTestsCY170Ind>X</ThirtyThrPctSuprtTestsCY170Ind>
    </IRS990ScheduleA>
    <IRS990ScheduleB documentId="IRS990ScheduleB" softwareId="25022934" softwareVersionNum="2025v4.1">
      <ContributorInformationGrp>
        <ContributorNum>RESTRICTED</ContributorNum>
        <ContributorBusinessName>
          <BusinessNameLine1>RESTRICTED</BusinessNameLine1>
        </ContributorBusinessName>
        <ContributorUSAddress>
          <AddressLine1>RESTRICTED</AddressLine1>
          <AddressLine2>RESTRICTED</AddressLine2>
          <City>RESTRICTED</City>
          <State>RESTRICTED</State>
          <ZIPCode>RESTRICTED</ZIPCode>
        </ContributorUSAddress>
        <TotalContributionsAmt>RESTRICTED</TotalContributionsAmt>
      </ContributorInformationGrp>
    </IRS990ScheduleB>
    <IRS990ScheduleO documentId="IRS990ScheduleO" softwareId="25022934" softwareVersionNum="2025v4.1">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Other Expenses.1003</FormAndLineReferenceDesc>
        <ExplanationTxt>Information Technology $123</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Other Expenses.1</FormAndLineReferenceDesc>
        <ExplanationTxt>MERF SCHOLARS/CHAMPIONS $9921</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Other Expenses.2</FormAndLineReferenceDesc>
        <ExplanationTxt>DUES &amp; SUBSCRIPTIONS $1634</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Other Expenses.3</FormAndLineReferenceDesc>
        <ExplanationTxt>FILING FEES $888</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Other Expenses.4</FormAndLineReferenceDesc>
        <ExplanationTxt>CREDIT CARD FEES $129</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>