﻿<?xml version="1.0" encoding="utf-8"?>
<Return xmlns="http://www.irs.gov/efile" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.irs.gov/efile" returnVersion="2024v5.2">
  <ReturnHeader binaryAttachmentCnt="0">
    <ReturnTs>2025-09-14T15:17:31-05:00</ReturnTs>
    <TaxPeriodEndDt>2025-06-30</TaxPeriodEndDt>
    <PreparerFirmGrp>
      <PreparerFirmEIN>542187845</PreparerFirmEIN>
      <PreparerFirmName>
        <BusinessNameLine1Txt>SCHIFF &amp; ASSOCIATES LLC</BusinessNameLine1Txt>
      </PreparerFirmName>
      <PreparerUSAddress>
        <AddressLine1Txt>100 WEST ROAD SUITE 410</AddressLine1Txt>
        <CityNm>TOWSON</CityNm>
        <StateAbbreviationCd>MD</StateAbbreviationCd>
        <ZIPCd>21204</ZIPCd>
      </PreparerUSAddress>
    </PreparerFirmGrp>
    <ReturnTypeCd>990EZ</ReturnTypeCd>
    <TaxPeriodBeginDt>2024-07-01</TaxPeriodBeginDt>
    <Filer>
      <EIN>526056062</EIN>
      <BusinessName>
        <BusinessNameLine1Txt>THE ALPHA OMEGA INTERNATIONAL DENTAL</BusinessNameLine1Txt>
        <BusinessNameLine2Txt>FRATERNITY INC WASHINGTON DC CHAPTER</BusinessNameLine2Txt>
      </BusinessName>
      <BusinessNameControlTxt>ALPH</BusinessNameControlTxt>
      <PhoneNum>3019843800</PhoneNum>
      <USAddress>
        <AddressLine1Txt>5802 HUBBARD DRIVE</AddressLine1Txt>
        <CityNm>ROCKVILLE</CityNm>
        <StateAbbreviationCd>MD</StateAbbreviationCd>
        <ZIPCd>20852</ZIPCd>
      </USAddress>
    </Filer>
    <BusinessOfficerGrp>
      <PersonNm>FREDRIC H SIMON</PersonNm>
      <PersonTitleTxt>TREASURER</PersonTitleTxt>
      <PhoneNum>3019843800</PhoneNum>
      <SignatureDt>2025-09-14</SignatureDt>
      <DiscussWithPaidPreparerInd>1</DiscussWithPaidPreparerInd>
    </BusinessOfficerGrp>
    <IRSResponsiblePrtyInfoCurrInd>1</IRSResponsiblePrtyInfoCurrInd>
    <PreparerPersonGrp>
      <PreparerPersonNm>ALLEN M SCHIFF CPA CFE</PreparerPersonNm>
      <PTIN>P00087389</PTIN>
      <PhoneNum>4103217707</PhoneNum>
    </PreparerPersonGrp>
    <TaxYr>2024</TaxYr>
    <BuildTS>2025-03-06 01:10:19Z</BuildTS>
  </ReturnHeader>
  <ReturnData documentCnt="4">
    <IRS990EZ documentId="RetDoc1234200001" referenceDocumentId="RetDoc1051800001 RetDoc2278000001">
      <MethodOfAccountingCashInd>X</MethodOfAccountingCashInd>
      <ScheduleBNotRequiredInd>X</ScheduleBNotRequiredInd>
      <WebsiteAddressTxt>ALPHAOMEGAWASHINGTONDC.ORG</WebsiteAddressTxt>
      <Organization501c3Ind referenceDocumentId="RetDoc1039100001">X</Organization501c3Ind>
      <TypeOfOrganizationCorpInd>X</TypeOfOrganizationCorpInd>
      <GrossReceiptsAmt>79820</GrossReceiptsAmt>
      <InfoInScheduleOPartIInd>X</InfoInScheduleOPartIInd>
      <MembershipDuesAmt>48304</MembershipDuesAmt>
      <InvestmentIncomeAmt>262</InvestmentIncomeAmt>
      <FundraisingGrossIncomeAmt>1665</FundraisingGrossIncomeAmt>
      <SpecialEventsDirectExpensesAmt>1885</SpecialEventsDirectExpensesAmt>
      <SpecialEventsNetIncomeLossAmt>-220</SpecialEventsNetIncomeLossAmt>
      <OtherRevenueTotalAmt>29589</OtherRevenueTotalAmt>
      <TotalRevenueAmt>77935</TotalRevenueAmt>
      <GrantsAndSimilarAmountsPaidAmt>11792</GrantsAndSimilarAmountsPaidAmt>
      <OtherExpensesTotalAmt>49813</OtherExpensesTotalAmt>
      <TotalExpensesAmt>61605</TotalExpensesAmt>
      <ExcessOrDeficitForYearAmt>16330</ExcessOrDeficitForYearAmt>
      <NetAssetsOrFundBalancesBOYAmt>26349</NetAssetsOrFundBalancesBOYAmt>
      <OtherChangesInNetAssetsAmt>0</OtherChangesInNetAssetsAmt>
      <NetAssetsOrFundBalancesEOYAmt>42679</NetAssetsOrFundBalancesEOYAmt>
      <CashSavingsAndInvestmentsGrp>
        <BOYAmt>26349</BOYAmt>
        <EOYAmt>42679</EOYAmt>
      </CashSavingsAndInvestmentsGrp>
      <Form990TotalAssetsGrp>
        <BOYAmt>26349</BOYAmt>
        <EOYAmt>42679</EOYAmt>
      </Form990TotalAssetsGrp>
      <SumOfTotalLiabilitiesGrp>
        <BOYAmt>0</BOYAmt>
        <EOYAmt>0</EOYAmt>
      </SumOfTotalLiabilitiesGrp>
      <NetAssetsOrFundBalancesGrp>
        <BOYAmt>26349</BOYAmt>
        <EOYAmt>42679</EOYAmt>
      </NetAssetsOrFundBalancesGrp>
      <InfoInScheduleOPartIIIInd>X</InfoInScheduleOPartIIIInd>
      <PrimaryExemptPurposeTxt>THE EXCHANGE OF KNOWLEDGE RELATING TO THE DENTAL PROFESSION AND THE FOSTERING OF FRATERNITY AMONG THE MEMBERS OF THE DENTAL PROFESSION.</PrimaryExemptPurposeTxt>
      <ProgramSrvcAccomplishmentGrp>
        <DescriptionProgramSrvcAccomTxt>THE EXCHANGE OF KNOWLEDGE REGARDING THE DENTAL PROFESSION AND THE FOSTERING OF FRATERNITY AMONG THE MEMBERS OF THE DENTAL PROFESSION.</DescriptionProgramSrvcAccomTxt>
        <GrantsAndAllocationsAmt>0</GrantsAndAllocationsAmt>
        <ProgramServiceExpensesAmt>57284</ProgramServiceExpensesAmt>
      </ProgramSrvcAccomplishmentGrp>
      <TotalProgramServiceExpensesAmt>57284</TotalProgramServiceExpensesAmt>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>SANDRA HSIEH DDS</PersonNm>
        <TitleTxt>PRESIDENT</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>2.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
        <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
        <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>ALAN HELLER DDS</PersonNm>
        <TitleTxt>PRESIDENT-ELECT</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>2.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
        <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
        <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>FRED SIMON DDS</PersonNm>
        <TitleTxt>TREASURER</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>2.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
        <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
        <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>SHARON BROWN</PersonNm>
        <TitleTxt>SECRETARY</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>2.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
        <EmployeeBenefitProgramAmt>0</EmployeeBenefitProgramAmt>
        <ExpenseAccountOtherAllwncAmt>0</ExpenseAccountOtherAllwncAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <InfoInScheduleOPartVInd>X</InfoInScheduleOPartVInd>
      <ActivitiesNotPreviouslyRptInd>0</ActivitiesNotPreviouslyRptInd>
      <ChgMadeToOrgnzngDocNotRptInd>0</ChgMadeToOrgnzngDocNotRptInd>
      <OrganizationHadUBIInd>0</OrganizationHadUBIInd>
      <SubjectToProxyTaxInd>0</SubjectToProxyTaxInd>
      <OrganizationDissolvedEtcInd>0</OrganizationDissolvedEtcInd>
      <DirectIndirectPltclExpendAmt>0</DirectIndirectPltclExpendAmt>
      <MadeLoansToFromOfficersInd>0</MadeLoansToFromOfficersInd>
      <TaxImposedUnderIRC4911Amt>0</TaxImposedUnderIRC4911Amt>
      <TaxImposedUnderIRC4912Amt>0</TaxImposedUnderIRC4912Amt>
      <TaxImposedUnderIRC4955Amt>0</TaxImposedUnderIRC4955Amt>
      <EngagedInExcessBenefitTransInd>0</EngagedInExcessBenefitTransInd>
      <TaxImposedOnOrganizationMgrAmt>0</TaxImposedOnOrganizationMgrAmt>
      <TaxReimbursedByOrganizationAmt>0</TaxReimbursedByOrganizationAmt>
      <ProhibitedTaxShelterTransInd>0</ProhibitedTaxShelterTransInd>
      <StatesWhereCopyOfReturnIsFldCd>MD</StatesWhereCopyOfReturnIsFldCd>
      <BooksInCareOfDetail>
        <BusinessName>
          <BusinessNameLine1Txt>THE ORGANIZATION</BusinessNameLine1Txt>
        </BusinessName>
        <USAddress>
          <AddressLine1Txt>5802 HUBBARD DRIVE</AddressLine1Txt>
          <CityNm>ROCKVILLE</CityNm>
          <StateAbbreviationCd>MD</StateAbbreviationCd>
          <ZIPCd>20852</ZIPCd>
        </USAddress>
        <PhoneNum>3019843800</PhoneNum>
      </BooksInCareOfDetail>
      <ForeignFinancialAccountInd>0</ForeignFinancialAccountInd>
      <ForeignOfficeInd>0</ForeignOfficeInd>
      <DonorAdvisedFndsInd>0</DonorAdvisedFndsInd>
      <OperateHospitalInd>0</OperateHospitalInd>
      <TanningServicesProvidedInd>0</TanningServicesProvidedInd>
      <RelatedOrganizationCtrlEntInd>0</RelatedOrganizationCtrlEntInd>
      <PoliticalCampaignActyInd>0</PoliticalCampaignActyInd>
      <LobbyingActivitiesInd>0</LobbyingActivitiesInd>
      <SchoolOperatingInd>0</SchoolOperatingInd>
      <TrnsfrExmptNonChrtblRltdOrgInd>0</TrnsfrExmptNonChrtblRltdOrgInd>
      <PartVIOfCompOfHghstPdEmplTxt>NONE</PartVIOfCompOfHghstPdEmplTxt>
      <PartVIHghstPdCntrctProfSrvcTxt>NONE</PartVIHghstPdCntrctProfSrvcTxt>
      <FiledScheduleAInd>1</FiledScheduleAInd>
    </IRS990EZ>
    <IRS990ScheduleA documentId="RetDoc1039100001">
      <PubliclySupportedOrg509a2Ind>X</PubliclySupportedOrg509a2Ind>
      <GiftsGrantsContrisRcvd509Grp>
        <CurrentTaxYearMinus4YearsAmt>39604</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>39178</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>42788</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>35064</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>48304</CurrentTaxYearAmt>
        <TotalAmt>204938</TotalAmt>
      </GiftsGrantsContrisRcvd509Grp>
      <GrossReceiptsAdmissionsGrp>
        <CurrentTaxYearMinus4YearsAmt>-2322</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>-10853</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>1788</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>-2292</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>1665</CurrentTaxYearAmt>
        <TotalAmt>-12014</TotalAmt>
      </GrossReceiptsAdmissionsGrp>
      <Total509Grp>
        <CurrentTaxYearMinus4YearsAmt>37282</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>28325</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>44576</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>32772</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>49969</CurrentTaxYearAmt>
        <TotalAmt>192924</TotalAmt>
      </Total509Grp>
      <AmountsRcvdDsqlfyPersonGrp>
        <TotalAmt>0</TotalAmt>
      </AmountsRcvdDsqlfyPersonGrp>
      <SubstantialContributorsAmtGrp>
        <TotalAmt>0</TotalAmt>
      </SubstantialContributorsAmtGrp>
      <SubstAndDsqlfyPrsnsTotGrp>
        <TotalAmt>0</TotalAmt>
      </SubstAndDsqlfyPrsnsTotGrp>
      <PublicSupportTotal509Amt>192924</PublicSupportTotal509Amt>
      <GrossInvestmentIncome509Grp>
        <CurrentTaxYearMinus4YearsAmt>15</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>4</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>263</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>351</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>262</CurrentTaxYearAmt>
        <TotalAmt>895</TotalAmt>
      </GrossInvestmentIncome509Grp>
      <InvestmentIncomeAndUBTIGrp>
        <CurrentTaxYearMinus4YearsAmt>15</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>4</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>263</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>351</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>262</CurrentTaxYearAmt>
        <TotalAmt>895</TotalAmt>
      </InvestmentIncomeAndUBTIGrp>
      <TotalSupportCalendarYearGrp>
        <CurrentTaxYearMinus4YearsAmt>37297</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>28329</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>44839</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>33123</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>50231</CurrentTaxYearAmt>
        <TotalAmt>193819</TotalAmt>
      </TotalSupportCalendarYearGrp>
      <PublicSupportCY509Pct>0.99540</PublicSupportCY509Pct>
      <PublicSupportPY509Pct>0.99670</PublicSupportPY509Pct>
      <InvestmentIncomeCYPct>0.00460</InvestmentIncomeCYPct>
      <InvestmentIncomePYPct>0.00330</InvestmentIncomePYPct>
      <ThirtyThrPctSuprtTestsCY509Ind>X</ThirtyThrPctSuprtTestsCY509Ind>
    </IRS990ScheduleA>
    <IRS990ScheduleO documentId="RetDoc1051800001">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990-EZ, PART I, LINE 4 - OTHER INVESTMENT INCOME</FormAndLineReferenceDesc>
        <ExplanationTxt>DESCRIPTION: INTEREST INCOME. AMOUNT: 262.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990-EZ, PART I, LINE 8 - OTHER REVENUE</FormAndLineReferenceDesc>
        <ExplanationTxt>DESCRIPTION: SPONSORSHIP FEES. AMOUNT: 26,800. DESCRIPTION: GUEST FEES. AMOUNT: 2,789. TOTAL TO FORM 990-EZ, LINE 8: 29,589.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990-EZ, PART I, LINE 10 - PAYMENTS TO AFFILIATES</FormAndLineReferenceDesc>
        <ExplanationTxt>AFFILIATE NAME: ALPHA OMEGA INTERNATIONAL DENTAL FRATERNITY. AFFILIATE ADDRESS: 50 W. EDMONSON DRIVE #206 ROCKVILLE, MD 20852. PURPOSE OF PAYMENT: MEMBERSHIP DUES. AMOUNT OF PAYMENT: 11,792.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990-EZ, PART I, LINE 16 - OTHER EXPENSES</FormAndLineReferenceDesc>
        <ExplanationTxt>DESCRIPTION: CONFERENCES, CONVENTIONS, AND MEETINGS. AMOUNT: 30,699. DESCRIPTION: SPEAKER FEES. AMOUNT: 14,793. DESCRIPTION: BANK CHARGES &amp; CC FEES. AMOUNT: 1,192. DESCRIPTION: OTHER COSTS. AMOUNT: 3,129. TOTAL TO FORM 990-EZ, LINE 16: 49,813.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
    <TransferPrsnlBnftContractsDecl documentId="RetDoc2278000001">
      <DeclarationDesc>THE ORGANIZATION DID NOT, DURING THE YEAR, RECEIVE ANY FUNDS, DIRECTLY,OR INDIRECTLY, TO PAY PREMIUMS ON A PERSONAL BENEFIT CONTRACT.THE ORGANIZATION, DID NOT, DURING THE YEAR, PAY ANY PREMIUMS, DIRECTLY,OR INDIRECTLY, ON A PERSONAL BENEFIT CONTRACT.</DeclarationDesc>
    </TransferPrsnlBnftContractsDecl>
  </ReturnData>
</Return>