<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>5</documentType>

    <periodOfReport>2013-01-31</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <form3HoldingsReported>0</form3HoldingsReported>

    <form4TransactionsReported>0</form4TransactionsReported>

    <issuer>
        <issuerCik>0001083446</issuerCik>
        <issuerName>Apollo Medical Holdings, Inc.</issuerName>
        <issuerTradingSymbol>AMEH</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001572821</rptOwnerCik>
            <rptOwnerName>Creem Mitchell</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>700 NORTH BRAND BLVD.</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 450</rptOwnerStreet2>
            <rptOwnerCity>GLENDALE</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>91203</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionCoding>
                <transactionFormType></transactionFormType>
            </transactionCoding>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>500000</value>
                    <footnoteId id="F1"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">The reporting person became a director of the issuer on October 22, 2012. The reported shares represent the reporting person's ownership of reported securities issued simultaneously with his appointment as a director of the issuer. The reported shares were granted in connection with the reporting person's appointment as director on October 22, 2012, pursuant to a director agreement dated effective as of October 15, 2012. These shares represent restricted stock units that will be settled in common stock upon vesting. Pursuant to an agreement with the issuer, the shares of common stock will vest in 36 equal monthly installments. As of the date this report is being filed, 97,222 shares have vested.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Mitchell Creem</signatureName>
        <signatureDate>2013-04-10</signatureDate>
    </ownerSignature>
</ownershipDocument>
