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

    <schemaVersion>X0206</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2014-06-25</periodOfReport>

    <noSecuritiesOwned>0</noSecuritiesOwned>

    <issuer>
        <issuerCik>0001602367</issuerCik>
        <issuerName>Adeptus Health Inc.</issuerName>
        <issuerTradingSymbol>ADPT</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001611617</rptOwnerCik>
            <rptOwnerName>5-N Investments, LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>DB SECURITIES INC.</rptOwnerStreet1>
            <rptOwnerStreet2>200 CRESCENT COURT, SUITE 500</rptOwnerStreet2>
            <rptOwnerCity>DALLAS</rptOwnerCity>
            <rptOwnerState>TX</rptOwnerState>
            <rptOwnerZipCode>75201</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001611618</rptOwnerCik>
            <rptOwnerName>Novak Jacob John</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>DB SECURITIES INC.</rptOwnerStreet1>
            <rptOwnerStreet2>200 CRESCENT COURT, SUITE 500</rptOwnerStreet2>
            <rptOwnerCity>DALLAS</rptOwnerCity>
            <rptOwnerState>TX</rptOwnerState>
            <rptOwnerZipCode>75201</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeHolding>
            <securityTitle>
                <value>Units of Adeptus Health LLC</value>
                <footnoteId id="F1"/>
            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F1"/>
            </conversionOrExercisePrice>
            <exerciseDate>
                <footnoteId id="F1"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F1"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Class A Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>1747778</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See footnote</value>
                    <footnoteId id="F2"/>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeHolding>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Units of Adeptus Health LLC represent limited liability company units of Adeptus Health LLC and an equal number of shares of Class B Common Stock of Adeptus Health Inc., which together are exchangeable on a one-for-one basis for shares of Class A Common Stock of Adeptus Health Inc. pursuant to the Amended and Restated Limited Liability Company Agreement of Adeptus Health LLC.</footnote>
        <footnote id="F2">Units of Adeptus Health LLC are held by 5-N Investments LLC, which is managed by Dr. Jacob John Novak.  Dr. Novak disclaims beneficial ownership of the securities reported herein, except to the extent of his pecuniary interest therein.  The filing of this statement shall not be deemed to be an admission that, for purposes of Section 16 of the Securities Exchange Act of 1934 or otherwise, Dr. Novak is the beneficial owner of any securities reported herein.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Jacob John Novak, manager of 5-N Investments, LLC</signatureName>
        <signatureDate>2014-06-25</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>/s/ Jacob John Novak</signatureName>
        <signatureDate>2014-06-25</signatureDate>
    </ownerSignature>
</ownershipDocument>
