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

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2022-02-14</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001516513</issuerCik>
        <issuerName>Doximity, Inc.</issuerName>
        <issuerTradingSymbol>DOCS</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001401366</rptOwnerCik>
            <rptOwnerName>EMERGENCE CAPITAL PARTNERS II LP</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O EMERGENCE CAPITAL</rptOwnerStreet1>
            <rptOwnerStreet2>160 BOVET ROAD, SUITE 300</rptOwnerStreet2>
            <rptOwnerCity>SAN MATEO</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94402</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001858911</rptOwnerCik>
            <rptOwnerName>Emergence Capital Opportunity I, L.P.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O EMERGENCE CAPITAL</rptOwnerStreet1>
            <rptOwnerStreet2>160 BOVET ROAD, SUITE 300</rptOwnerStreet2>
            <rptOwnerCity>SAN MATEO</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94402</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001589107</rptOwnerCik>
            <rptOwnerName>EMERGENCE EQUITY PARTNERS II, L.P.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O EMERGENCE CAPITAL</rptOwnerStreet1>
            <rptOwnerStreet2>160 BOVET ROAD, SUITE 300</rptOwnerStreet2>
            <rptOwnerCity>SAN MATEO</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94402</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001868563</rptOwnerCik>
            <rptOwnerName>Emergence Equity Partners VI, L.P.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O EMERGENCE CAPITAL</rptOwnerStreet1>
            <rptOwnerStreet2>160 BOVET ROAD, SUITE 300</rptOwnerStreet2>
            <rptOwnerCity>SAN MATEO</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94402</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001589115</rptOwnerCik>
            <rptOwnerName>EMERGENCE GP PARTNERS, LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O EMERGENCE CAPITAL</rptOwnerStreet1>
            <rptOwnerStreet2>160 BOVET ROAD, SUITE 300</rptOwnerStreet2>
            <rptOwnerCity>SAN MATEO</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94402</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Class A Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2022-02-14</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>C</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>1928000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.00</value>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>1928000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By Emergence Capital Partners II, L.P.</value>
                    <footnoteId id="F2"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Class A Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2022-02-14</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>J</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>1928000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.00</value>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>0</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By Emergence Capital Partners II, L.P.</value>
                    <footnoteId id="F2"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Class A Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>775000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By Emergence Capital Opportunity I, L.P</value>
                    <footnoteId id="F3"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Class B Common Stock</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F4"/>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2022-02-14</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>C</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>1928000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F4"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F4"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Class A Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>1928000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>22174728</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By Emergence Capital Partners II, L.P.</value>
                    <footnoteId id="F2"/>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">On February 14, 2022, Emergence Capital Partners II, L.P. (&quot;ECP II&quot;) converted in the aggregate 1,928,000 shares of the Issuer's Class B Common Stock into 1,928,000 shares of the Issuer's Class A Common Stock.  Subsequently on the same date, ECP II distributed in-kind, without consideration, all 1,928,000 shares of Class A Common Stock pro-rata to its partners, including its limited partners and its general partner, Emergence Equity Partners II, L.P. (&quot;EEP II&quot;), in accordance with the exemptions under Rule 16a-9 and Rule 16a-13 of the Securities Exchange Act of 1934, as amended.  Upon receipt by EEP II of its pro rata interest of the distribution (353,763 shares of Class A Common Stock), EEP II distributed in-kind, without consideration, all such shares pro-rata to its limited partners in accordance with the exemptions under Rule 16a-9 and Rule 16a-13 of the Securities Exchange Act of 1934, as amended.</footnote>
        <footnote id="F2">These shares are held directly by ECP II. The sole general partner of ECP II is EEP II, and the sole general partner of EEP II is Emergence GP Partners, LLC (&quot;EGP&quot;). Each of EEP II and EGP disclaims Section 16 beneficial ownership of the shares held by ECP II, except to the extent, if any, of its pecuniary interest therein, and this report shall not be deemed an admission that it is the beneficial owner of such shares for Section 16 or any other purpose.</footnote>
        <footnote id="F3">These shares are held directly by Emergence Capital Opportunity I, L.P. (&quot;ECO I&quot;). The sole general partner of ECO I is Emergence Equity Partners VI, L.P. (&quot;EEP VI&quot;), and the sole general partner of EEP VI is EGP.  Each of EEP VI and EGP disclaims Section 16 beneficial ownership of the shares held by ECO I, except to the extent, if any, of its pecuniary interest therein, and this report shall not be deemed an admission that it is the beneficial owner of such shares for Section 16 or any other purpose.</footnote>
        <footnote id="F4">Each share of Class B Common Stock is convertible into one share of Class A Common Stock at any time at the option of the holder, and has no expiration. Each share of Class B Common Stock held by the Reporting Person will automatically convert into one share of Class A Common Stock, upon the following: (1) the sale or transfer of such share of Class B Common Stock, except for certain permitted transfers described in the Issuer's amended and restated certificate of incorporation; (2) the death or incapacity of the Reporting Person; and (3) on the final conversion date, defined as the earlier of (a) the tenth anniversary of the effectiveness of the registration statement in connection with the IPO; or (b) the date specified by a vote of the holders of at least 66 2/3% of the outstanding shares of Class B Common Stock, voting as a single class.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>EMERGENCE CAPITAL PARTNERS II, L.P. By: Emergence Equity Partners II, L.P., its General Partner By: Emergence GP Partners, LLC, its General Partner By: /s/ David Singer, Attorney-in-Fact</signatureName>
        <signatureDate>2022-02-16</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>EMERGENCE CAPITAL OPPORTUNITY I, L.P. By: Emergence Equity Partners VI, L.P., its General Partner By: Emergence GP Partners, LLC, its General Partner By: /s/ David Singer, Attorney-in-Fact</signatureName>
        <signatureDate>2022-02-16</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>EMERGENCE EQUITY PARTNERS II, L.P. By: Emergence GP Partners, LLC, its General Partner By: /s/ David Singer, Attorney-in-Fact</signatureName>
        <signatureDate>2022-02-16</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>EMERGENCE EQUITY PARTNERS VI, L.P. By: Emergence GP Partners, LLC, its General Partner By: /s/ David Singer, Attorney-in-Fact</signatureName>
        <signatureDate>2022-02-16</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>EMERGENCE GP PARTNERS, LLC By: /s/ David Singer, Attorney-in-Fact</signatureName>
        <signatureDate>2022-02-16</signatureDate>
    </ownerSignature>
</ownershipDocument>
