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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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<SEC-DOCUMENT>0001209191-10-038653.txt : 20100715
<SEC-HEADER>0001209191-10-038653.hdr.sgml : 20100715
<ACCEPTANCE-DATETIME>20100715164713
ACCESSION NUMBER:		0001209191-10-038653
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20100713
FILED AS OF DATE:		20100715
DATE AS OF CHANGE:		20100715

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			NOLAN JOSEPH P
		CENTRAL INDEX KEY:			0001042055

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-32739
		FILM NUMBER:		10954677

	MAIL ADDRESS:	
		STREET 1:		503 N WALNUT RD
		CITY:			KENNETT SQUARE
		STATE:			PA
		ZIP:			19348

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			HealthSpring, Inc.
		CENTRAL INDEX KEY:			0001339553
		STANDARD INDUSTRIAL CLASSIFICATION:	HOSPITAL & MEDICAL SERVICE PLANS [6324]
		IRS NUMBER:				201821898
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		9009 CAROTHERS PARKWAY, SUITE 501
		CITY:			FRANKLIN
		STATE:			TN
		ZIP:			37067
		BUSINESS PHONE:		615-291-7000

	MAIL ADDRESS:	
		STREET 1:		9009 CAROTHERS PARKWAY, SUITE 501
		CITY:			FRANKLIN
		STATE:			TN
		ZIP:			37067
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc4.xml
<DESCRIPTION>FORM 4 SUBMISSION
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2010-07-13</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001339553</issuerCik>
        <issuerName>HealthSpring, Inc.</issuerName>
        <issuerTradingSymbol>HS</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001042055</rptOwnerCik>
            <rptOwnerName>NOLAN JOSEPH P</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O GTCR GOLDER RAUNER, LLC</rptOwnerStreet1>
            <rptOwnerStreet2>300 N. LASALLE ST., SUITE 5600</rptOwnerStreet2>
            <rptOwnerCity>CHICAGO</rptOwnerCity>
            <rptOwnerState>IL</rptOwnerState>
            <rptOwnerZipCode>60654</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2010-07-13</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>5807</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>37820</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">The reporting person received 5,807 shares of restricted common stock as director compensation in connection with his continuing service as a director.  The restrictions with respect to these shares lapse on the earlier of the anniversary of the grant date or the date of the Company's next annual meeting of stockholders.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ J. Gentry Barden, Attorney-in-Fact</signatureName>
        <signatureDate>2010-07-15</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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