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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
 ULng33FcXNULpfwykAgODLRBwHI9clg8grQSrI/8AJ++dPBwL/TOtlQSpN4iBaMp
 iOVejsV//WvvqOE1fokubA==

<SEC-DOCUMENT>0001127602-10-009667.txt : 20100329
<SEC-HEADER>0001127602-10-009667.hdr.sgml : 20100329
<ACCEPTANCE-DATETIME>20100329163456
ACCESSION NUMBER:		0001127602-10-009667
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20100325
FILED AS OF DATE:		20100329
DATE AS OF CHANGE:		20100329

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Schelhammer Steven Karl
		CENTRAL INDEX KEY:			0001400156

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-28740
		FILM NUMBER:		10711031

	MAIL ADDRESS:	
		STREET 1:		5307 COVEVIEW COURT
		CITY:			GREENSBORO
		STATE:			NC
		ZIP:			27407

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			BioScrip, Inc.
		CENTRAL INDEX KEY:			0001014739
		STANDARD INDUSTRIAL CLASSIFICATION:	RETAIL-DRUG STORES AND PROPRIETARY STORES [5912]
		IRS NUMBER:				050489664
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		100 CLEARBROOK ROAD
		CITY:			ELMSFORD
		STATE:			NY
		ZIP:			10523
		BUSINESS PHONE:		914 460 1600

	MAIL ADDRESS:	
		STREET 1:		100 CLEARBROOK ROAD
		CITY:			ELMSFORD
		STATE:			NY
		ZIP:			10523

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	MIM CORP
		DATE OF NAME CHANGE:	19960516
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>form4.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2010-03-25</periodOfReport>

    <notSubjectToSection16>1</notSubjectToSection16>

    <issuer>
        <issuerCik>0001014739</issuerCik>
        <issuerName>BioScrip, Inc.</issuerName>
        <issuerTradingSymbol>BIOS</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001400156</rptOwnerCik>
            <rptOwnerName>Schelhammer Steven Karl</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>100 CLEARBROOK ROAD</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>ELMSFORD</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10523</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isOther>1</isOther>
            <otherText>Former director</otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock, $.0001 Par Value</value>
            </securityTitle>
            <transactionDate>
                <value>2010-03-25</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>10500</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>8.4288</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>10000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock, $.0001 Par Value</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>30000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By the Dori A. Schelhammer Revocable Trust, Dori A. Schelhammer Trustee</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <footnotes></footnotes>

    <ownerSignature>
        <signatureName>/s/ Steven K. Schelhammer</signatureName>
        <signatureDate>2010-03-25</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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