-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
 QWQpFZfWt69DxgGz1YGpkUNL3ACMLok3BJqyHHb2g/LqRWP+tCAJqgBponG8bNJF
 UhZex+/dyvwHTJDf236opQ==

<SEC-DOCUMENT>0001014739-05-000078.txt : 20050706
<SEC-HEADER>0001014739-05-000078.hdr.sgml : 20050706
<ACCEPTANCE-DATETIME>20050706161812
ACCESSION NUMBER:		0001014739-05-000078
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20050701
FILED AS OF DATE:		20050706
DATE AS OF CHANGE:		20050706

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			BioScrip, Inc.
		CENTRAL INDEX KEY:			0001014739
		STANDARD INDUSTRIAL CLASSIFICATION:	INSURANCE AGENTS BROKERS & SERVICES [6411]
		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

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			CARFORA ALFRED
		CENTRAL INDEX KEY:			0000947959

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-28740
		FILM NUMBER:		05940953

	BUSINESS ADDRESS:	
		STREET 1:		63 COPPS HILL RD
		CITY:			RIDGEFIELD
		STATE:			CT
		ZIP:			06877
		BUSINESS PHONE:		9144601627

	MAIL ADDRESS:	
		STREET 1:		C/O MIM CORP
		STREET 2:		100 CLEARBROOK ROAD
		CITY:			ELMSFORD
		STATE:			NY
		ZIP:			10523
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2005-07-01</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0000947959</rptOwnerCik>
            <rptOwnerName>CARFORA ALFRED</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1></rptOwnerStreet1>
            <rptOwnerStreet2>100 CLEARBROOK ROAD</rptOwnerStreet2>
            <rptOwnerCity>ELMSFORD</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10523</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>EVP, Eastern Region</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Stock Option (Right to buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>6</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2005-07-01</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>103500</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <value>2007-02-28</value>
                <footnoteId id="F1"/>
            </exerciseDate>
            <expirationDate>
                <value>2015-07-01</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock, par value $0.0001 per share</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>103500</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>103500</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Options commence vesting on February 28, 2006.  Thereafter, such options vest and become exercisable in three equal annual installments.  All or part of these options are subject to forfeiture based on 2005 performance thresholds.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Alfred Carfora</signatureName>
        <signatureDate>2005-07-06</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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