SECURITIES AND EXCHANGE COMMISSION

Washington, D.C.  20549

SCHEDULE 13G

Under the Securities Exchange Act of 1934

(Amendment No. __ )*

BioScrip, Inc.

(Name of Issuer)

Common Stock

(Title of Class of Securities)

09069N108

(CUSIP Number)

October 9, 2009

(Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

[X]

Rule 13d-1(b)

[X]

Rule 13d-1(c)

[  ]

Rule 13d-1(d)

*	The remainder of this cover page shall be filled out for a reporting person’s initial filing in this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter the disclosures provided in a prior cover page.
	The information required in the remainder of this cover page shall not be deemed to be “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934, as amended (the “Act”), or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act.

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SCHEDULE 13G

CUSIP No. 09069N108

1)

Name of Reporting Person

HEARTLAND ADVISORS, INC.

2)

Check the Appropriate Box if a Member of a Group

(a)  [  ]

(b)  [  ]

3)

SEC Use Only

4)

Citizenship or Place of Organization

WISCONSIN, U.S.A.

Number of Shares Beneficially Owned by Each Reporting Person With:

5)	Sole Voting Power:	None
6)	Shared Voting Power:	7,324,805
7)	Sole Dispositive Power:	None
8)	Shared Dispositive Power:	7,560,705

9)

Aggregate Amount Beneficially Owned by Each Reporting Person

7,560,705

10)

Check if the Aggregate Amount in Row (9) Excludes Certain Shares

Not Applicable

11)

Percent of Class Represented by Amount in Row (9)

19.5%

12)

Type of Reporting Person

IA

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SCHEDULE 13G

CUSIP No. 09069N108

1)

Name of Reporting Person

WILLIAM J. NASGOVITZ

2)

Check the Appropriate Box if a Member of a Group

(a)  [  ]

(b)  [  ]

3)

SEC Use Only

4)

Citizenship or Place of Organization

U.S.A.

Number of Shares Beneficially Owned by Each Reporting Person With:

5)	Sole Voting Power:	None
6)	Shared Voting Power:	7,324,805
7)	Sole Dispositive Power:	None
8)	Shared Dispositive Power:	7,560,705

9)

Aggregate Amount Beneficially Owned by Each Reporting Person

7,560,705

10)

Check if the Aggregate Amount in Row (9) Excludes Certain Shares

Not Applicable

11)

Percent of Class Represented by Amount in Row (9)

19.5%

12)

Type of Reporting Person

IN

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 SCHEDULE 13G

CUSIP No. 09069N108

ITEM 1(a).

Name of Issuer:

BioScrip, Inc.

ITEM 1(b).

Address of Issuer’s Principal Executive Offices:

100 Clearbrook Road

Elmsford, NY 10523

ITEM 2(a).

Names of Persons Filing:

1)

Heartland Advisors, Inc.

2)

William J. Nasgovitz

ITEM 2(b).

Address of Principal Business Office:

All reporting persons may be contacted at 789 North Water Street, Milwaukee, Wisconsin 53202.

ITEM 2(c).

Citizenship or Place of Organization:

Heartland Advisors, Inc. is a Wisconsin corporation.  Mr. Nasgovitz is a United States citizen.

ITEM 2(d).

Title of Class of Securities:

This Statement pertains to the shares of common stock, $0.0001 par value, of BioScrip, Inc.

ITEM 2(e).

CUSIP Number:

09069N108

ITEM 3.

If this statement is filed pursuant to Sections 13d-1(b) or 13d-2(b) or (c), check whether the person filing is a:

	(a)	[  ]	Broker or dealer registered under Section 15 of the Act (15 U.S.C. 78o);
	(b)	[  ]	Bank as defined in Section 3(a)(6) of the Act (15 U.S.C. 78c);
	(c)	[  ]	Insurance company as defined in Section 3(a)(19) of the Act (15 U.S.C. 78c);
	(d)	[  ]	Investment company registered under Section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8);
	(e)	[X]*	An investment adviser in accordance with Section 240.13d-1(b)(1)(ii)(E);
	(f)	[  ]	An employee benefit plan or endowment fund in accordance with Section 240.13d-1(b)(1)(ii)(F);
	(g)	[  ]	A parent holding company or control person in accordance with Section 240.13d-1(b)(1)(ii)(G);

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	(h)	[  ]	A savings association as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);
	(i)	[  ]	A church plan that is excluded from the definition of an investment company under Section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);
	(j)	[  ]	A non-U.S. institution in accordance with Section 240.13d-1(b)(1)(ii)(J);
	(k)	[  ]	Group, in accordance with Section 240.13d-1(b)(1)(ii)(J).
	*	The persons filing this Schedule 13G are Heartland Advisors, Inc., an investment adviser registered with the SEC, and William J. Nasgovitz, President and control person of Heartland Advisors, Inc.  The reporting persons do not admit that they constitute a group.

ITEM 4.

Ownership.

(a)

Amount beneficially owned:

7,560,705 shares may be deemed beneficially owned within the meaning of Rule 13d-3 of the Securities Exchange Act of 1934 by (1) Heartland Advisors, Inc. by virtue of its investment discretion and voting authority granted by certain clients, which may be revoked at any time; and (2) William J. Nasgovitz, by virtue of his control of Heartland Advisors, Inc.  Mr. Nasgovitz disclaims beneficial ownership of any shares reported on the Schedule.

(b)

Percent of Class:  19.5%

(c)

For information on voting and dispositive power with respect to the above listed shares, see Items 5-9 of the Cover Pages.

ITEM 5.

Ownership of Five Percent or Less of a Class.

If this statement is being filed to report the fact that as of the date hereof the reporting person has ceased to be the beneficial owner of more than five percent of the class of securities check the following:  [    ]

ITEM 6.

Ownership of More than Five Percent on Behalf of Another Person.

The clients of Heartland Advisors, Inc., a registered investment adviser, including an investment company registered under the Investment Company Act of 1940 and other managed accounts, have the right to receive or the power to direct the receipt of dividends and proceeds from the sale of shares included on this Schedule.  The Heartland Value Fund, a series of the Heartland Group, Inc., a registered investment company, owns 3,895,000 shares or 10.0% of the class of securities reported herein.  Any remaining shares disclosed in this filing are owned by various other accounts managed by Heartland Advisors, Inc. on a discretionary basis.  To the best of Heartland Advisors' knowledge, none of the other accounts owns more than 5% of the outstanding stock.

ITEM 7.

Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.

Not Applicable.

ITEM 8.

Identification and Classification of Members of the Group.

Not Applicable.

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ITEM 9.

Notice of Dissolution of Group.

Not Applicable.

ITEM 10.

Certifications.

By signing below, Heartland Advisors, Inc. certifies that, to the best of its knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect.

By signing below, William J. Nasgovitz certifies that, to the best of his knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect.

SIGNATURE

After reasonable inquiry and to the best of their knowledge and belief, the undersigned certify that the information set forth in this statement is true, complete and correct.

DATE:  October 13, 2009

WILLIAM J. NASGOVITZ /s/ Paul T. Beste                                                        BY: Paul T. Beste TITLE: As Attorney in Fact for William J. Nasgovitz (Pursuant to Power of Attorney Previously Filed)	HEARTLAND ADVISORS, INC. /s/ Paul T. Beste                                                        BY: Paul T. Beste TITLE: Chief Operating Officer

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EXHIBIT INDEX

Exhibit 1	Joint Filing Agreement

7

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Exhibit 1

JOINT FILING AGREEMENT

In accordance with Rule 13d-1(k)(1) under the Securities Exchange Act of 1934, as amended, each of the undersigned hereby agrees to the joint filing with the other reporting person of a statement on Schedule 13G (including amendments thereto) with respect to the common stock, $0.0001 par value, of BioScrip, Inc., and that this Agreement be included as an Exhibit to such joint filing.

IN WITNESS WHEREOF, the undersigned hereby execute this Agreement this 13th day of October, 2009.

WILLIAM J. NASGOVITZ /s/ Paul T. Beste                                                        BY: Paul T. Beste TITLE: As Attorney in Fact for William J. Nasgovitz (Pursuant to Power of Attorney Previously Filed)	HEARTLAND ADVISORS, INC. /s/ Paul T. Beste                                                        BY: Paul T. Beste TITLE: Chief Operating Officer