PSYCHIATRIC SOLUTIONS, INC. 424B3

Pursuant to Rule 424(b)(3)
Registration No. 333-111679

SUPPLEMENT TO PROSPECTUS

DATED JANUARY 29, 2004

PSYCHIATRIC SOLUTIONS, INC.

4,932,932 Shares

Common Stock

The prospectus, dated January 29, 2004 (the “Prospectus”), to which this supplement, dated April 2, 2004, is attached (the “Supplement”), relates to the resale by the holders thereof of up to an aggregate of 4,891,502 shares of common stock, $.01 par value per share (“Common Stock”), of Psychiatric Solutions, Inc. (the “Company”) that are issuable upon the conversion of the Company’s series A convertible preferred stock and 41,430 shares of Common Stock that are held by certain of the selling stockholders. This Supplement together, with the Prospectus, is to be used by certain holders of Common Stock or by their transferees, pledgees, donees or their successors in connection with the offer and sale of Common Stock. You should read this Supplement in conjunction with the Prospectus. This Supplement is qualified by reference to the Prospectus except to the extent that the information in this Supplement supersedes the information contained in the Prospectus.

The table appearing under the heading “Selling Stockholders” in the Prospectus is hereby amended and superseded in part by the information appearing in the table below.

Percentage of

Common Stock

Number of Shares of

Beneficially

Common Stock

Common Stock That

Owned Assuming

Name of Selling

Beneficially

May Be Sold

Completion of This

Stockholder

Owned(1)

Pursuant Hereto

Offering

Oak Investment Partners X, Limited Partnership(2)

522 Fifth Avenue Fund LP

1,355

Abbott Capital Private Equity Fund III, L.P., by Abbott Capital Management, LLC as Investment Manager

15,588

Abbott Capital Private Equity Fund III, L.P., by Abbott Capital Management, LLC as Investment Manager - 04/01/03

427

Abbott Capital Private Equity Fund III, L.P., by Abbott Capital Management, LLC as Investment Manager - 01/01/04

1,068


					Percentage of
					Common Stock
	Number of Shares of		Number of Shares of		Beneficially
	Common Stock		Common Stock That		Owned Assuming
Name of Selling	Beneficially		May Be Sold		Completion of This
Stockholder	Owned(1)		Pursuant Hereto		Offering
Alaska State Pension Investment Board by Abbott Capital Management, LLC as Investment Manager		11,691		11,691		*
Alaska State Pension Investment Board by Abbott Capital Management, LLC as Investment Manager - 04/01/03		320		320		*
Alaska State Pension Investment Board by Abbott Capital Management, LLC as Investment Manager - 01/01/04		801		801		*
Asset Management Private Equity, L.P.		7,794		7,794		*
ATWILL CSFB Private Equity Partners, L.P.		3,897		3,897		*
Auda Ventures L.P.		7,794		7,794		*
BancBoston Investments Inc.		4,754		4,754		*
BAS Oak X, LLC		24,279		24,279		*
President and Trustees of Bates College		2,339		2,339		*
BM-CSAM Private Equity Fund, L.P.		3,897		3,897		*
Trustees of Boston University		2,339		2,339		*
BSC Venture Fund LLC		4,513		4,513		*
California Emerging Ventures II, LLC		19,485		19,485		*
Cambria Investors, LLC		779		779		*
Hamilton Lane–Carpenters Partnership Fund, L.P.		3,897		3,897		*
CDB Web Tech International L.P.		7,794		7,794		*
CGI Private Equity L.P. LLC		15,588		15,588		*
The Trustees of the Cheyne Walk Trust		3,897		3,897		*
Mellon Bank N.A., solely in its capacity as Custodian for The Children’s Hospital Foundation (as directed by The Children’s
Hospital Foundation), and not it its individual capacity		3,897		3,897		*
The Church Pension Fund		11,691		11,691		*
Citicorp Citigroup Investments		3,897		3,897		*
Citigroup Pension Plan		3,897		3,897		*
Commonfund Capital Partners 1999, L.P. By: Fairfield Partners 1999, its General Partner		195		195		*


					Percentage of
					Common Stock
	Number of Shares of		Number of Shares of		Beneficially
	Common Stock		Common Stock That		Owned Assuming
Name of Selling	Beneficially		May Be Sold		Completion of This
Stockholder	Owned(1)		Pursuant Hereto		Offering
Commonfund Capital Venture Partners VI, L.P.		9,353		9,353		*
Constitution Liquidating Fund, L.P.		13,503		13,503		*
JPMorganChase Bank as directed Trustee for the Corning Incorporated Retirement Master Trust		5,846		5,846		*
Credit Suisse Global Post-Venture Capital Fund		1,169		1,169		*
Credit Suisse Trust — Global Post-Venture Capital Portfolio		1,169		1,169		*
Crossroads Constitution Limited Partnership		136		136		*
CSFB Fund Investments VII Holdings, L.P.		9,353		9,353		*
Cutler Oil & Gas Corporation		3,118		3,118		*
Cymi, Ltd.		3,897		3,897		*
Trustees of Dartmouth College		5,456		5,456		*
Diageo Pension Trust Limited		1,520		1,520		*
William S. Dietrich II Revocable Trust		3,118		3,118		*
DLJ Venture Partners A, L.P.		1,628		1,628		*
DLJ Venture Partners B, L.P.		2,269		2,269		*
Alfred I. duPont Trust		7,794		7,794		*
EFG Trust II		1,559		1,559		*
Emory University		23,382		23,382		*
Endowment Venture Partners V, L.P. By: Fairfield Partners 2000, its General Partner		31,177		31,177		*
JPMorganChase Bank, as Trustee for First Plaza Group Trust		19,485		19,485		*
FLAG Venture Partners IV, L.P.		35,074		35,074		*
Gerald R. Gallagher		1,559		1,559		*
HarbourVest Partners VI-Parallel Partnership Fund L.P.		1,461		1,461		*
HarbourVest Partners VI-Partnership Fund, L.P.		18,024		18,024		*
HarbourVest Partners VII — Venture Partnership Fund L.P.		3,897		3,897		*
Employees’ Retirement System of the State of Hawaii, by Abbott Capital Management, LLC as Investment Manger		6,235		6,235		*


					Percentage of
					Common Stock
	Number of Shares of		Number of Shares of		Beneficially
	Common Stock		Common Stock That		Owned Assuming
Name of Selling	Beneficially		May Be Sold		Completion of This
Stockholder	Owned(1)		Pursuant Hereto		Offering
Employees’ Retirement System of the State of Hawaii, by Abbott Capital Management, LLC as Investment Manger - 04/01/03		171		171		*
Employees’ Retirement System of the State of Hawaii, by Abbott Capital Management, LLC as Investment Manger - 01/01/04		427		427		*
Hewlett-Packard Company Group Trust		7,794		7,794		*
HK Capital LLC		1,559		1,559		*
Horsley Bridge Netherlands VII, L.P.		11,691		11,691		*
Horsley Bridge VII, L.P.		46,765		46,765		*
Houston Police Officers Pension System		11,691		11,691		*
Houston Police Officers Pension System - 04/01/03		320		320		*
Houston Police Officers Pension System - 01/01/04		801		801		*
Northern Trust Company for the Illinois Municipal Retirement Fund, by Abbott Capital Management, LLC as Investment Manager		3,897		3,897		*
Northern Trust Company for the Illinois Municipal Retirement Fund, by Abbott Capital Management, LLC as Investment Manager - 04/01/03		107		107		*
Northern Trust Company for the Illinois Municipal Retirement Fund, by Abbott Capital Management, LLC as Investment Manager - 01/01/04		267		267		*
Illinois Municipal Retirement Fund Master Trust		1,715		1,715		*
ING Pomona Private Equity Fund		2,161		2,161		*
International Business Machines Corporation		3,897		3,897		*
JDH Investors I, LLC		4,676		4,676		*
J.P. Morgan Pooled Corporate Finance Institutional Investors LLC		18,110		18,110		*
J.P. Morgan Pooled Corporate Finance Private Investors LLC		5,165		5,165		*
Ewing Marion Kauffman Foundation		5,456		5,456		*


					Percentage of
					Common Stock
	Number of Shares of		Number of Shares of		Beneficially
	Common Stock		Common Stock That		Owned Assuming
Name of Selling	Beneficially		May Be Sold		Completion of This
Stockholder	Owned(1)		Pursuant Hereto		Offering
John S. & James L. Knight Foundation		7,794		7,794		*
Lord Baltimore Venture Capital Partners, LLC		5,846		5,846		*
Board of Fire & Police Pension Commissioners of the City of Los Angeles, by Abbott Capital Management, LLC as Investment Manager		3,897		3,897		*
Board of Fire & Police Pension Commissioners of the City of Los Angeles, by Abbott Capital Management, LLC as Investment Manager - 04/01/03		107		107		*
Board of Fire & Police Pension Commissioners of the City of Los Angeles, by Abbott Capital Management, LLC as Investment Manager - 01/01/04		267		267		*
Los Angeles County Employees Retirement Association		15,588		15,588		*
Mellon Trust of New England, N.A. as Trustee for the Lucent Techologies Inc. Master Pension Trust		66,250		66,250		*
The Lawrenceville School		2,339		2,339		*
Robert S. Mandra		779		779		*
The Markaz/Hamilton Lane Technology Fund, L.P.		1,559		1,559		*
Mathile Family Foundation		2,339		2,339		*
MejeanView LLC		779		779		*
MERS Investment Partnership, L.P.		3,897		3,897		*
Miami Corporation		9,353		9,353		*
Miami Partners, L.P.		390		390		*
State Treasurer of the State of Michigan, Custodian of the Michigan Public School Employees’ Retirement System, State Employees’ Retirement System, and Michigan State Police Retirement System		27,280		27,280		*
Regents of the University of Michigan		7,794		7,794		*


					Percentage of
					Common Stock
	Number of Shares of		Number of Shares of		Beneficially
	Common Stock		Common Stock That		Owned Assuming
Name of Selling	Beneficially		May Be Sold		Completion of This
Stockholder	Owned(1)		Pursuant Hereto		Offering
Boston Safe Deposit and Trust Company, solely in its capacity as Trustee for the Employees Retirement Income Plan Trust of Minnesota Mining and Manufacturing Company, (as directed by 3M Benefit Funds Investment), and not in its individual capacity		19,485		19,485		*
The Mohawk River Fund II L.P.		7,794		7,794		*
Montagu Newhall Global Partners, LP		2,339		2,339		*
Eileen M. More		779		779		*
Moussecapade, L.P.		7,794		7,794		*
Moussescale		3,897		3,897		*
The New Mexico State Investment Council Land Grant Permanent Fund		7,833		7,833		*
The New Mexico State Investment Council Severance Tax Permanent Fund		3,858		3,858		*
The Norinchukin Bank		23,382		23,382		*
Northeastern University		2,339		2,339		*
Northern Trust Corporation		3,507		3,507		*
Northern Trust Private Equity Fund, L.P.		2,339		2,339		*
Northwestern University		15,588		15,588		*
University of Notre Dame du Lac		3,897		3,897		*
Novell, Inc.		7,794		7,794		*
Old Westbury Global Private Equity Fund, LLC		7,794		7,794		*
Old Westbury Venture Capital Fund II, LLC		7,178		7,178		*
Sal Oppenheim Jr. & Cie. KGaA		5,456		5,456		*
Oppenheim Private Equity Holding Blocker GmbH		2,339		2,339		*
Pantheon International Participations PLC		1,949		1,949		*
Pantheon USA Fund IV, L.P.		8,846		8,846		*
Pantheon USA Fund V, L.P.		2,339		2,339		*
PEI Capital Partner II, L.P.		2,339		2,339		*
Lauer & Co. Agent for J.H. Pew Freedom Trust		1,091		1,091		*
Lauer & Co. Agent for J.N. Pew, Jr. Trust		546		546		*


					Percentage of
					Common Stock
	Number of Shares of		Number of Shares of		Beneficially
	Common Stock		Common Stock That		Owned Assuming
Name of Selling	Beneficially		May Be Sold		Completion of This
Stockholder	Owned(1)		Pursuant Hereto		Offering
Lauer & Co. Agent for Mabel Pew Myrin Trust		701		701		*
Lauer & Co. Agent for The Medical Trust		312		312		*
Lauer & Co. Agent for Pew Memorial Trust		5,144		5,144		*
The Pfizer Foundation, Inc.		3,897		3,897		*
Master Trust between Pfizer Inc. and The Northern Trust Company		35,074		35,074		*
Pomona College		4,676		4,676		*
Pomona Partnership Holdings III, L.P.		1,527		1,527		*
Pomona Partnership Holdings III Portfolio, L.P.		8,004		8,004		*
Portfolio Advisors Private Equity Fund, L.P.		3,897		3,897		*
Private Equity Investor PLC		7,794		7,794		*
Private Equity Portfolio Fund III, LLC		6,235		6,235		*
Private Equity Portfolio Technology Fund, LLC		701		701		*
Ramsey Beirne Partners II, LLC		779		779		*
Rensselaer Polytechnic Institute		3,897		3,897		*
Riverwind Investment Pte Ltd		23,382		23,382		*
The Trustees of the Ronald Family Trust B		779		779		*
University of San Francisco		1,559		1,559		*
Boston Safe Deposit and Trust Company, solely in its capacity as Trustee for the SBC Master Pension Trust as directed by Shott Capital Management, LLC and not in its individual capacity		15,588		15,588		*
Shea-Paul Ventures, LLC		7,794		7,794		*
The Board of Trustees of the
Leland Stanford Junior University		19,485		19,485		*
Stichting Pensioenfonds ABP		19,485		19,485		*
Stichting Pensioenfonds voor de Gezondheid, Geestelijke en Maatschappelijke Belangen		19,485		19,485		*
SunAmerica Investments, Inc.		7,249		7,249		*
SunAmerica Venture Fund 2000, L.P.		546		546		*
SVB Strategic Investors Fund, LP		7,794		7,794		*


					Percentage of
					Common Stock
	Number of Shares of		Number of Shares of		Beneficially
	Common Stock		Common Stock That		Owned Assuming
Name of Selling	Beneficially		May Be Sold		Completion of This
Stockholder	Owned(1)		Pursuant Hereto		Offering
TD Capital Private Equity Investors Partnership		4,460		4,460		*
TD Parallel Private Equity Investors Ltd.		3,335		3,335		*
Teacher Retirement System of Texas, a public pension fund and agency of the State of Texas		70,147		70,147		*
The Travelers Indemnity Company		2,599		2,599		*
The Travelers Insurance Company		1,298		1,298		*
United Gulf Investments Limited c/o Brown Brothers Harriman Trust Company (Cayman) Limited		3,897		3,897		*
Utah Retirement Systems, by Abbott Capital Management, LLC as Investment Manager		3,897		3,897		*
Utah Retirement Systems, by Abbott Capital Management, LLC as Investment Manager - 04/01/03		107		107		*
Utah Retirement Systems, by Abbott Capital Management, LLC as Investment Manager - 01/01/04		267		267		*
VenCap 6 Limited		3,897		3,897		*
VenCap 9 Limited		7,794		7,794		*
VCM Treuhand Beteiligungsverwaltung GmbH		11,691		11,691		*
Wachovia Investors, Inc.		3,897		3,897		*
Washington State Investment Board		77,943		77,943		*
University of Washington		4,676		4,676		*
Thomas Weisel Global Growth Partners (A), L.P.		3,317		3,317		*
Thomas Weisel Global Growth Partners (B), L.P.		10,323		10,323		*
The Wellcome Trust Limited, as Trustee of the Wellcome Trust		11,691		11,691		*
Worldwide Oak X Ltd.		1,559		1,559		*
Subtotal		1,247,064		1,247,064
Oak X Affiliates Fund, Limited Partnership(2)
557 Group		90		90		*
Sanjiv Ahuja		90		90		*
David Baylor		90		90		*
Birchwood Family Partnership		90		90		*
Peter and Fay Bisson		269		269		*


					Percentage of
					Common Stock
	Number of Shares of		Number of Shares of		Beneficially
	Common Stock		Common Stock That		Owned Assuming
Name of Selling	Beneficially		May Be Sold		Completion of This
Stockholder	Owned(1)		Pursuant Hereto		Offering
BNY Partners Fund II, LP.		1,211		1,211		*
Ronald F. Borelli		90		90		*
John Christopher Boyle and Amy Marie Boyle, Trustees of the Boyle Family Trust U/D/T dated September 3, 1998		448		448		*
Lawrence V. Calcano		224		224		*
Ricardo C. Calvillo		90		90		*
James A. Cannavino		224		224		*
Harry J. and Deborah A. Carr		224		224		*
Stacey B. Case Living Trust		224		224		*
Andrew Chase and Laura Chase ttees of the Chase 1991 Revocable Trust dtd 4/21/91		224		224		*
Yoon Jung Choi		90		90		*
Matthew L. Clark		90		90		*
Charles Cotton		90		90		*
Paul Lewis Davies III		448		448		*
De Geus — John Family Trust u/a DTD Sept 8, 1999		224		224		*
Steven J. Dietz		90		90		*
Diner P-3 Level One Limited Partnership		448		448		*
Dixon & Carol Doll Family Trust		358		358		*
Frank M. Dunlevy		269		269		*
Emerson Street Ventures		179		179		*
Equity Information Corporation Profit Sharing Plan		90		90		*
ESG INV 2001 LLC		90		90		*
FHP OXA, LLC a Nevada Limited
Liability Company		269		269		*
Jesse M. Fink		448		448		*
Fortenbaugh — Lee Ventures, LLC		224		224		*
The Glenrock Group LLC		224		224		*
Richard B. Gold		90		90		*
Robert Goodman		224		224		*
Hatch Graham		90		90		*
GRBF (Jersey) Limited		179		179		*
Greenfield Family Limited Partnership		448		448		*
Randall A. Hack		90		90		*


					Percentage of
					Common Stock
	Number of Shares of		Number of Shares of		Beneficially
	Common Stock		Common Stock That		Owned Assuming
Name of Selling	Beneficially		May Be Sold		Completion of This
Stockholder	Owned(1)		Pursuant Hereto		Offering
Robert C. Hagerty & Deanna Hagerty as Co-Trustees of The Hagerty
Living Trust dated May 14, 1999		135		135		*
B. Kipling & Mary Ann Hagopian TTEES udt 3/25/88		448		448		*
Michael J. Herling		90		90		*
Basil Horangic		90		90		*
Thomas S. Huseby		90		90		*
Rupin and Pragna Javeri		90		90		*
John H. Johnson		135		135		*
Jones Living Trust		269		269		*
Chiiming Kao		90		90		*
John D. Karcher		448		448		*
Robert W. and Laurie Kitts		90		90		*
Michael R. Kourey and Michele M. Kourey as co-trustees of the Kourey Living Trust dated 1/3/97		135		135		*
Lanza Family Trust UA 11/2/82		66		66		*
Steven E. Lebow		269		269		*
Lewis & Stephanie Holdings Limited Partnership		135		135		*
Richard T. Liebhaber		90		90		*
Stephen J. Luczo		90		90		*
Jerome C. Marcus		269		269		*
MBF Investments, LLC		90		90		*
McEvoy-Worsencroft Family Trust U/A/D 7/29/94		269		269		*
Mejean Corporation		448		448		*
Stanley J. Meresman and Sharon A. Meresman, Trustees of the Meresman Family Trust U/D/T Dated September 13, 1989 as amended		448		448		*
J. Sanford Miller		448		448		*
Matthew D. Miller		135		135		*
Eileen M. More		448		448		*
Rowland T. Moriarty		90		90		*
William F. Murdy		90		90		*
Murphy Family Trust dated 2/17/2000		44		44		*
Arthur Richard Newton and Petra Michel, Trustees, Newton/Michel Family Trust, Dated July 16, 2002		135		135		*


					Percentage of
					Common Stock
	Number of Shares of		Number of Shares of		Beneficially
	Common Stock		Common Stock That		Owned Assuming
Name of Selling	Beneficially		May Be Sold		Completion of This
Stockholder	Owned(1)		Pursuant Hereto		Offering
O’Brien Family Trust		90		90		*
The Samuel J. and Sandra S. Parker Family Trust dated 9/10/82		179		179		*
Caitlin Pincus		269		269		*
The Price Trust utd 10/5/84		269		269		*
Providence Investment Company Limited		448		448		*
QIP II, LLC		179		179		*
Kristin and Kurt Rauschenbach		179		179		*
Douglas O. Reudink		90		90		*
Dave Schaeffer		90		90		*
David and Tracey Scheer		90		90		*
Phyllis Schwartz		21		21		*
Andrew B. Sessions and Rachelle K. Sessions, Trustees w/a/d 1/28/97		135		135		*
Ajit Shah		135		135		*
Nicholas H. Shelness & Maggi Allan		90		90		*
Roderick W. Shepard		269		269		*
The Simonian Living Trust		21		21		*
David R.A. Steadman		135		135		*
Thomas Stemberg Revocable Trust		224		224		*
Steve and Diana Strandberg		179		179		*
J. Leland Strange		179		179		*
Parviz Tayebati		448		448		*
Teton Ventures, LLC		179		179		*
TW Trust		90		90		*
TWP Oak X Investors LLC		179		179		*
Alex Vieux		224		224		*
Andrew M. Vought		269		269		*
John Wallace		135		135		*
James Wei		135		135		*
Alan L. Wurtzel Revocable Trust		179		179		*
Yarmouth Trust		448		448		*
Zisman Equities Group, LP		448		448		*
Subtotal		20,019		20,019
TOTAL		1,267,083		1,267,083

Indicates beneficial ownership of less than 1.0% of the Company’s outstanding common stock.

(1)		Based on the Company’s review of filings with the Securities and Exchange Commission and other information available to the Company, the Company is not aware of any shares beneficially owned by the selling stockholders except as reflected in the table above.

(2)		As of April 2, 2004, Oak Investment Partners X, Limited Partnership and Oak X Affiliates Fund, Limited Partnership have distributed to their limited partners 1,247,064 shares and 20,019 shares, respectively, of the Company’s common stock obtained through the conversion of the Company’s series A convertible preferred stock.

Investing in our common stock involves a high degree of risk.

See “Risk Factors” beginning on page 33 of the Company’s Annual Report on Form 10-K
for the year ended December 31, 2003.

_______________

Neither the Securities and Exchange Commission nor any state securities commission has approved or disapproved of these securities or passed upon the accuracy or adequacy of the prospectus or this prospectus supplement. Any representation to the contrary is a criminal offense.

The date of this Supplement is April 2, 2004