As filed with the Securities and Exchange Commission on October 16, 2003
================================================================================

                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549

                               AMENDMENT NO. 4 TO
                                   SCHEDULE TO

                             TENDER OFFER STATEMENT
                       UNDER SECTION 14(D)(1) OR 13(E)(1)
                     OF THE SECURITIES EXCHANGE ACT OF 1934


                          AMN HEALTHCARE SERVICES, INC.
                   (Name of Subject Company and Filing Person)


COMMON STOCK, PAR VALUE $0.01 PER SHARE       OPTIONS TO PURCHASE COMMON STOCK
  (Title of Class of Securities)               (Title of Class of Securities)


                001744101                                   NONE
  (CUSIP Number of Class of Securities)    (CUSIP Number of Class of Securities)


                                 DONALD R. MYLL
                           CHIEF FINANCIAL OFFICER AND
                            CHIEF ACCOUNTING OFFICER
                          AMN HEALTHCARE SERVICES, INC.
                        12400 HIGH BLUFF DRIVE, SUITE 100
                           SAN DIEGO, CALIFORNIA 92130
                                 (858) 720-1613

                                 WITH A COPY TO:
                              JOHN C. KENNEDY, ESQ.
                  PAUL, WEISS, RIFKIND, WHARTON & GARRISON LLP
                           1285 AVENUE OF THE AMERICAS
                            NEW YORK, NEW YORK 10019
                                 (212) 373-3000

   (Name, Address and Telephone Number of Person Authorized to Receive Notices
                   and Communications on Behalf of the Bidder)


                            CALCULATION OF FILING FEE
================================================================================
   TRANSACTION VALUATION (1)                     AMOUNT OF FILING FEE (2)
- --------------------------------------------------------------------------------
        $180,000,000                                     $14,562
================================================================================

(1)   AMN Healthcare Services, Inc. intends to purchase, for cash, up to $175.0
      million of its common stock, par value $0.01 per share, and up to $5.0
      million of certain vested and exercisable options to purchase its common
      stock.

(2)   Previously paid.

|_|   Check box if any part of the fee is offset as provided by Rule 0-11(a)(2)
      and identify the filing with which the offsetting fee was previously paid.
      Identify the previous filing by registration statement number, or the form
      or schedule and the date of its filing.

            Amount Previously Paid:        None        Filing Party:     N/A
            Form or Registration No.:      N/A         Date Filed:       N/A


|_|   Check the box if the filing relates solely to preliminary communications
      made before the commencement of a tender offer.

Check the appropriate boxes below to designate any transactions to which the
statement relates:

      |_|   third-party tender offer subject to Rule 14d-1.

      |X|   issuer tender offer subject to Rule 13e-4.

      |_|   going-private transaction subject to Rule 13e-3.

      |_|   amendment to Schedule 13D under Rule 13d-2.

Check the following box if the filing is a final amendment reporting the results
of the tender offer: |X|

This Amendment No. 4 ("Amendment No. 4") to Tender Offer Statement on Schedule TO relates to the offer by AMN Healthcare Services, Inc., a Delaware corporation (the "Company"), to purchase an aggregate of $180.0 million of its securities consisting of (1) up to $175.0 million of its common stock, par value $0.01 per share ("Shares"), at a price of $18.00 per Share, net to the seller in cash, without interest and (2) up to $5.0 million of certain vested and exercisable options ("Options") to purchase Shares at a price equal to $18.00, less the applicable exercise price of such Option, net to the seller in cash, without interest, in each case, upon the terms and subject to the conditions set forth in the Amended and Restated Offer to Purchase, dated September 19, 2003, and the related Letter of Transmittal, as amended. This Amendment No. 4 amends and supplements the Schedule TO filed by the Company on September 4, 2003 and amended on each of September 19, 2003, October 2, 2003 and October 9, 2003. This Amendment No. 4 is intended to satisfy the reporting requirements of Rule 13e-4(c)(4) of the Securities Exchange Act of 1934. ITEM 4. TERMS OF THE TRANSACTION. The tender offer expired at 12:00 midnight, Eastern Time, on October 8, 2003. Based on the final count by Mellon Investor Services LLC, the depositary for the tender offer, 36,273,661 Shares, representing an aggregate purchase price of $652.9 million, were properly tendered and not withdrawn. In addition, Options to purchase 1,249,809 Shares, representing an aggregate purchase price of $15.8 million, were properly tendered and not withdrawn. The Company accepted for purchase 9,722,222 Shares for an aggregate purchase price of $175.0 million and Options to purchase 376,029 Shares for an aggregate purchase price of $5.0 million. As a result of the completion of the tender offer, immediately following payment for the tendered Shares and Options, 28,120,340 Shares will be authorized and issued, and, of the stock options eligible to be tendered, stock options to purchase 2,762,001 Shares will remain outstanding. ITEM 11. ADDITIONAL INFORMATION. On October 16, 2003 the Company issued a press release announcing the final results of the tender offer. The press release is filed as Exhibit (a)(1)(V) to this Amendment No. 4 to Schedule TO and is incorporated herein by reference. ITEM 12. EXHIBITS. EXHIBIT NUMBER DESCRIPTION -------------- -------------------------------------------- (a)(1)(V) Press Release, dated as of October 16, 2003, by the Company.

SIGNATURE After due inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct. Dated: October 16, 2003 AMN HEALTHCARE SERVICES, INC. By: /s/ Donald R. Myll ---------------------------- Donald R. Myll Chief Financial Officer and Chief Accounting Officer 2

EXHIBIT INDEX EXHIBIT NUMBER DESCRIPTION -------------- -------------------------------------------- (a)(1)(V) Press Release, dated as of October 16, 2003, by the Company.

                                                               EXHIBIT (a)(1)(V)
                                                               -----------------


                                  PRESS RELEASE


                                  Contact:  Donald R. Myll or Joseph F. Marino
                                            (866) 861-3229




                     AMN HEALTHCARE SERVICES, INC. ANNOUNCES
                       FINAL RESULTS OF SELF TENDER OFFER

         San Diego, CA (October 16, 2003) - AMN Healthcare Services, Inc. (NYSE:
AHS) today announced the final results of its tender offer, which expired
October 8, 2003. In the tender offer, AMN offered to purchase up to an aggregate
of $180.0 million of securities, consisting of $175.0 million of shares of its
common stock, par value $0.01 per share, and $5.0 million of vested and
exercisable employee stock options with exercise prices of less than $18.00 per
share. The purchase price for common stock in the tender offer was $18.00 per
share, and the purchase price for stock options was equal to $18.00 per option
less the applicable exercise price of such option, in each case, net to the
seller in cash, without interest.

         Based on the final count by Mellon Investor Services LLC, the
depositary for the tender offer, 36,273,661 shares of common stock, representing
an aggregate purchase price of $652.9 million, were properly tendered and not
withdrawn. In addition, stock options to purchase 1,249,809 shares of common
stock, representing an aggregate purchase price of $15.8 million, were properly
tendered and not withdrawn. AMN accepted for purchase 9,722,222 shares of common
stock, or approximately 26.8% of the shares properly tendered and not withdrawn,
for an aggregate purchase price of $175.0 million. AMN accepted for purchase
stock options to purchase 376,029 shares of common stock for an aggregate
purchase price of $5.0 million, or approximately 31.6% of the value of the
options properly tendered and not withdrawn.

         The shares of common stock accepted for purchase represent
approximately 25.7% of AMN's 37,842,562 shares of common stock authorized and
issued as of October 8, 2003. The stock options accepted for purchase represent
approximately 12.0% of the 3,138,030 stock options eligible to be tendered as of
September 2, 2003. As a result of the completion of the tender offer,
immediately following payment for the tendered shares of common stock and stock
options, 28,120,340 shares of AMN common stock will be authorized and issued,
and, of the stock options eligible to be tendered, stock options to purchase
2,762,001 shares of AMN common stock will remain outstanding.

ABOUT AMN

         AMN is the largest nationwide provider of travel healthcare staffing
services. AMN recruits nurses and allied health professionals nationally and
internationally and places them on temporary assignments, typically for 13
weeks, at acute-care hospitals and healthcare facilities throughout the United
States.

CAUTIONARY STATEMENT This press release contains certain "forward-looking statements." AMN has tried, whenever possible, to identify these forward-looking statements using words such as "anticipates," "believes," "estimates," "projects," "expects," "plans," "intends" and similar expressions. Similarly, statements herein that describe AMN's business strategy, outlook, objectives, plans, intentions or goals are also forward-looking statements. Accordingly, such forward-looking statements involve known and unknown risks, uncertainties and other factors which could cause AMN's actual results, performance or achievements to differ materially from those expressed in, or implied by, such statements. These risks and uncertainties may include, but are not limited to: AMN's ability to continue to recruit and retain qualified temporary healthcare professionals and ability to attract and retain operational personnel; AMN's ability to enter into contracts with hospitals and other healthcare facility clients on terms attractive to AMN and to secure orders related to those contracts; the attractiveness to hospitals and healthcare facility clients of AMN's services; changes in the timing of hospital and healthcare facility clients' orders for and AMN's placement of temporary healthcare professionals; the general level of patient occupancy at AMN's hospital and healthcare facility clients' facilities; the overall level of demand for services offered by temporary healthcare providers; AMN's ability to successfully implement its acquisition and integration strategies; the effect of existing or future government regulation of the healthcare industry, and AMN's ability to operate in compliance with these regulations; the impact of medical malpractice and other claims asserted against AMN; and AMN's ability to carry out its business strategy, including adapting to an increasingly competitive environment. These statements reflect AMN's current beliefs and are based upon information currently available to it. Be advised that developments subsequent to this release are likely to cause these statements to become outdated with the passage of time.