AMN Healthcare Services (AMN) 10-Q 2008 Q2 Quarterly report

Exhibit 32.2

AMN Healthcare Services, Inc.

CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO SECTION 906

OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Quarterly Report of AMN Healthcare Services, Inc. (the “Company”) on Form 10-Q for the period ended June 30, 2008, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, David C. Dreyer, Chief Accounting Officer, Chief Financial Officer and Treasurer of the Company, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that:

(1) The Report fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

(2) The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Date: August 8, 2008

/s/    DAVID C. DREYER        

David C. Dreyer

Chief Accounting Officer,

Chief Financial Officer and Treasurer

(Principal Accounting and Financial Officer)