Attached files

file filename
10-Q - FORM 10-Q - NightHawk Radiology Holdings Incd10q.htm
EX-32.1 - CERTIFICATION OF PEO PURSUANT TO SECTION 906 - NightHawk Radiology Holdings Incdex321.htm
EX-31.2 - CERTIFICATION OF PFO PURSUANT TO SECTION 302 - NightHawk Radiology Holdings Incdex312.htm
EX-31.1 - CERTIFICATION OF PEO PURSUANT TO SECTION 302 - NightHawk Radiology Holdings Incdex311.htm
EX-10.40 - PROFESSIONAL SERVICES AGREEMENT - PEACEFIELD RADIOLOGY, LLC - NightHawk Radiology Holdings Incdex1040.htm
EX-10.39 - 2010 PERFORMANCE-BASED INCENTIVE PROGRAM APPROVED BY THE COMPENSATION COMMITTEE - NightHawk Radiology Holdings Incdex1039.htm

Exhibit 32.2

CERTIFICATION OF CHIEF FINANCIAL OFFICER

PURSUANT TO

18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

I, David M. Sankaran, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that the Quarterly Report on Form 10-Q of NightHawk Radiology Holdings, Inc. for the quarter ended March 31, 2010 fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934 and that information contained in such Quarterly Report on Form 10-Q fairly presents in all material respects the financial condition and results of operations of NightHawk Radiology Holdings, Inc.

 

Dated: May 7, 2010

    By:  

/s/    DAVID M. SANKARAN

    Name:   David M. Sankaran
    Title:  

Executive Vice President and Chief Financial Officer

(Principal Financial and Accounting Officer)