On July 30, 2008, NightHawk Radiology Holdings, Inc. issued a press release announcing its financial results for the quarter ended June 30, 2008. A copy of the press release is furnished as Exhibit 99.1 and is incorporated herein by reference.

The company is making reference to non-GAAP financial information in both the press release and on the conference call. A reconciliation of non-GAAP financial measures contained in the press release to the comparable GAAP financial measures is contained in the attached press release and a reconciliation of this and other non-GAAP financial information provided on the conference call is contained on the company's Investor Relations web page at www.nighthawkrad.net.

The information provided under Item 2.02 in this Form 8-K and the Exhibit attached hereto is furnished and shall not be deemed "filed" for purposes of
Section 18 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or otherwise subject to the liability of that section, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as expressly set forth by specific reference in such filing.

(d) Exhibits

                   Exhibit
                   Number    Description

                    99.1     Press release dated July 30, 2008