COEUR D’ALENE, Idaho, April 9 /PRNewswire-FirstCall/ -- NightHawk Radiology Holdings, Inc. (Nasdaq: NHWK - News), a leading provider of radiology solutions to radiology groups and hospitals throughout the United States, today announced that Mr. Charles R. Bland has been appointed as an independent member of the company’s Board of Directors. The company also announced today that it has accepted the resignation of Mr. Christopher Huber from the Board of Directors.