MedPAC Member Solicitation By Debra A. McCurdy on 28 October 2008 Print:Email this postLike this postShare this post on LinkedIn On October 27, 2008, the GAO published a notice soliciting nominations for Medicare Payment Advisory Commission (MedPAC) members for appointments effective May 1, 2009. Letters of nomination should be submitted between January 1 and March 31, 2009.