Will MedPAC get a home health representative again? Nominations for the next round of Medicare Payment Advisory Commission members begin Jan. 1. The nomination window closes March 1. New members of the influential advisory body to Congress will serve three-year terms starting May 1. The last time MedPAC had a home carerelated commissioner was when Carol Raphael, CEO of the Visiting Nurse Service of New York, served from 1999 to 2005.