S. 148 · 114th Congress Medicare DMEPOS Competitive Bidding Improvement Act of 2015 StageIn committee SponsorRob Portman Introduced2015-01-12 Latest action2015-01-12 · Introduced in Senate Follow Summary Text Subjects Cosponsors (8) Votes (0) Actions Cosponsors (8) Rand Paul Current member Senate KY Republican John Thune Current member Senate SD Republican Cory Gardner Former member Senate CO Republican Chuck Grassley Current member Senate IA Republican Michael Bennet Current member Senate CO Democrat Benjamin Cardin Former member Senate MD Democrat Bob Casey Former member Senate PA Democrat John Hoeven Current member Senate ND Republican