Improving Transparency and Accuracy in Medicare Part D Spending Act

Thomas Carper

Former member Senate DE Democrat

Joni Ernst

Current member Senate IA Republican

Cory Gardner

Former member Senate CO Republican

Mike Rounds

Current member Senate SD Republican

Angus King

Current member Senate ME Independent

John Thune

Current member Senate SD Republican

Susan Collins

Current member Senate ME Republican

Jerry Moran

Current member Senate KS Republican

Thad Cochran

Former member Senate MS Republican

John Boozman

Current member Senate AR Republican

Tom Cotton

Current member Senate AR Republican

Chuck Grassley

Current member Senate IA Republican

Heidi Heitkamp

Former member Senate ND Democrat

James Lankford

Current member Senate OK Republican

Jon Tester

Former member Senate MT Democrat

Roger Wicker

Current member Senate MS Republican