II 116th CONGRESS 1st Session S. 3129 IN THE SENATE OF THE UNITED STATES December 19, 2019 Mr. Crapo (for himself, Mr. Enzi , Mr. Burr , Mr. Barrasso , Mr. Tillis , and Mr. Risch ) introduced the following bill; which was read twice and referred to the Committee on Finance A BILL To provide for certain reforms with respect to the Medicare program under title XVIII of the Social Security Act, and for other purposes.