II 115th CONGRESS 1st Session S. 464 IN THE SENATE OF THE UNITED STATES February 28, 2017 Mr. Markey (for himself, Mr. Portman , Mr. Bennet , and Mr. Cornyn ) introduced the following bill; which was read twice and referred to the Committee on Finance A BILL To amend title XVIII of the Social Security Act to provide for a permanent Independence at Home medical practice program under the Medicare program.