II 115th CONGRESS 1st Session S. 2051 IN THE SENATE OF THE UNITED STATES November 1, 2017 Mr. Portman (for himself and Mr. Bennet ) 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 modernize the physician self-referral prohibitions to promote care coordination in the merit-based incentive payment system and to facilitate physician practice participation in alternative payment models under the Medicare program, and for other purposes.