II 116th CONGRESS 1st Session S. 966 IN THE SENATE OF THE UNITED STATES April 1, 2019 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.