II 115th CONGRESS 2d Session S. 2920 IN THE SENATE OF THE UNITED STATES May 22, 2018 Mrs. McCaskill (for herself and Mr. Toomey ) 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 impose certain requirements under the Medicare program with respect to outlier prescribers of opioids.