119th CONGRESS
1st Session
S. 3350


To amend title XVIII of the Social Security Act to improve the way beneficiaries are assigned under the Medicare shared savings program by also basing such assignment on primary care services furnished by nurse practitioners, physician assistants, and clinical nurse specialists.


IN THE SENATE OF THE UNITED STATES

December 4, 2025

Mr. Barrasso (for himself and Mr. Whitehouse) 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 improve the way beneficiaries are assigned under the Medicare shared savings program by also basing such assignment on primary care services furnished by nurse practitioners, physician assistants, and clinical nurse specialists.

Be it enacted by the Senate and House of Representatives of the United States of America in Congress assembled,

SECTION 1. Short title.

This Act may be cited as the “ACO Assignment Improvement Act of 2025”.

SEC. 2. Improvements to the assignment of beneficiaries under the Medicare shared savings program.

Section 1899(c)(1) of the Social Security Act (42 U.S.C. 1395jjj(c)(1)) is amended—

(1) in subparagraph (A), by striking “and” at the end;

(2) in subparagraph (B), by striking the period at the end and inserting “; and”; and

(3) by adding at the end the following new subparagraph:

“(C) in the case of performance years beginning on or after January 1, 2026, primary care services provided under this title by an ACO professional described in subsection (h)(1)(B).”.