What This Bill Does · Plain English
Summary · Congress.gov
ACO Assignment Improvement Act of 2025 This bill establishes additional requirements for assigning Medicare fee-for-service beneficiaries to accountable care organizations (ACOs) under the Medicare shared savings program. Under current law, the program enables ACOs to receive payments for savings stemming from care coordination and management. The bill requires the basis for assignment to reflect beneficiaries' utilization of not only primary care services provided by ACO physicians, but also those provided by other ACO practitioners—specifically, physician assistants, nurse practitioners, and clinical nurse specialists.
Action Timeline
2025-12-04
Read twice and referred to the Committee on Finance. (text: CR S8512)
2025-12-04
2025-12-04
Introduced in Senate
Frequently Asked Questions
Did S.3350 pass?
S.3350 is still alive. Current stage: COMMITTEE. Pass likelihood: pending.
What does S.3350 do?
ACO Assignment Improvement Act of 2025 This bill establishes additional requirements for assigning Medicare fee-for-service beneficiaries to accountable care organizations (ACOs) under the Medicare shared savings program. Under current law, the program enables ACOs to receive payments for savings stemming from care coordination and management. The bill requires the basis for assignment to reflect beneficiaries' utilization of not only primary care services provided by ACO physicians, but also those provided by other ACO practitioners—specifically, physician assistants, nurse practitioners, and…
Who sponsored S.3350?
S.3350 was sponsored by John Barrasso (R-Wyoming).
Full Bill Text
119 S3350 IS: ACO Assignment Improvement Act of 2025 U.S. Senate 2025-12-04 text/xml EN Pursuant to Title 17 Section 105 of the United States Code, this file is not subject to copyright protection and is in the public domain. II 119th CONGRESS 1st Session S. 3350 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. 1. Short title This Act may be cited as the ACO Assignment Improvement Act of 2025 . 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). .
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