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S. 3350 119th Congress Senate

ACO Assignment Improvement Act of 2025

Official title: 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 s… Show full official titleShow less

Official title: 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.

Introduced: December 4, 2025 Introduced by: John Barrasso Republican · Wyoming See on congress.gov
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 Everywhere this bill has been 3 steps
Introduced
In committee
Reported out
Passed House
Passed Senate
To President
Became law
Dec 4, 2025
Dec 4, 2025
Read twice and referred to the Committee on Finance. (text: CR S8512)
Dec 4, 2025
Introduced in Senate
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What's happening now December 4, 2025

Read twice and referred to the Committee on Finance. (text: CR S8512)

 Plain-English summary Congressional Research Service

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.

 Related & companion bills 1
  • HR 4773 ACO Assignment Improvement Act of 2025
 Bill text 1 version

Source documents hosted by congress.gov.

 Committees of jurisdiction 1
 Lobbying activity 28

Registered lobbyists who named this bill in their disclosure filings. Source: federal Lobbying Disclosure Act filings.

Bodies those filers lobbied

A filing lists the bills it worked on and the parts of government it contacted in separate sections, so these are the bodies those filers named anywhere in the filing, not a per-bill breakdown.

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 Cosponsors 1
All 1 Democratic 1
D
Whitehouse, Sheldon
Rhode Island · Dec 4, 2025
Cite this page click to expand
APA
U.S. Congress. (2026). S. 3350: ACO Assignment Improvement Act of 2025. 119th Congress. Open America. https://openamerica.io/bill/119-S-3350/
MLA
"S. 3350: ACO Assignment Improvement Act of 2025." 119th Congress, 2026, Open America, https://openamerica.io/bill/119-S-3350/.
Bluebook (legal)
S. 3350, 119th Cong. (2026), https://openamerica.io/bill/119-S-3350/.
Markdown link
[S. 3350: ACO Assignment Improvement Act of 2025](https://openamerica.io/bill/119-S-3350/)
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