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S. 3350: ACO Assignment Improvement Act of 2025

This bill, titled the ACO Assignment Improvement Act of 2025, proposes changes to the way beneficiaries are assigned under the Medicare Shared Savings Program. The key provisions of the bill include:

Changes to Beneficiary Assignment

The bill amends the criteria for assigning Medicare beneficiaries to Accountable Care Organizations (ACOs). ACOs are groups of doctors, hospitals, and other healthcare providers that come together to provide coordinated care to patients. The goal is to improve care quality while reducing costs.

Currently, beneficiary assignment primarily considers services provided by physicians. This bill aims to enhance this process by:

  • Including primary care services provided by nurse practitioners, physician assistants, and clinical nurse specialists in the assignment criteria.
  • Upgrading the beneficiary assignment rules for performance years starting from January 1, 2026, to ensure that the contributions of various healthcare professionals are recognized.

Impact on Healthcare Provider Roles

The bill acknowledges the expanding role of non-physician providers in delivering primary care services. By including these providers in the assignment process, the bill aims to ensure a more holistic approach to patient care within ACOs.

This change is expected to reflect the realities of modern healthcare, where nurse practitioners and similar roles increasingly provide essential primary care services.

Implementation Timeline

The amendments outlined in the bill would take effect for performance years beginning on or after January 1, 2026. This timeline allows for preparations and adjustments in how ACOs operate and manage their beneficiary assignments.

Overall Goals

The overarching aim of the ACO Assignment Improvement Act of 2025 is to improve healthcare delivery and efficiency in the Medicare program. By refining the criteria for beneficiary assignment, the legislation attempts to foster better care coordination and potentially lead to better health outcomes for patients enrolled in Medicare.

Relevant Companies

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Sponsors

2 bill sponsors

Actions

3 actions

Date Action
Dec. 04, 2025 Introduced in Senate
Dec. 04, 2025 Read twice and referred to the Committee on Finance. (text: CR S8512)
Dec. 04, 2025 None

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