Regulation Resources
ACOs are impacted by a number of regulations governing care delivery and payment. The annual Medicare Physician Fee Schedule (MPFS) Rule includes numerous policies affecting Medicare physician payment and changes to the Medicare Shared Savings Program (MSSP). This webpage also includes resources on key regulatory issues for ACOs, including telehealth, COVID-19 and the public health emergency (PHE), health IT and data, and substance use disorder.
Medicare Physician Fee Schedule
NAACOS member resources
NAACOS public resources
CMS resources
2026
Summaries
- A Summary of the CY 2026 Medicare Physician Fee Schedule (PFS) Proposed Rule – Payment Provisions (7/25)
- A Summary of the CY 2026 Medicare Physician Fee Schedule (PFS) Proposed Rule – Quality Program Provisions (7/25)
- A Summary of the CY 2026 Medicare Physician Fee Schedule (PFS) Proposed
Rule – Ambulatory Specialty Model Proposal (7/24)
2025
- Comments: Proposed rule (09/24)
2024
Statement: Final rule (11/23)
Comments: Proposed rule (09/23)
2023
Statement: Final rule (11/22)
Comments: Proposed rule (09/22)
2022
Statement: Final rule (11/21)
Comments: Proposed rule (09/21)
2021
Statement: Final rule (12/20)
Comments: Proposed rule (09/20)
Other Regulatory Issues
NAACOS member resources
NAACOS public resources
Federal resources
Health Technology Ecosystem
Health Data Technology, and Interoperability (HTI-2, HTI-3, and HTI-4) Rules (08/25)
Information Blocking for ACOs (08/24)
Coalition letter to CMS: Repeal new PI requirements (04/24)
Health IT “Information Blocking” Rules: What ACOs Need to Know (11/23)
Information Blocking Disincentives proposed rule (01/24)
Summary: Interoperability and Prior Authorization final rule (01/24)
Behavioral Health
Proposed rule: HIPAA and Part 2 parity (12/22)