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

2025

Final Rule:

Proposed 2025 MPFS Rule

2024

Final Rule:

Statement: Final rule (11/23)
Comments: Proposed rule (09/23)

Final 2024 MPFS Rule

2023

Final Rule:

Webinar: Proposed financial methodology changes for MSSP (07/22)
ACO Guide: Quality Payment Program (MACRA implementation)

Statement: Final rule (11/22)
Comments: Proposed rule (09/22)

Final 2023 MPFS Rule

2022

Final Rule:

Statement: Final rule (11/21)
Comments: Proposed rule (09/21)

Final 2022 MPFS Rule

2021

Final Rule:

Statement: Final rule (12/20)
Comments: Proposed rule (09/20)

Final 2021 MPFS Rule

Other Regulatory Issues

NAACOS member resources

NAACOS public resources

Federal resources

Telehealth

Factsheet: Telehealth & COVID-19 (10/20)
Webinar: Using telehealth to combat COVID-19 (03/20)

ACOs’ Use of Telehealth During COVID-19 (Institute for Accountable Care, 05/21)
Statement for the Record: Hearing on Charting the Path Forward for Telehealth (04/21)
Joint letter: Support for Post-COVID-19 Telehealth Act (08/20)
Policy Principles for Broader Telehealth Coverage (07/20)
Comments: Taskforce on telehealth policy (07/20)

Factsheet: Telehealth in MSSP
Factsheet: Medicare telehealth providers (03/20)

COVID-19

ACOs & the Expiring COVID-19 PHE (04/23)

Joint letter: COVID years in MSSP benchmarks (10/21)

FAQs: CMS Waivers, Flexibilities, and the End of the COVID-19 PHE (05/23)
MSSP: CMS Flexibilities to Fight COVID-19 (02/23)

Health IT & Data

Promoting Interoperability Requirements for ACOs (05/24)
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)


Comments: ONC EHR Reporting Program (09/21)
Comments: Implementation of ADT rule (12/20)
Comments: 2020–2025 Federal Health IT Strategic Plan (03/20)
Statement: ADT final rule (03/20)

Final rule: ONC certification program updates Final rule: ADT notification

Substance Use Disorder

Comments: HIPAA and Part 2 parity proposed rule (01/23)
Joint letter: Access to SUD claims data (10/20)
Joint statement: CARES Act (03/20)

Proposed rule: HIPAA and Part 2 parity (12/22) Final rule: Part 2 changes (07/20)