Annual Medicare Participation Open Enrollment
The Annual Medicare Participation Open Enrollment Period (mid-November through December 31) is your opportunity to decide if you want to participate in Medicare for the upcoming year.
Medicare "participation" means you agree to accept Medicare-allowed amounts as payment in full for all Medicare-covered services to your patients.
See the information below to help you determine if you want to continue or become a Medicare-participating provider.
- Annual Medicare Participation Announcement | CMS

- Medicare Participating Physician or Supplier Agreement (CMS-460)

Note: No action is required if you aren't changing your current participation status.
Updated: 11.14.2025

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