AEP
Timing
Annual Enrollment
October 15 – December 7. Compare, switch, or stay.
The Annual Enrollment Period runs October 15 through December 7 each year. It's when most people can change their Medicare Advantage or Part D plan for the coming year.
Key points
- Switch between Original Medicare and Medicare Advantage.
- Change your Part D plan.
- Changes take effect January 1.
- Plans change formularies, networks, and pricing every year — worth reviewing annually.
Next steps
Related topics
Educational only. This information is not personalized advice. For your specific situation, verify at Medicare.gov or speak with a licensed Medicare professional.