Fall 2026 AEP: the enrollment dates for 2027 Medicare coverage

Which year does “2026 AEP” mean?

The fall enrollment window occurs in 2026, but selections generally take effect January 1, 2027 when the plan receives the request by December 7. Label appointments and comparison documents with both the enrollment window and the coverage year to avoid reviewing the wrong benefits.

Do not confuse AEP with other enrollment periods

Medicare Advantage Open Enrollment is a different period, generally January 1–March 31 for people already enrolled in Medicare Advantage. Initial and Special Enrollment Periods have their own eligibility and timing. Verify the individual’s applicable enrollment opportunity rather than assuming AEP rules cover every situation.

Our suggested preparation routine

Create a worklist for requested reviews. For each appointment, record the intended coverage year, documents still needed, unresolved questions and who owns the next step. Keep a separate list for people whose enrollment timing needs verification. Check the official enrollment page linked below before advising on a specific deadline.

Use a date in every comparison

Write the coverage year and date checked on the comparison. Keep the original source accessible to the agent completing the application. This simple practice makes it easier to catch an outdated summary or a saved document from last year before it is used in a customer conversation.

Official sources

Source links checked October 1, 2026. Official guidance and applicable plan documents take priority over this summary.

• Medicare.gov: enrollment periods and coverage start dates