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Annual Enrollment Period (AEP)

The Medicare Annual Enrollment Period runs October 15 through December 7 each year, when Medicare beneficiaries can switch Medicare Advantage or Part D plans for the following year.

Why it matters

Missing AEP generally means waiting until the next enrollment opportunity to change plans, even if a plan's costs or drug coverage changed significantly for the new year.

Example

Someone might use AEP to switch Medicare Advantage plans after their current plan dropped a preferred doctor from its network for the coming year.

Common mistake

A common mistake is confusing Medicare's AEP with the ACA Marketplace's open enrollment period -- they're different programs with different dates and rules.

Quick comparison

TopicAnnual Enrollment Period (AEP)
Coverage areamedicare
Best next stepReview how this term applies to your plan, state, timing, and coverage question.

Questions about Annual Enrollment Period (AEP)

Why should I understand Annual Enrollment Period (AEP) before calling?

Understanding Annual Enrollment Period (AEP) helps you describe your question clearly, compare tradeoffs, and avoid focusing on only one number when a licensed review may need more context.

Can Annual Enrollment Period (AEP) change by plan or policy?

Annual Enrollment Period (AEP) can vary by carrier, plan type, state, network, timing, and policy language, so use this explanation as education rather than a personal coverage decision.

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GetFastRates.com is not connected with or endorsed by the U.S. government or the federal Medicare program. Calling connects you with licensed insurance help. Plan availability, costs, benefits, and enrollment rules can vary by state, carrier, and individual situation.