Skip to content

When is the Medicare annual enrollment period?

The short answer

Medicare's annual enrollment period runs October 15 to December 7, 2026. During those weeks you can switch between Original Medicare and Medicare Advantage, change Medicare Advantage plans, and join, change or drop a Part D drug plan. Changes take effect January 1, 2027.

Updated

Reviewed by the licensed agents at Health Insurance Solutions in Orlando, Florida.

How we research and review

A licensed agent calls you at no cost.

What can I change?

  • Switch from Original Medicare to a Medicare Advantage plan, or the other way around.
  • Switch from one Medicare Advantage plan to another.
  • Join, switch or drop a Medicare Part D prescription drug plan.

Is there a second chance?

If you are in a Medicare Advantage plan, the Medicare Advantage Open Enrollment Period runs January 1 to March 31, 2027. You can switch to a different Medicare Advantage plan or return to Original Medicare. You cannot use it to move from Original Medicare into Medicare Advantage.

What about people turning 65?

Your Initial Enrollment Period is separate. It lasts seven months: the three months before the month you turn 65, your birthday month and the three months after. Signing up early avoids gaps and helps you avoid late penalties on Part B and Part D in many cases.

Why review your plan every year?

Plans can change their premiums, drug lists, networks and extra benefits each January. Your plan sends an Annual Notice of Change in the fall that spells out what is different. Reading it and comparing options is the best way to avoid surprises. Free, unbiased counseling is available from your state's SHIP program, and a licensed agent can compare the plans we offer at no cost to you.

Compare plans

See our Medicare plans

Turning 65 or reviewing your plan? We'll walk through Advantage, Supplement, and Part D side by side.
Free tool

Medicare enrollment window calculator

Enter a birth date to see when your seven-month Initial Enrollment Period starts and ends.

We do not offer every plan available in your area. Any information we provide is limited to those plans we do offer in your area. Please contact Medicare.gov or 1-800-MEDICARE to get information on all of your options.

Talk to a licensed agent

We compare plans, explain the tradeoffs and help you enroll. It costs you nothing.

Get help

Common questions

When does Medicare open enrollment end in 2026?

December 7, 2026. Plan changes made during that period start January 1, 2027.

Can I switch Medicare Advantage plans in January?

Yes, if you are already in a Medicare Advantage plan. You can make one change from January 1 to March 31, 2027.

Do I have to do anything if I like my plan?

No, your coverage continues. It is still worth reading your Annual Notice of Change, because costs and coverage can change.

Sources

Rules change. Confirm dates and eligibility with your marketplace, your state Medicaid agency or Medicare before you enroll.

All articles