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How to Appeal a Medicare Denial: Levels and Deadlines

A denial is not final. Medicare has a five-level appeals process, and most people who appeal never get past the first or second level.

Last reviewed October 30, 2026 · Figures from SSA.gov and CMS.gov

120 daysFirst appeal, Original Medicare
65 daysFirst appeal, Advantage or Part D
180 daysSecond appeal, Original Medicare
60 daysHearing, Council and court

Start with your denial notice

If you have Original Medicare, the denial appears on your Medicare Summary Notice (MSN). If you have a Medicare Advantage or Part D plan, the plan sends its own denial notice. The notice gives your deadline and how to file, so read it first.

Original Medicare (Parts A and B)

LevelWho decidesDeadline to fileDecision time
1. RedeterminationMedicare Administrative Contractor (MAC)120 days from receiving the noticeUsually 60 days
2. ReconsiderationQualified Independent Contractor (QIC)180 days from the redeterminationUsually 60 days
3. HearingAdministrative Law Judge (ALJ)60 days from the reconsiderationA minimum dollar amount, set yearly, applies
4. Medicare Appeals CouncilAppeals Council60 days from the ALJ decision
5. Federal courtU.S. District Court60 days from the Council decisionA higher minimum amount applies

The first two levels have no minimum dollar amount.

Medicare Advantage and Part D plans

You generally have 65 days from the date on the denial notice to ask your plan to reconsider. If the plan upholds a Medicare Advantage denial, it forwards your case to an independent review entity. Later levels (hearing, Council, court) follow the same pattern as Original Medicare.

Fast appeals

How to make your appeal stronger

  1. Ask your doctor for a letter explaining why the service or drug is medically necessary.
  2. Attach your MSN or denial notice, medical records, and any supporting documents.
  3. Keep copies and note dates. Send by a method that gives proof of delivery.
  4. For a drug your Part D plan will not cover, you can first request an exception with a supporting statement from your prescriber.
Missed the deadline? You can ask for an extension by explaining a good cause for filing late, such as a serious illness, or not receiving the notice. File as soon as you can.
Free help is available from your State Health Insurance Assistance Program (SHIP) at shiphelp.org and from 1-800-MEDICARE (1-800-633-4227).

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Official sources