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To appeal a Medicare denial, first identify whether the decision came from Original Medicare, a Medicare Advantage plan, or a Part D prescription drug plan; each has its own first appeal, filing instructions and deadlines. Read the denial notice, follow the appeal directions on it, explain specifically why the decision should change, and attach relevant records or a clinician’s statement. If waiting for a standard review could seriously jeopardize your health, ask about expedited review. If Medicare-covered care is ending too soon, use the separate fast-appeal instructions in the notice instead of treating it as an ordinary denial.
Deadlines differ by appeal type, and the notice for your case is essential. The steps below explain the main routes and what to prepare, but use the current instructions from Medicare or your plan before filing.
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What should I do first after a Medicare denial?
Start by locating the decision notice and identifying the coverage involved. The notice should explain what was denied, why, how to appeal, where or how to submit the request, and the deadline. Do not rely on a deadline from another kind of Medicare appeal: Original Medicare, Medicare Advantage, Part D, and fast appeals for care ending soon have different procedures.
- Identify the coverage and decision. Is the denial from Original Medicare, a Medicare Advantage plan, or a Part D drug plan? Is it a refusal to cover care you have not yet received, a payment decision for care or a drug you already received, or a notice that ongoing services will end?
- Mark the deadline on the notice. Keep the notice and envelope or electronic message. If the deadline is unclear, contact the number or office on the notice or your plan promptly. Do not wait for additional records if that could cause you to miss the filing date; ask how to submit the appeal on time and send supporting material as directed.
- Write a focused explanation. Identify the item, service, or drug, the relevant date or dates, and why you believe the decision was wrong. Address the stated reason for denial rather than sending a general complaint.
- Attach useful support. Depending on the issue, this may include medical records, a doctor’s note, a prescriber’s statement, the original decision, bills, or other information that helps establish why coverage or payment is appropriate.
- Keep a complete copy and proof of submission. Save the appeal, attachments, delivery confirmation or submission receipt, and any follow-up correspondence. If you speak with a representative, note the date, name, and instructions you were given.
Medicare’s general appeals guidance is a useful starting point, but the instructions for your coverage type and the notice in your case determine the route to follow.
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Is a Medicare claim denial the same as a coverage denial?
Not necessarily. An appeal challenges a coverage or payment decision. A claim is a request for payment, which Original Medicare providers usually submit; beneficiaries file their own Original Medicare claims only in limited circumstances. A complaint or grievance is for a different kind of concern, such as service or quality problems. If you disagree with a denial of coverage or payment, use the appeal instructions rather than filing only a complaint.
First work out what decision you are disputing. A denial may concern whether a service will be covered, whether a service already received will be paid for, whether a prescription is covered, or whether ongoing care will stop. Those differences matter: they can change the form of review, the deadline, the decision-maker, and whether a fast process is available. Medicare has separate pages for filing a claim and filing a complaint.
How do I appeal an Original Medicare claim or coverage denial?
The first appeal in Original Medicare is a redetermination by the Medicare Administrative Contractor (MAC). Start with the Medicare Summary Notice (MSN), file by the date shown there, and explain why the item or service should be covered or paid. Medicare’s Original Medicare appeal instructions describe this route.
Level 1: request a redetermination
Read the MSN for the service or item you dispute. It identifies the decision and gives the filing date and instructions for sending your redetermination request. Explain the reason you disagree and include relevant information, such as a doctor’s note or medical records that support coverage. Follow the MSN’s directions about where and how to send the request.
The MAC generally makes its decision within 60 days. If you miss the deadline, Medicare says a late appeal may still be considered for good cause; examples include disability, illness, or an accident. Do not assume an extension applies automatically. Explain the reason for lateness and follow the instructions on the notice or Medicare’s current guidance.
Level 2: request reconsideration by a QIC
If you disagree with the MAC’s decision, you generally have 180 days after receiving the MAC decision letter or MSN to ask for a level 2 reconsideration. The reviewer is a Qualified Independent Contractor (QIC), an independent contractor that did not participate in the first-level decision. Use the reconsideration form or send a written request to the QIC named in the decision notice.
Include your Medicare number, the specific items or services and dates, why you disagree with the decision, supporting evidence, and relevant decision notices or records. The QIC is to send a decision within 60 days after receiving the request. If the QIC does not grant the appeal, later steps may include an Office of Medicare Hearings and Appeals (OMHA) hearing or review. Eligibility, filing instructions, and any applicable amount threshold depend on the case; use the QIC decision notice rather than assuming every case can move to the next level.
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Important difference from Medicare Advantage: after an unfavorable Original Medicare first-level decision, you generally must request the next level yourself. Do not assume the MAC automatically forwards the case.
How do I appeal a Medicare Advantage denial?
A Medicare Advantage plan’s initial coverage decision is called an organization determination. The first appeal is a health plan reconsideration. Follow the plan’s denial notice and member materials; Medicare.gov states that the usual filing period is 65 days from the initial denial notice.
You, a representative, or a health care provider may request an organization determination or appeal, as applicable. In the reconsideration, identify the member and the service and dates at issue, explain why the plan’s decision should change, and include supporting information such as a doctor’s note. Provide representative information if someone is filing or communicating on the member’s behalf. The plan’s notice tells you where and how to submit the request.
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Ask the plan for expedited review if waiting for a standard decision could seriously jeopardize the person’s life or health, or the ability to regain maximum function. If the plan agrees that the fast-review standard is met, it must decide within 72 hours. Tell the plan clearly that you are requesting an expedited appeal and explain the health risk from delay; do not assume that simply writing “urgent” establishes the standard.
Medicare lists these standard decision times for Medicare Advantage initial appeals: 30 days for pre-service appeals, 60 days for payment appeals, and 7 days for Part B drug appeals. A plan may extend the decision period by up to 14 days in some situations and must explain the extension in writing. The kind of appeal matters, so check the notice for the timeline that applies to your case.
If the plan upholds all or part of the denial, it automatically forwards the appeal for level 2 review by an Independent Review Entity (IRE). Read the plan’s decision carefully for what was upheld, what happens next, and any additional instructions. Keep copies of both the original appeal and the plan decision.
See Medicare’s current appeal instructions for Medicare health plans. Plan-specific materials remain important because they explain the submission method and the details for your denial.
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How do I appeal a Medicare Part D prescription drug denial?
The first-level appeal for a Part D drug plan is a redetermination by the plan. You, a representative, or the prescriber can ask the plan to review its decision. Follow the drug denial notice and plan materials, name the medication, explain why you disagree, and include relevant records or a prescriber’s supporting statement where appropriate.
Medicare’s drug-plan guidance lists standard decision times of 7 days for benefit appeals and 14 days for payment appeals. A qualifying expedited appeal generally has a 72-hour decision timeframe. Ask for fast review if waiting may seriously jeopardize health. However, an appeal seeking payment for a drug already received does not qualify for fast review under the Medicare handbook. A request about getting a medication covered before receiving it and a request for reimbursement after purchase are not interchangeable.
If the plan’s redetermination is unfavorable, the next level is reconsideration by a Part D IRE. There is an important deadline discrepancy in the official Medicare materials: the Medicare drug-plan web page summarizes a 60-day period for the level 2 request, while the official Medicare Appeals handbook describes 65 days from the redetermination notice and says a reason is required for a late filing. Because the materials do not state the same period, follow the deadline in your current plan notice and confirm it with the plan promptly. Do not delay filing while trying to resolve the difference.
The Medicare drug-plan appeal page and Medicare Appeals handbook describe the Part D process. Later appeal levels and any financial threshold should be checked against the decision notice and current Medicare instructions, because those details can vary and may change.
How do I get a fast appeal if Medicare-covered services are ending?
If Medicare-covered care is ending and you believe it should continue, use the separate fast-appeal process described in the notice you receive. It applies to disputes about services ending, including hospital, skilled nursing facility, home health, comprehensive outpatient rehabilitation, and hospice services. It is different from asking for expedited review of an ordinary coverage denial.
In a hospital, follow the Important Message from Medicare and file no later than the scheduled discharge day. In other settings, follow the Notice of Medicare Non-Coverage and file no later than noon on the day before the termination date printed on it. The notice’s deadline is critical; a regular appeal filing date does not substitute for it.
A Beneficiary and Family Centered Care–Quality Improvement Organization (BFCC-QIO) reviews the case. It considers why the beneficiary believes coverage should continue, medical records, and information from the provider or plan. Medicare says different rules apply for Medicare Advantage, so follow the plan’s instructions as well as the notice. Read Medicare’s fast-appeal guidance immediately when care is scheduled to end; these deadlines can arrive quickly.
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What should I include in a Medicare appeal?
A persuasive appeal makes it easy for the reviewer to identify the decision and understand the reason it should be changed. The exact requirements depend on the route, so follow the notice and form instructions. A practical checklist is:
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- Who is appealing: beneficiary or member name and Medicare or plan identification details requested by the notice.
- What decision is disputed: the item, service, or drug; dates of service or requested care; and the notice or decision being appealed.
- Why you disagree: a concise explanation responding to the denial reason and stating what outcome you are seeking, such as coverage, payment, or continuation of services.
- Supporting evidence: relevant medical records, clinician or prescriber statements, bills, or other documentation that addresses the decision.
- Representative details: if another person is acting for the beneficiary, include the requested representative information and documentation of authority.
For example, rather than writing only “I disagree with the denial,” identify the denied service and date, explain which part of the decision you believe is incorrect, and point the reviewer to the attached clinical information that supports your request. The goal is not to send every available record; it is to send the information that bears on the particular denial reason. Keep your wording factual and make the requested outcome clear.
Can someone else file or help with my appeal?
Yes. Depending on the appeal type, a representative or health care provider may request review or assist with the process. If someone is representing you, ask Medicare or the plan how to document that authority. Medicare lists CMS-1696 as the form to appoint a representative where applicable; use the relevant notice and route-specific instructions to determine what is needed in your case.
A free State Health Insurance Assistance Program (SHIP) counselor can provide personalized local Medicare counseling. SHIP can help you understand the notice and navigate options, but the beneficiary still needs to protect the filing deadline and follow the instructions for the relevant plan or Medicare route. For an appeal where time is short, contact the plan or the number on the notice while seeking counseling rather than waiting for an appointment.
Which Medicare appeal forms should I use?
Medicare lists several official forms, but there is no single form that applies to every appeal. Follow the decision notice and coverage-specific directions first. The Medicare appeals forms page lists:
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- CMS-20033: Medicare Reconsideration Request.
- OMHA-100: Request for Administrative Law Judge Hearing or Review of Dismissal.
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Forms are resources, not a reason to use the wrong appeal route. For example, Original Medicare’s first appeal is a MAC redetermination, Part D’s first appeal is a plan redetermination, and Medicare Advantage’s first appeal is a plan reconsideration. A fast appeal for services ending soon has its own notice and deadline. If you are unsure which form applies, use the notice or ask the plan or Medicare before submitting.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.What happens if the first appeal is denied?
An unfavorable first decision does not always end the appeal, but the next reviewer and filing step depend on coverage. Read the decision letter as soon as it arrives: it should explain whether another level is available, the deadline, where to send the request, and any applicable threshold or eligibility rules.
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- Original Medicare: you generally request level 2 reconsideration by the QIC yourself, usually within 180 days after receiving the MAC decision letter or MSN.
- Medicare Advantage: if the plan upholds all or part of the denial, it automatically forwards the appeal to an IRE for level 2 review.
- Part D: an unfavorable plan redetermination may be taken to a Part D IRE; use the deadline in the current notice and promptly confirm it with the plan because official Medicare materials reviewed for this guide state different periods.
Do not assume a later level uses the same evidence, form, or deadline as the first one. Send the next request as directed, include the prior decision, and address the reasons the reviewer gave. Later levels may involve different eligibility criteria or amount thresholds, which the decision notice and current official instructions should explain.
How can I avoid common Medicare appeal mistakes?
Most avoidable problems come from treating all Medicare denials alike or letting a deadline pass while gathering information. Use this short check before filing:
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Repair Windows errors before they cause bigger problemsFix Now →Scan for outdated or missing drivers - takes under a minuteDriver Scan →- Do not use a general Medicare deadline. Examples include the MSN date for an Original Medicare redetermination, 65 days from an initial Medicare Advantage denial notice, and a separate level 2 Part D period. These are not universal deadlines.
- Do not confuse expedited review with a fast appeal for ending care. An expedited review asks for a faster decision because delay may seriously jeopardize health. A fast appeal for services ending uses a specific notice and deadline.
- Do not file only a grievance when disputing coverage or payment. A complaint about service or quality does not replace the appeal process for a coverage or payment denial.
- Do not assume a provider has filed for you. Ask who is submitting the request, confirm it was sent, and keep proof.
- Do not rely on an outdated or generic form. Follow the current notice for your plan and decision. Medicare’s handbook and web pages can differ on a detail such as the Part D level 2 deadline, so use the notice and confirm the date with the plan.
- Do not miss the deadline while waiting for perfect documentation. Contact the plan or contractor about timely submission and how to provide additional information, then follow its directions.
Frequently Asked Questions
Can I appeal a Medicare denial after the deadline?
Possibly, but it depends on the appeal route and the reason for the delay. Original Medicare says late appeals may be considered for good cause, with illness, disability, and accident among its examples; explain the circumstances and follow the instructions in the decision notice.
Can I check the status of a Medicare appeal online?
The available status-check method depends on whether Medicare, a contractor, or a private plan is handling the appeal. Use the contact information on your notice or plan card and have the member details and appeal submission date available when you call.
Does appealing a Medicare denial guarantee that treatment will continue?
No. Filing an appeal does not by itself guarantee coverage or continuation of care. For services scheduled to end, use the specific fast-appeal notice immediately and ask the provider or plan what coverage and care arrangements apply while the review is pending.
Can a doctor appeal a Medicare decision for me?
A health care provider may request an organization determination or appeal in Medicare Advantage, and a prescriber can ask a Part D plan to review a drug decision. Whether the provider is acting as your representative is a separate question, so confirm what authorization the plan requires.
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