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How to file a complaint (grievance)

You can file a complaint if you have a concern about the quality of care or other services you get from a Medicare provider. How you file a complaint depends on what your complaint is about.

You can file a complaint about:

What's the difference between a complaint and an appeal?

A complaint is about the quality of care you got or are getting. For example, you may file a complaint if you have a problem calling the plan or if you're unhappy with how a staff person at the plan has treated you. However, if you have an issue with a plan's refusal to cover a service, supply, or prescription, you file an appeal.

More about appeals

Need help filing a complaint?

Contact your State Health Insurance Assistance Program (SHIP) for free personalized help.


For questions about a specific service you got, look at your Medicare Summary Notice (MSN) or log into If you disagree with a coverage or payment decision made by Medicare, your Medicare health plan, or your Medicare Prescription Drug Plan, you can file an appeal.