Start with this
Start by identifying the document. A Medicare Summary Notice or Explanation of Benefits is not a bill. If the document describes a denied claim, follow its appeal instructions and deadline.
Keep these nearby
The bill or notice, its envelope, date of service and any related claim summary. Keep originals and make your notes on a separate sheet.
Your next three steps
Tick a step when you have completed it. These ticks stay only on this page.
Words you can use
Start the conversation
“Can you explain this amount and the decision behind it? If I disagree, what is my next step and deadline?”
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Check the official guidance
Medicare.gov: filing an appeal ↗Medicare.gov: your Medicare Summary Notice ↗
Source checked September 9, 2026. Educational preparation; the responsible agency or plan must confirm your situation.