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Manage your Medicare benefits

You’ll sign up for Part A and Part B through Social Security. Once enrolled, you’ll manage your benefit plans through Medicare.

Your Medicare information

Get your number

To find your Medicare number, sign in to your Social Security account and view your benefit verification letter.

Get a replacement card

Sign in to your Medicare.gov account to print your Medicare card. You can also contact Medicare and ask them to mail you a replacement.

Make changes to your personal information

Medicare uses the name, address, phone number, and date of birth on your Social Security record. Update your personal record if you have any changes to report.

Cancel Part A or B

Fill out Request for Termination of Premium Hospital Insurance of Supplementary Medical Insurance (Form CMS-1763) (PDF) and fax or mail it to your local Social Security office. You can cancel Part A only if you pay a premium for it. You can cancel Part B at any time.

Report fraud and abuse

File a complaint if you think someone’s giving false information to Medicare.

Other tasks you can complete at Medicare.gov

Visit the Medicare website to:

  • Compare and choose Part C (Medicare Advantage) and Part D (prescription drug coverage) plans.
  • Find Medicare providers.
  • View your claims.
  • View and pay your Medicare bill.