Contacts & links.
The official phone numbers and websites for the Centers for Medicare & Medicaid Services (CMS) and the Social Security Administration (SSA), the U.S. government agencies that run Medicare and Social Security.
Medicare & Social Security
Get in touch.
- 4Official phone lines
- 11Online services
- 24/7Medicare helpline
Medicare contacts from CMS
Phone numbers
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Medicare helpline1-800-MEDICARE · Open 24 hours a day, 7 days a week.1-800-633-4227
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Medicare TTYFor people who are deaf, hard of hearing or speech-impaired.1-877-486-2048
Online services
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Your Medicare accountMedicare.gov · Check claims, coverage and your Medicare card.Visit site
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Medicare Plan FinderMedicare.gov · Compare Medicare Advantage and Part D plans in your area.Visit site
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Find doctors, hospitals and providersMedicare.gov · Search and compare providers who accept Medicare.Visit site
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Get started with MedicareMedicare.gov · When to sign up and how coverage begins.Visit site
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Coordination of benefitsCMS.gov · How Medicare works with your other insurance.Visit site
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Free local counseling (SHIP)SHIPhelp.org · Free, unbiased Medicare counseling in your state.Visit site
Social Security contacts from the SSA
Phone numbers
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National helplineMedicare enrollment, retirement benefits and IRMAA questions.1-800-772-1213
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Social Security TTYFor people who are deaf, hard of hearing or speech-impaired.1-800-325-0778
Online services
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my Social Security accountSSA.gov · Create or log in to check your benefits and statements.Visit site
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Apply for retirement benefitsSSA.gov · Start your retirement benefits application.Visit site
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Apply for Extra HelpSSA.gov · Get help paying Part D premiums and copays.Visit site
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Find your full retirement ageSSA.gov · See your full retirement age by birth year.Visit site