Medicare and Medicaid

1-800-MEDICARE (CMS)

Phone, published email, fax, addresses and the next step for your office.

1 contact routeNo directory research calls placed

member services

1-800-MEDICARE

Official page read

Phone800-633-4227Published hours

24/7 (some federal holidays excluded)

Product, plan and location

medicare
National contact — confirm product and location

Mailing address

Not researched for this route

TTY 1-877-486-2048. Medicare Beneficiary Ombudsman complaints are routed through this line (no separate public number found).

View source ↗ · Source checked 2026-10-20

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Wait time: not establishedBest time from caller reports: not established. Published hours are not a wait forecast.

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1-800-MEDICARE (CMS)

1-800-MEDICARE

How did your call go?

Share a call experience

Suggest a correction

Found the contact. Still need to make the call?

Put payer follow-up
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1-800-MEDICARE (CMS)

How did your call go?

Share a call experience

Suggest a correction

Found the contact. Still need to make the call?

Put payer follow-upon your office’s worklist.

See how it could work for your practice

Put payer follow-up
on your office’s worklist.