Skip to main content

Centers for Medicare and Medicaid Services

Information and Support - Medicare

Centers for Medicare and Medicaid Services - National Office

7500 Security Blvd, Baltimore, MD, 21244

Distance: 363 Miles

(800) 633-4227


Service Details


Learn more about a specific topic and how to connect to additional resources and services.

Additional Information

The Centers for Medicare & Medicaid Services (CMS) is a federal agency within the United States Department of Health and Human Services that administers and oversees Medicare. The Center operates a toll-free helpline and an official government website to help consumers understand and use Medicare.

Telephone assistance is available with a toll-free, 24/7/365 phone number

Get help with:
* Comparing health and/or Part D drug plans using the Medicare Plan Finder Tool
* Reviewing, enrolling or changing Medicare Advantage or Medicare Part D plans
* Learning what Medicare does and does not cover
* Learning about Medicare health insurance and Medicare drug coverage (Part D)
* Claims and appeals
* Forms, publications
* Identity theft and how to report fraud and abuse

Check the status of your eligibility, enrollment, benefits, and claims

Centers for Medicare & Medicaid Services (CMS) also works in partnership with state governments to administer Medicaid, the State Children's Health Insurance Program, and health insurance portability standards.


  • Payment
    • Free / no cost to everyone 
  • Service Availability
    • 24 hours a day 
  • Specialization
    • Disabilities 
    • Older adults 



Application Instructions

Call 1-800-MEDICARE
((800) 633-4227)

Application procedures vary

Area Served



Phone Numbers

Type Number Hours
Main (877) 267-2323
Main - Medicare (800) 633-4227
TTY - CMS Administration (866) 226-1819
TTY - Medicare Help (877) 486-2048

Last Update


Other Locations

This provider does not offer this service at other locations.

Taxonomy Terms Used. Clicking a taxonomy term from the list below launches a new search.: Clicking a taxonomy term from the list below launches a new search.