MEDICARE HOTLINE | CENTERS FOR MEDICARE & MEDICAID SERVICES
7500 Security Blvd, Baltimore,, MD 21244
(877) 486-2048
Voice·
Toll-Free | Medicare Service Center
(800) 633-4227
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Toll-Free | Medicare Service Center
Website
https://www.medicare.gov/Service area
United States
Medicare information, including Medigap insurance policies for costs not covered by Medicare Medicare Advantage plans vs traditional Medicare Part D (prescription) coverage
Last assured
03/06/2026
What's Here
Providing organization
CENTERS FOR MEDICARE & MEDICAID SERVICES
Centers for Medicare & Medicaid Services (CMS) is responsible for: Medicare Medicaid State Children's Health Insurance Programs (SCHIP) Health Insurance Portability and Accountability Act (HIPAA) Clinical Laboratory Improvement Amendments (CLIA)Individuals with any issues on Medicare, Medicaid, or state Child Health Insurance Programs should first contact the New York Regional Office.