Where to Get Your Medicare Questions Answered

Centers for Medicare and Medicaid Services

To get general or claims specific Medicare information and important telephone numbers. If you need help in a language other than English or Spanish, say “Agent” to talk to a customer service representative.

Social Security
To enroll in Medicare and or Social Security, get a replacement Medicare card; change your address or name; get information about Part A and/or Part B eligibility, entitlement, and enrollment; apply for Extra Help with Medicare prescription drug costs; ask questions about premiums; and report a death.

Coordination of Benefits Contractor
To get information on whether Medicare or your other insurance pays first and to report changes in your insurance information.

  • 1 800 999 1118
  • TTY 1 800 318 8782

Department of Defense
To get information about TRICARE for Life and the TRICARE Pharmacy Program.

Department of Health and Human Services
Office of Inspector General—If you suspect Medicare fraud.

Office for Civil Rights
If you think you were discriminated against or if your health information privacy rights were violated.

Department of Veterans Affairs
If you’re a veteran or have served in the U.S. military.

Quality Improvement Organization (QIO)
To ask questions or report complaints about the quality of care for a Medicare covered service or if you think your service is ending too soon. Call 1 800 MEDICARE to get the telephone number for your QIO.