The main Medicare contact number in the U.S. is 1-800-MEDICARE (1-800-633-4227) , with TTY 1-877-486-2048 for people with hearing or speech impairments.

Main Medicare contact number

  • General Medicare help (coverage, claims, bills, plan questions): 1-800-633-4227 (1-800-MEDICARE).
  • TTY line for hearing/speech impairments: 1-877-486-2048.
  • Phone line availability: typically 24 hours a day, 7 days a week, except some federal holidays.

Other important phone numbers

  • Social Security (for Medicare eligibility, enrollment, card issues, and name changes): 1-800-772-1213 , TTY 1-800-325-0778.
  • Medicare fraud or abuse reporting: 1-800-HHS-TIPS (1-800-447-8477).

Online and live chat options

  • Official Medicare website for general info, plan comparisons, and handbooks: Medicare.gov.
  • Medicare offers a live chat service on Medicare.gov that is usually available 24/7 for text-based help.

Tips before you call

  • Have these details ready: Medicare number, Social Security number, date of birth, address, and any claim or bill details.
  • For Medicare Advantage, Part D, or Medigap questions, you may also need to call your plan’s customer service number on your member card.

Information gathered from public forums or data available on the internet and portrayed here.