The main Medicare customer service phone number in the United States is 1‑800‑MEDICARE (1‑800‑633‑4227) , with TTY 1‑877‑486‑2048 for people with hearing or speech impairments.

Quick Scoop

  • Call 1‑800‑633‑4227 for general questions about Medicare coverage, claims, premiums, deductibles, and enrollment.
  • The line is available 24 hours a day, 7 days a week, except some federal holidays.
  • TTY users should call 1‑877‑486‑2048.
  • For issues about Social Security or Medicare eligibility (like changing your name, disability-related questions), you may also need Social Security at 1‑800‑772‑1213 (TTY: 1‑800‑325‑0778).

Other ways to reach Medicare

  • You can use live chat through Medicare.gov for many account and coverage questions instead of calling.
  • The official Medicare.gov website and your secure online Medicare account can show claims, coverage details, and plan information without needing to speak to an agent.

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