Email. [email protected] 1-888-734-6433 (Option 1) or TTY/TDD 1-888-734-6563.Beneficiaries. Beneficiaries should call 1-800-MEDICARE (1-800-633-4227), TTY users should call 1-877-486-2048 for all of the following:Region-Specific Inquiries.

How do I contact CMS with questions?

1. Medicare Service Center: 800-MEDICARE (800-633-4227)
2. Medicare Service Center TTY: 877-486-2048.
3. Report Medicare Fraud & Abuse: 800-HHS-TIPS (1-800-447-8477)
4. Medicare.gov.
5. Medicare Helpful Contacts Page.
6. Medicare Fraud & Abuse.

How do I report to CMS?

1. By Phone. Health & Human Services Office of the Inspector General. 1-800-HHS-TIPS. …
2. Online. Health & Human Services Office of the Inspector General Website.
3. By Fax. Maximum of 10 pages. 1-800-223-8164.
4. By Mail. Office of Inspector General.