- Introduction
- About Medicare
- CMS Medicare Administrative Contractor Information
- Centers for Medicare & Medicaid Services
- Social Security Administration
- Medicare Secondary Payer
- How to File an Appeal with Original Medicare
- Medicare Quality Improvement Organization
- DME National Supplier Clearinghouse
- Railroad Retirees Part B Questions
- State Health Insurance Assistance Program
- Contacting Medicare
Contacting Medicare
Medicare constituents (or People with Medicare) can have their Medicare questions answered by calling 1-800-MEDICARE (1-800-633-4227) 24-hours a day; 7-days a week. 1-800-MEDICARE users can speak to a live person either by saying the word “agent” or by "pressing zero" at any time during the call.
For Internet users, Medicare constituents can visit www.Medicare.gov and www.NGSMedicare.com, or People with Medicare can register free of charge at www.Medicare.gov to use a secure online service that allows access to Medicare records and benefit information via the Internet.