Only give personal information to doctors, other providers, and Medicare plans approved by Medicare, and to people in the community who work with Medicare, like your State Health Insurance Assistance Program or Social Security.
Call 1-800-MEDICARE (1-800-633-4227) if you aren't sure if a provider is approved by Medicare.
Medicare plans can't ask for credit card or banking information over the telephone, unless you are a member of that plan. In most cases, Medicare plans can't call you to enroll in a plan; instead, you must call them. Call 1-800-MEDICARE (1-800-633-4227) to report any plans that ask for your personal information over the telephone or that call you to enroll in a plan.
Medicare plans that are offering demonstrations or pilot programs are allowed to call you to see if you want to enroll. For more information about demonstrations and pilot programs, see "Demonstrations/Pilot Programs