Medicare
- Latest Medicare & You handbook
- Medicare Plan Compare
- Compare standardized Medigap benefits
- Medicare Part D information
Social Security enrollment
Enrollment periods
Medicare enrollment and plan election periods are not interchangeable. Initial, General, Special, Annual, and Medicare Advantage Open Enrollment Periods serve different purposes. Confirm the period that applies before requesting a change.
Medicare.gov plan enrollment guidance
Medicare and employer coverage
The correct timing depends on whether coverage is based on current active employment, employer size, and the type of coverage. COBRA and retiree coverage can have different Medicare consequences than active-employer group coverage.
Medicare.gov, when you have other coverage