Medicare has several parts and coverage choices. Use this guide to understand the names, then explore the option that matches your question.
Browse Medicare coverage
- Medicare Part A: hospital insurance
- Medicare Part B: medical insurance
- Medicare Advantage: another way to receive Part A and Part B
- Medigap Plans A–N: coverage that supplements Original Medicare
- Medicare Part D: prescription drug coverage
- Medicare Open Enrollment: October 15–December 7
- Medicare resources in BGA’s 21 licensed states
- Medicare FAQs
Parts and plans are different
Medicare Part A, Part B, and Part D are parts of Medicare. Medigap Plan A, Plan B, and Plan D are standardized Medicare Supplement policies. A Medigap plan letter does not replace or duplicate the Medicare part with the same letter.
Would you like help sorting through your choices?
Reviewed by BGA’s in-house compliance team. Last reviewed August 24, 2026. Effective year: 2026–2027.