There are 4 parts to Medicare: Part A, Part B, Part C, and Part D.
Part A (Hospital Insurance)
Admitted starts with the letter A, as in admitted to the hospital, SNF, etc.
- Inpatient hospital care
- Skilled nursing facility care
- Hospice care
- Home health care
Part B (Medical Insurance)
Benefits starts with the letter B, as in medical benefits.
- Services from doctors and other healthcare providers
- Outpatient care
- Home health care
- Durable medical equipment (e.g., wheelchairs, walkers, hospital beds)
- Preventive services (e.g., screenings, vaccinations, wellness visits)
Part C
- Medicare Advantage: Medicare obtained through a private health insurance company, e.g., Blue Cross and Blue Shield, Aetna
- Offers an alternative to Original Medicare for your health and drug coverage.
- May offer some extra benefits that Original Medicare doesn’t cover — like vision, hearing, and dental services.
- May have lower out-of-pocket costs than Original Medicare.
- “Bundled” plans include Part A, Part B, and usually Part D.
- Need to use doctors who are in the plan’s network.
Part D (Drug Coverage)
- Prescription drug coverage (Drug starts with the letter D.)
- Recommended shots or vaccines
Medicare Supplemental Insurance (Medigap)
- Extra insurance you can buy from a private company that helps pay your share of costs in original Medicare.
- Policies are standardized, and in most states named by letters, like Plan G or Plan K.
- Benefits in each lettered plan are the same, no matter which insurance company sells it.
Sources
https://www.medicare.gov/basics/get-started-with-medicare/medicare-basics/parts-of-medicare