Medicare is the federal health insurance program for:
The different parts of Medicare help cover specific services:
Part A covers inpatient hospital stays, care in a skilled nursing facility, hospice care, and some home health care.
Part B covers certain doctors’ services, outpatient care, medical supplies, and preventive services.
Part D adds prescription drug coverage to:
These plans are offered by insurance companies and other private companies approved by Medicare. Medicare Advantage Plans may also offer prescription drug coverage that follows the same rules as Medicare Prescription Drug Plans.
Note
Medicare Advantage (also known as Part C) is an “all in one” alternative to Original Medicare. These “bundled” plans include Part A, Part B, and usually Part D.
source “medicare.gov”