Medicare Part A: This part covers inpatient hospital stays, skilled nursing facility care, hospice care, and some home health care services.

Medicare Part B: Part B covers outpatient care, doctor visits, preventive services, and some medical supplies.

Medicare Part C (Medicare Advantage): Also known as Medicare Advantage, Part C allows beneficiaries to receive their Medicare benefits through private insurance plans approved by Medicare. These plans often include additional benefits beyond what Original Medicare offers, such as prescription drug coverage and dental or vision care.

Medicare Part D: This part provides prescription drug coverage through private insurance plans that are approved by Medicare.