Original Medicare is administered directly by the federal government. and is comprised of two parts: Part A and Part B.
Medicare Part C
Medicare Part C (Medicare Advantage Plan) covers Medicare inpatient care, including care received while at the following places:
a skilled nursing facility
Medicare Part D
Medicare Part D (Outpatient Prescription Drug Benefit) provides outpatient prescription drug coverage for individuals who are signed up under Medicare Part A and/or Part B. While it is a federal government program to subsidize the costs of prescription drugs, Part D-- unlike Original Medicare-- is never provided directly by the government.