Definition · Medicare program and benefits
Original Medicare is Part A hospital insurance and Part B medical insurance, paid by the federal program rather than a Medicare Advantage plan. People who want drug coverage add a Part D plan. People who want help with deductibles and coinsurance can buy a Medigap policy. Enrollment rules are on Medicare.gov.
This site does not decide whether someone should stay in Original Medicare. The Star Ratings pages are about Medicare Advantage and Part D contracts, not about Original Medicare itself.
Source: Medicare.gov, What's Medicare? Page read October 14, 2026.
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