108 Medicare Terms Defined

Medicare Glossary

Plain-English definitions for every Medicare term — from ABN to ZIP enrollment. No jargon, no confusion.

Terms starting with "H" — 1 term

H

Health Maintenance Organization (HMO)

Part C / Advantage

A type of Medicare Advantage plan where you generally must use doctors, hospitals, and other providers in the plan's network, except in emergencies. You typically need a referral to see a specialist.

Also known as: HMO

Ready to use your new knowledge?

Find a licensed Medicare agent near you

Browse completely free. Your contact info is never shared until you choose to reach out.

Find My Agent →