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Health Maintenance Organization (HMO)

Medicare Glossary

A type of health insurance plan that usually requires you to use doctors and hospitals within its network and get a referral from your primary care doctor before seeing a specialist. HMO plans typically have lower premiums and out-of-pocket costs but less flexibility in choosing providers.

This content is for educational purposes only and does not constitute a recommendation of any specific Medicare plan. Benefits, costs, and availability vary by plan and location. For complete information about your Medicare options, visit Medicare.gov or call 1-800-MEDICARE (1-800-633-4227), TTY: 1-877-486-2048, available 24 hours a day, 7 days a week.