What is a health maintenance organization? | healthinsurance.org
https://www.healthinsurance.org/glossary/health-maintenance-organizations-hmos/
WEBHealth maintenance organizations, or HMOs, are a type of health insurance plan. If your coverage is an HMO, you’ll need to pick a primary care physician (or your insurer will pick one for you), and that person will serve as a “gatekeeper,” meaning that you’ll need to see your primary care physician for a referral before you can see a ...
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