By Kelly Montgomery, About.com
Updated: January 04, 2009
About.com Health's Disease and Condition content is reviewed by our Medical Review Board
A Health Maintenance Organization - a group of healthcare providers who have contracted with an insurance company to provide services for a fixed fee. This fee is paid on a monthly basis regardless of whether the patient utilizes healthcare during that time.
Check out this article to find out more about HMOs and how they differ from PPOs.
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