Central Health Medicare Plan is a Medicare Advantage HMO plan offered by Central Health Plan of California. Central Health Plan of California is a full-service Knox-Kneene licensed Health Maintenance Organization that has been in operation since October 2004. Central Health Medicare Plan is committed to providing high quality health care services to its Medicare members throughout its Service Area. Enrollment is open to all eligible Medicare beneficiaries, and Central Health Medicare Plan specializes in providing affordable and culturally sensitive health care that addresses the specific needs of traditionally underserved populations in our service area.