Security Health Plan of Wisconsin provides health insurance coverage and related services to some 200,000 members in more than 35 Wisconsin counties. Its managed network of providers includes more than 4,000 physicians, 40 hospitals, and health care facilities, as well as 55,000 pharmacies across the US. Security Health Plan provides policies for groups and individuals. Its products include HMO coverage plans and supplemental Medicare plans, as well as prescription drug and equipment coverage, disease management programs, and administration services for self-funded plans. Established in 1986, the company is the managed healthcare arm of Marshfield Clinic, which operates medical practices across the state.