California Physicians' Service, which operates as Blue Shield of California, provides health insurance products and related services to some 3.5 million members in the state of California. The not-for-profit mutual organization's health insurance products include HMO, PPO, dental, and Medicaid or Medicare supplemental plans for individuals, families, and employer groups. Accidental death and dismemberment, executive medical reimbursement, life insurance, vision, and short-term health plans are provided by the company's Blue Shield of California Life & Health Insurance subsidiary. Blue Shield of California has more than 20 locations across California. The company was established in 1939.