The Blue Shield of California was created in 1939 by California Medical Association, which is a professional organization representing nearly 50,000 physicians founded in 1856.
Blue Shield of California is a health plan provider founded in 1939. Blue Shield of California was founded by the California Medical Association. The California Medical Association (CMA) is a professional organization representing nearly 50,000 physicians in the state of California. The organization was founded in 1856 and is a constituent organization of the American Medical Association. 
