Claim: The Blue Shield of California was created in 1938 by California Medical Association, which is a professional organization representing nearly 50,000 physicians founded in 1856.
Evidence: Blue Shield of California, then known as California Physicians' Service, was created by the California Medical Association on December 18, 1938, and was incorporated on August 9, 1939. 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.