In California, Anthem Blue Cross and Blue Shield are actually different companies and are competitors. In most other states, they are the same company and formed an association, the Blue Cross Blue Shield Association. Anthem Blue Cross is a for profit company in California, and Blue Shield is a non-profit. Both insurance companies have large networks and very good doctors.
Anthem Blue Cross does more volume in California than Blue Shield does and they have more members. Also, the network of hospitals and doctors is the largest under Anthem Blue Cross. Ous website, sells more Anthem Blue Cross plans than any other carrier. That being said, many other carriers have strong plans and networks – Blue Shield, Aetna, Cigna, Healthnet, and Kaiser. Depending on what types of benefits you want and how much you want to spend, picking a carrier will become easier once you narrow down the options.