http://www.aetnaushc.com (877) 204-9186
http://www.anthem.com/ca (800) 677-6669
http://www.blueshieldca.com (800) 442-6665
http://www.cigna.com/health (800) 344-0557
http://www.healthnet.com (800) 522-0088
http://www.uhc.com/employer/health-plans/choice (800) 624-8822
http://www.humana.com/medicare (626) 698-8199
http://www.blueshieldcamedicare.com (818) 426-3089