Welcome to Blue Shield of California. We are here to help, whether you're already a member or just want to know more about our plans.

Head Office

Blue Shield of California

50 Beale Street
San Francisco, CA
(415) 229-5000

Healthcare Fraud

If you suspect illegal or wrongful billing practices, you can find the phone number to call or you can fill out an online form in our Fraud section.

Report Fraud

Call or email us to report or suspected fraud.

  • Toll free: (800) 221-2367

24 hours a day / 7 days a week

  • Email: stopfraud@blueshieldca.com

Technical Support

Fill out our technical support form or call us for assistance with technical difficulties including registration, login, download or navigation issues.

Blue Shield Holiday Schedule

Please note that we may have to forward your call in order to serve your best. Operation centers will be closed in observance of Blue Shield of California's 2017 Holiday Schedule.


Blue Shield Corporate Headquarters

Blue Shield of California
P.O.Box 272540
Chico, CA 95927-2540