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
601 12th Street
Oakland, CA 94607
(510) 607-2000
Healthcare fraud
If you suspect illegal or wrongful billing practices, call our Fraud Hotline, email us, or fill out an online form in our Fraud section.
Report fraud
Call our Fraud Hotline or email us to report 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 with your password or registration, or if you are having trouble getting to a page or downloading a file.
- Submit a technical support form
- Call toll free: (800) 393-6130
Monday - Friday, 8 a.m. to 5:30 p.m. PST
Compatible Browsers
Learn which web browsers are compatible with the Blue Shield of California website.
View compatible browsers
Health plan sales
Call to speak with a sales agent about your health plan choices.
- Toll free: (888) 568-3560
Monday - Friday, 8 a.m. to 5:30 p.m. PST - TTY: 711
Monday - Friday, 8 a.m. to 5 p.m. PST
Blue Shield holiday schedule
Please note that we may have to forward your call in order to serve you best. Operation centers will be closed in observance of Blue Shield of California's holiday schedule.
Blue Shield Corporate Headquarters
Blue Shield of California
P.O.Box 272540
Chico, CA 95927-2540