Contact us

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.

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.

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 TTY: 711 
  • Monday - Friday, 8 a.m. to 5:30 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

Language assistance

No cost language service. You can get documents read to you and some sent to you in your language.

Members or Subscribers?

Log in to contact us regarding claims, benefits or technical problems. You will then have access to a contact number specific to your health plan.

© California Physicians' Service DBA Blue Shield of California 1999-2024. All rights reserved. California Physicians’ Service DBA Blue Shield of California is an independent member of the Blue Shield Association. Health insurance products are offered by Blue Shield of California Life & Health Insurance Company. Health plans are offered by Blue Shield of California.