• Corporate headquarters

    Corporate Headquarters

    Blue Shield of California
           50 Beale St.
           San Francisco, CA 94105
    Phone:(415) 229-5000

    Southern Region Main Office

    Blue Shield of California
           100 North Sepulveda Blvd.
           El Segundo, CA 90245
    Phone:(310) 744-2580

    Medicare Main Office

    Blue Shield of California
           6300 Canoga Ave.
           Woodland Hills, CA 91367
    Phone:(818) 598-8000

  • Provider Connection Customer Service

    For issues related to the following functions on the Provider Connection website:

    • Password resets and logging in
    • Accessing member eligibility and benefits, claims information, or Clear Claim Connection (C3) claims prescreening simulation tool
    • Submitting prior authorization


    Phone:(800) 541-6652
          Please have your Provider NPI or Tax ID number available when speaking with a representative.

    Contact technical support

  • Provider information and enrollment

    Contact us with questions about:

    • Provider network inquiries and applications
    • Address, phone, fax, and practice changes
    • Group additions/deletions
    • Credentials
    • Provider directory updates
    • Provider education
    • Contractual obligations
    • PPO related requests


    Blue Shield of California
           Provider Information & Enrollment
           P.O. Box 629017
           El Dorado Hills, CA 95762

    Phone:(800) 258-3091

    Fax: (916) 350-8860, Monday - Friday, 8:30 a.m. - 4:30 p.m.

  • EDI related issues

    Contact us with questions about:

    • EDI set-up inquiries (270/271, 276/277, 278, 837, 835)
    • ERA set-up inquiries
    • EFT set-up inquiries
    • Member benefit enrollment setup inquiries (820/834)


    Blue Shield of California
           Attn: EDI department
           4700 Bechelli Lane
           El Dorado Hills, CA 95762-9017

    EDI/ERA/EFT inquiries including enrollment questions:
    Phone:(800) 480-1221

    Send EDI enrollment forms to:
    Fax: (530) 351-6150

    Send ERA/EFT enrollment forms to:
    Fax: (866) 276-8456

  • Pharmacy services

    Contact us for drug formulary information and to request prior authorization for outpatient prescription drugs and home self-administered injectables.

    Blue Shield of California
          Pharmacy Services
          P.O. Box 7168 
          San Francisco, CA 94120-7168

    Phone:(800) 535-9481

    Fax: (888) 697-8122