Female customer service agent

Contact Us – For Providers

Providers should contact our Customer Service team for assistance. You can contact us by phone, or by mail. 

By Phone

Monday through Friday,
8:00am–12:30pm, 1:00pm–​5:00pm PT

(800) 445-5747 or (925) 820-8300
TTY to Voice (800) 735-2929/Voice to TTY (800) 735-2922​

By Mail

Hill Physicians Medical Group
P.O. Box 5080, San Ramon, CA 94583

If you are not a provider, please call to speak with one of our Customer Service Representatives toll-free at (800) 445-5747.

Our Locations

2409 Camino Ramon,
San Ramon, CA 94583

Sacramento region office:
1435 River Park Drive, Suite 200
Sacramento, CA 95815

San Joaquin region office:
1776 W. March Lane, Suite 440
Stockton, CA 95207

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