Contact us
Thank you for visiting us online. We welcome your questions and comments. To send a message to your doctor, use the patient portal.
Locations
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Optum - San Bernardino
1700 N. Waterman Ave.
San Bernardino, CA 92404
- 1-909-883-8611 (local)
- 1-833-898-8611 (toll-free)
- 1-800-735-2922 (TDD)
- 1-909-881-5707 (fax)
- Clinic hours: Monday–Friday, 8:30 a.m.–5 p.m.
- Urgent care:
- Monday–Friday, 9 a.m.-9 p.m.
- Weekends and holidays, 9 a.m.–5 p.m.
- Closed Thanksgiving and Christmas Day
- Lab: Monday–Friday, 7 a.m.–6 p.m.; closed weekends and holidays
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Optum - Fontana
17051 Sierra Lakes Parkway, Ste. 103
Fontana, CA 92336
- 1-909-770-1000 (local)
- 1-833-898-8611 (toll free)
- 1-800-735-2922 (TDD)
- 1-909-881-5707 (fax)
- Clinic hours: Monday–Friday, 8 a.m.–5 p.m.
Helpful resources

Accepted health plans
We accept HMO, PPO, Original Medicare, Medicare supplements and Medicare Advantage plans.
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