Concentra
Occupational Health • Ontario, CA
About
Concentra's Ontario urgent care center in Ontario, CA offers workers' compensation injury treatment, urgent care, physical therapy, occupational health services, drug screening, physicals, biometric testing, EMG testing, and orthopedic services. The walk-in clinic operates Monday through Friday from 8 a.m. to 5 p.m., with physical therapy available during the same hours.
Clinic Type
Occupational Health
Address
1101 S Milliken Avenue Ste. C, Ontario, CA 91761
Phone
909-390-2799 (main)
privacyoffice@concentra.com
Opening Hours
Open Until 5 P.M. (center hours shown as 9:00-17:00 typical; exact daily hours not fully listed)
Services Offered
Technology & Equipment
Insurance & Payment
—
Cash (cashless at most locations), Payment in full at visit
Languages Spoken
Social Media
Photos
What Patients Say
Overall sentiment across review platforms: positive
- BestProsInTown / General aggregation: 4.8/5 (146 reviews (for Kaiser Permanente Ontario))
- BestProsInTown / General aggregation: 4.3/5 (134 reviews (for Concentra Urgent Care))
- ThreeBestRated (San Antonio Urgent Care): 4.9/5 (N/A)
Patients praise
- professional and compassionate staff
- clean and organized facilities
- prompt and efficient care
- convenient locations
- affordable service options compared to other clinics
Common complaints
- occasional longer wait times during busy periods
- hiccups with paperwork management
"Patients rave about the friendly, attentive staff who take the time to listen and address concerns, ensuring a personalized experience during every visit."
— urgentcarelist.com summary of patient feedback for San Antonio Urgent Care Ontario"Concentra Urgent Care offers prompt and friendly service with a professional staff. They are courteous and efficient, even on busy days when the waiting time can be longer."
— BestProsInTown summary of Concentra Urgent Care reviewsSynthesized from public review platforms as of Jul 10, 2026 — sources: [1][2][3][4].
In the News
- Ontario Urgent Care Plus — Nov 17, 2025
- Ontario Tower Buzzers Partner with San Antonio Regional Hospital — Mar 31, 2026
- Quest Diagnostics - Ontario - Blood Test Centers USA — Jul 27, 2025
- OhioHealth and Nationwide Children’s Hospital Break Ground on New Ontario Medical Campus Bringing Expanded Care Close to Home — May 6, 2026
Information sourced from the clinic's website as of July 10, 2026.
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