Our Ontario Urgent Care Center in CA
Occupational Health • Ontario, CA
Clinic Type
Occupational Health
Address
1101 S Milliken Avenue Ste. C, Ontario, CA 91761
Phone
909-390-2799 (main) / 909-390-0929 (alternate)
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
- Dr. Edward U. Oh, MD - Internal Medicine Physician in Ontario, CA — May 14, 2026
Information sourced from the clinic's website as of July 10, 2026.
More occupational health clinics in Ontario
Up Clinics is a Ontario, CA-based medical care provider offering urgent care, occupational health services, therapy, and suboxone clinic services. Key details: - Location: Ontario, California - Services: Urgent care, occupational health, therapy, suboxone clinic - Contact: info@upclinics.net; Phone: (909) 354-8881 - Web presence: upclinics.net - Workforce: 1 employee (notable growth YoY) - Online reach: ~2,357 monthly visits; high bounce rate low (0.4%), ~1.8 pages/visit - Audience: Predominantly United States (75%), with Canada (25%) - LinkedIn: linkedin.com/company/up-clinics If you’re seeking urgent care or occupational health services in Ontario, CA, Up Clinics presents itself as a localized option with a compact team and multiple service areas.
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