Urgent Care

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 Urgent Care Center in Rialto

• Low Cash Pay Prices
• Most Insurances Accepted, including IEHP

Pinnacle Medical Group is open 365 days/year so you can be confident that if you need urgent care, a doctor is available to you. If an urgent situation occurs during regular business hours (Monday-Friday, 8:00 am – 5:00 pm), you can also contact your physician for specific instructions prior to going to our Urgent Care Center.


Call (909) 421-2700

pinnacle rialto

Urgent Care Hours in Rialto

Monday – Friday: 9:00 am – 8:00 pm
Saturdays: 9:00 am – 5:00 pm
Sunday & Holidays: 9:00 am – 4:00 pm

1851 N. Riverside Ave
Rialto, CA 92376
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X-Ray on-site

Fontana – closed temporarily

Call (909) 427-1303

pinnacle fontana

Urgent Care Hours in Fontana

Temporarily Closed

8110 Mango Ave.
Fontana 92335
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All IEHP and selected Molina plans accepted at our Urgent Care Centers.

Most PPO plans, Medicare-Medi-Cal also accepted.

All Pinnacle HMO patients, as well as HMO patients from select other medical groups also accepted.