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Urgent Care Overview
At San Antonio Regional Hospital, we’re dedicated to providing the best urgent care facilities and walk-in clinics in Ontario, Eastvale, Fontana, and Rancho Cucamonga – with the experts and technology to treat life’s unexpected interruptions.
From simple sprains to colds and the flu, we’re here for you when you need us most. You can make an online appointment for quick and convenient medical care including pediatric urgent care. Alternatively you can walk-in and wait for the next available opening.
ONTARIO URGENT CARE
Address
970 N. Mountain Avenue
Ontario, CA 91762
909.579.6680
Hours
Monday – Friday
9 am – 8 pm
Weekends & Holidays
9 am – 5 pm
Walk-ins Welcome
EASTVALE URGENT CARE
Conveniently located on Limonite Avenue, Eastvale San Antonio Medical Plaza is across the street from the Eastvale Gateway, just off the 15 FWY.
Address
12442 Limonite Avenue
Eastvale, CA 91752
951.393.3010
Hours
Monday – Friday
9 am – 8 pm
Weekends & Holidays
9 am – 5 pm
Walk-ins Welcome
RANCHO URGENT CARE
Conveniently located on Milliken Avenue, between E. Foothill Boulevard and Church Street, Rancho San Antonio Medical Plaza provides urgent care and walk-in clinic needs.
Address
7777 Milliken Avenue
Rancho Cucamonga, CA, 91730
909.948.8000
Hours
Monday – Friday
9 am – 8 pm
Weekends & Holidays
9 am – 5 pm
Walk-ins Welcome
SIERRA URGENT CARE IN FONTANA
Address
16465 Sierra Lakes Parkway
Fontana, CA 92336
909.434.1100
Hours
Monday – Friday
9 am – 8 pm
Weekends & Holidays
9 am – 5 pm
Walk-ins Welcome
