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Get InQuicker by making your same-day appointment now at one of our Urgent Cares.
Eastvale San Antonio Medical Plaza
12442 Limonite Ave.
Eastvale, CA 91752
Rancho San Antonio Medical Plaza
7777 Milliken Avenue
Rancho Cucamonga, CA, 91730
Sierra San Antonio Medical Plaza
16465 Sierra Lakes Pkwy
Fontana, CA 92336
At San Antonio Regional Hospital, we're dedicated to providing the best urgent care facilities and walk-in clinics in 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.
Our urgent care clinics are open now Monday thru Friday 9 am - 8 pm and weekends and holidays 9 am - 5 pm.
Eastvale urgent care
Fontana urgent care
Rancho Cucamonga urgent care
999 San Bernardino Rd.
Upland, CA 91786
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Our mission is to improve the overall health of our regional community by offering healthcare services that both comfort and cure, in settings that inspire confidence, and in a manner that earns the trust of our patients, our physicians, and our employees.