Sierra San Antonio Medical Plaza
Fontana Urgent Care. Walk-in Clinic.
Conveniently located on Sierra Lakes Parkway in Fontana just north of the 210 FWY, the Sierra San Antonio Medical Plaza provides urgent care and walk-in clinic needs.
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.
URGENT CARE APPOINTMENT
Get InQuicker by making your same-day appointment now at one of our Urgent Cares.
San Antonio Urgent Care Ontario
970 N. Mountain Avenue, Ontario, CA 91762
909.579.6680
Eastvale San Antonio Medical Plaza
12442 Limonite Ave. Eastvale, CA 91752
951.393.3010
Sierra San Antonio Medical Plaza
16465 Sierra Lakes Pkwy, Fontana, CA 92336
909.434.1150
Rancho San Antonio Medical Plaza
7777 Milliken Avenue, Rancho Cucamonga, CA, 91730
909.948.8000
Urgent Care in Fontana at Sierra San Antonio Medical Plaza
16465 Sierra Lakes Pkwy, Fontana, CA 92336
909.434.1100
Services Offered:
Urgent Care
909.434.1150
Monday - Friday
9 am - 8:00 pm
Weekends & Holidays
9 am - 5 pm
Walk-ins Welcome
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