 
 
 
    San Antonio Urgent Care Ontario
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
                        
Ontario Urgent Care. Walk-in Clinic.
San Antonio Regional Hospital is pleased to bring a new urgent care to the City of Ontario. This is the hospital's fourth urgent care location in its network of satellite facilities. Located at 970 N. Mountain Avenue in Ontario just south of the I-10 freeway, San Antonio Urgent Care Ontario is the hospital's first stand-alone urgent care (not located in a medical plaza). Our new site will house the latest in technology and medical equipment, and provide the residents of Ontario access to the best in healthcare. Medical staff will be bilingual to better serve patients in this area.
970 N. Mountain Avenue, Ontario, CA 91762
 909.579.6680
Services Offered:
Urgent Care
Monday - Friday
9 am - 8 pm
Weekends & Holidays
9 am - 5 pm
Walk-ins Welcome










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