• URGENT CARE APPOINTMENT


    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
    951.393.3010

    San Antonio Urgent Care at Eastvale

    Sierra San Antonio Medical Plaza
    16465 Sierra Lakes Pkwy
    Fontana, CA 92336
    909.434.1150

    San Antonio Urgent Care at Sierra Lakes

    Rancho San Antonio Medical Plaza
    7777 Milliken Avenue
    Rancho Cucamonga, CA, 91730
    909.948.8000

    San Antonio Urgent Care at Rancho Cucamonga
  • Urgent Care

  • 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  

  • *WHILE WE MAKE EVERY EFFORT TO ACCOMMODATE OUR PATIENTS AT THEIR RESERVED TIME, APPOINTMENTS MAY BE DELAYED DUE TO MEDICAL EMERGENCIES AND ARE SUBJECT TO THE AVAILABILITY OF EXAM ROOMS.