• Fontana Urgent Care Center at Sierra San Antonio Medical Plaza


    Due to COVID-19 precautions, the following information is provided for our patients and their families.

    Urgent Care Patients

    Due to COVID-19 precautions, all San Antonio Regional Hospital Urgent Care patients are screened for fever and respiratory symptoms. This extra screening helps us meet our commitment to provide a safe environment for everyone entering the urgent care.

    When you arrive at the urgent care parking lot, call the appropriate number listed below from your vehicle.

    Fontana location:                                  909.434.1150

    • Urgent care staff will screen the patient over the phone.
    • If this screening reveals potential COVID-19 symptoms, the patient will be directed to the COVID-19 tent to be evaluated by a provider.
    • Patients who are not identified with potential COVID-19 symptoms will be directed to enter the urgent care.
    • All patients entering the urgent care must wear a mask.
    • In accordance with COVID-19 precautions, no visitors are permitted in the urgent care. The only exception is that one (1) parent or legal guardian may accompany a minor under age 18.

    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.

    Monday - Friday
    9 am - 5 pm
      Weekends & Holidays
    9 am - 5 pm

    16465 Sierra Lakes Pkwy, Fontana, CA 92336



    Get InQuicker by making your same-day appointment now at our Fontana location

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

    San Antonio Urgent Care at Sierra Lakes