• Fontana Urgent Care Center at Sierra San Antonio Medical Plaza

  • CORONAVIRUS 2019 (COVID-19) INFORMATION

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

    Urgent Care Patients

    Due to COVID-19 precautions, if you seek medical attention at a San Antonio Regional Hospital Urgent Care and you have a fever and respiratory symptoms, you will need to call the urgent care once you arrive at the facility. Below are the urgent care phone numbers to call before entering the urgent care:

    • Fontana urgent care: 909.434.1150


    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 - 8 pm
      Weekends & Holidays
    9 am - 5 pm
      Walk-ins
    Welcome  

    16465 Sierra Lakes Pkwy, Fontana, CA 92336
    909.434.1150 

     

    URGENT CARE APPOINTMENT


    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    

    In addition to Urgent Care, these outpatient services are available:

    Radiology Services  

    • 3D Mammograms
    • Ultrasound
    • X-Ray
    • Imaging

    To schedule imaging services at any of our locations, please call 909.948.8166

    Click here to download the Outpatient Services map and information