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    Guillermo R. Mendoza, MD

    Allergy & Immunology

    Dr. Mendoza's Overview

    Dr. Mendoza graduated from the University of California, San Diego School of Medicine in 1972. He works in Vacaville, CA and specializes in Allergy & Immunology. Dr. Mendoza is affiliated with Kaiser Permanente Medical Center - Roseville.

    Dr. Mendoza's Experience

    Years in Practice: 45

    Procedures Performed by Dr. Mendoza

    Dr. Mendoza's Specialties

    Allergy & Immunology

    Dr. Mendoza's Education & Training

    Medical School: University of California, San Diego School of Medicine; Graduated 1972

    Dr. Mendoza's Rating

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    • Explains conditions & treatments
    • Takes time to answer my questions
    • Provides follow-up as needed
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    Dr. Mendoza's Accepted Insurance

    Please verify insurance information directly with your doctor's office as it may change frequently.

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    Dr. Mendoza's Office Information & Appointments

    Office Locations

    Kaiser Permanente Medical Group
    Kaiser Permanente Medical Center

    1 Quality Dr
    Vacaville, CA 95688
    (707) 624-4000


    Office Hours and Information

    Fax: (707) 624-2051

    Practice Website:

    Accepting New Patients: Yes

    Medicare Accepted: Yes

    Medicaid Accepted: Yes

    Monday 8:30 AM - 5:00 PM
    Tuesday 8:30 AM - 5:00 PM
    Wednesday 8:30 AM - 5:00 PM
    Thursday 8:30 AM - 5:00 PM
    Friday 8:30 AM - 5:00 PM
    Saturday Closed
    Sunday Closed

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