St. Joseph Heritage Medical Group
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(888) 313-4373

Mailing Address:
P.O. Box 6025
Orange, CA 92863-6025

Weekdays between the
hours of 8 a.m. and 5 p.m.

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Warren D Johnston MD, FACC, FACP

Warren D Johnston MD, FACC, FACP

(714) 543-5555
Primary Specialties
  • Cardiovascular Disease
     (Board Certified)
  • Affiliations
    St. Joseph Heritage Medical Group
    St. Joseph Hospital Affiliated Physicians
    Practice Started
    1976
    Date Appointed
    1976
    Primary Office
    1140 W. La Veta Ave., Suite 430
    Orange, CA 92868
    Fax:
    (714) 836-2427
    Hours:
    Mon - Fri
    9:00AM - 5:00PM

    Web Page:
    www.sjhmg.org

    Video Center

    Experience & Education

    Education
    Medical School: University of Rochester School of Medicine, NY - 1975
    Internship/Residency: USC LA County Medical Center, CA - 1978
    Fellowship: UC Irvine Medical Center, Orange , CA 1980
    Areas of Expertise
    Medical Director: Women's Heart Center

    Physician Bio

    Dr. Johnston's primary focus is prevention and treatment of cardiovascular disease, lipid disorders and women's heart disease. He was designated as a 2010 Physician of Excellence by Orange County Medical Association and Orange Coast Magazine, and was the 2008 recipient of the "Spirit of St. Joseph" award at St. Joseph Hospital. A part of the Department of Cardiology at St. Joseph Hospital for 21 years, he is currently the co-director of the Women's Heart Center. He has served as faculty at UCI, and is currently the Chairman of the Department of Cardiology at SJHMG. Dr. Johnston is accepting new general cardiology patients.

    Areas of Interest

    Preventive Cardiology
    Women's Health
    Geriatric Cardiology