St. Joseph Hospital of Orange
1100 West Stewart Dr, Orange, CA 92868714.633.9111
About Us News Room Careers Contact Us
Find St. Joseph Hospital Services Our Doctors Our Services For Patients For Visitors For Community
Our Doctors
New Search
Warren D. Johnston M.D., F.A.C.C., F.A.C.P.

Warren D. Johnston M.D., F.A.C.C., F.A.C.P.

(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
    Web Page:
    www.sjhmg.org

    Video Center

    Education & Training

    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

    Accepted Health Plans

    MCR - MEDICARE
    PPO - BEECH STREET
    PPO - BLUE CROSS PRUDENT BUYER
    PPO - HEALTH NET
    MDA - MEDICARE ASSIGN
    HMO - AETNA
    PPO - AETNA
    HMO - BLUE CROSS (CALIFORNIA CARE)
    PPO - BLUE SHIELD OF CALIFORNIA
    HMO - CIGNA
    PPO - CIGNA
    HMO - PACIFICARE
    PPO - PRIVATE HEALTH CARE SYSTEMS (PHCS)
    PPO - PACIFICARE
    HMO - SECURE HORIZON
    HMO - MEDICAL CALOPTIMA
    HMO - BLUE SHIELD OF CALIFORNIA
    EPO - AETNA ELECT CHOICE
    EPO - COVENTRY (FORMERLY CCN/FIRST HEALTH
    HMO - AETNA GOLDEN MEDICARE
    HMO - BLUE SHIELD 65
    HMO - BLUE SHIELD LOCAL ACCESS PLUS
    HMO - BLUE SHIELD NETVALUE
    HMO - BLUE SHIELD SAVENET
    HMO - CHOC HEALTH ALLIANCE

    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