Careers With St. Joseph Health

Our Values are more than just words.

They form the heart and soul of St. Joseph Health and are the prime reason we attract and retain high-caliber employees who believe in the sanctity of their work in our faith-based setting.

Recent News

Irvine school nurses, staff learn Stop the Bleed techniques to respond in mass-casualty situation

Irvine school nurses and athletic trainers on Tuesday, Jan. 30, learned simple techniques that could save lives in a shooting or other ...

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Families anticipate exciting community blessing of surgical center

A community is as strong as its hospital, and with recent investments into Covenant Health Plainview, it’s evident that to our friends ...

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Severe Flu Season Tightens Its Grip on U.S.

Americans are being hit with one of the worst flu seasons in years, with misery now widespread across 46 states, health officials say. In ...

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Here you can find news articles and press releases from St. Joseph Health and it's locations.

About St. Joseph Health

SJH provides a full range of care facilities including 16 acute care hospitals, home health agencies, hospice care, outpatient services, skilled nursing facilities, community clinics and physician groups. All of our hospital and home health entities are accredited by the Joint Commission. In our award-winning facilities, SJH maintains a "continuum of care," matched to the diverse needs of the urban centers, smaller cities and rural communities who depend on us every day.

Giving back to the community. St. Joseph Health System Office

Warren D. Johnston, MD

4.7 out of 5 (196 Ratings)
Specialty
  • Cardiology
    (Board Certified)
  • Cardiovascular Disease
    (Board Certified)
Address
1140 W. La Veta Ave.
Suite 430
Orange, CA 92868
Accepting New Patients
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Primary Office

Address
1140 W. La Veta Ave.
Suite 430
Orange, CA 92868
Get Directions
Phone
(714) 543-5555
Fax
(714) 836-2427

More Information

Website
www.sjhmg.org
www.stjoedoctors.org/media/sjo/Cardiology/SJHMG-Cardiologists-Warren-Johnston.mp4
Medical Groups & Affiliations
  • St. Joseph Heritage Medical Group
  • St. Joseph Hospital Affiliated Physicians

Video

  • Meet The Doctor

    Specialties & Education

    Primary Specialties
    • Cardiology
      (Board Certified)
    • Cardiovascular Disease
      (Board Certified)
    Education & Training
    • Medical School
      University of Rochester School of Medicine, NY - 1975
    • Residency
      USC LA County Medical Center- CA- Los Angeles - 1978
    • Fellowship
      UC Irvine Medical Center- Irvine, CA - 1980
    Areas of Interest

    Preventive Cardiology
    Women's Health
    Geriatric Cardiology

  • Biography

    Biography

    Biography

    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 Expertise
    Medical Director: Women's Heart Center
  • 26-Feb-2018
    He is always in a hurry.
    21-Feb-2018
    knows me and my health issues well, explained reason for substituting a new medication for one I had been taking for a while
    20-Feb-2018
    Excellent.
    8-Feb-2018
    I needed an explanation regarding my valves and he was very thorough and understandable.
    1-Feb-2018
    Always wishing dr. would speak more slowly & wishing for more of his time.
    24 Total Comments Page 1 2 3 4 5   Next
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    More Info
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