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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.

Donald J. Mahon, MD

4.8 out of 5 (124 Ratings)
Specialty
  • Cardiology
    (Board Certified)
  • Interventional Cardiology
    (Board Certified)
  • Vascular Medicine
Additional Language Spoken
English
Medical Groups & Affiliations
  • St. Joseph Heritage Medical Group
  • St. Joseph Hospital Affiliated Physicians
Address
St. Joseph Heritage Orange - Cardiology
1140 West La Veta Avenue
Suite 430
Orange, CA 92868
Accepting New Patients

Primary Office

Address
St. Joseph Heritage Orange - Cardiology
1140 West La Veta Avenue
Suite 430
Orange, CA 92868
Get Directions
Phone
(714) 543-5555
Fax
(714) 836-2427

More Information

Video

  • Meet The Doctor

    Specialties & Education

    Primary Specialties
    • Cardiology
      (Board Certified)
    • Interventional Cardiology
      (Board Certified)
    • Vascular Medicine
    Education & Training
    • Medical School
      Baylor College of Medicine
    • Internship
      Baylor College of Medicine
    • Internship
      University of California
    • Residency
      University of California
    • Fellowship
      University of California
    Areas of Interest

    Stress Tests
    Cardiac Catheterization
    Treadmill Testing
    Valvuloplasty
    Color Flow Doppler
    Percutaneous Trans Coronr Angiopla
    Echocardiography

  • 21-Sep-2019
    As always, the team and the doctor were courteous and very helpful.
    31-Aug-2019
    Dr Mahon has provided me with the best care for the last 14 years. he listens and knows my medical history well.
    30-Aug-2019
    I have rarely any complaints or bad experiences. My relationship with my provider has been great!
    26-Aug-2019
    I had a very good experience with the doctor.
    8-Aug-2019
    I love dr. Mahon. he saved my life.
    37 Total Comments Page 1 2 3 4 5 6 7 8   Next
  • More Info

    More Info