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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 (121 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

  • Biography

    Biography

    Biography

    Dr. Mahon is a cardiologist with special training in invasive and interventional cardiology. He has special expertise in Rotoblator, atherectomy, stent replacement and valuoplasty. He also specializes in the care of patients with pulmonary hypertension and structural heart disease. Dr. Mahon is accepting new general cardiology patients.

  • 29-Dec-2019
    this is my first visit to Dr Mahon I was very please with my visit.
    23-Dec-2019
    Didn't appreciate the 1/2 plus wait. The Dr himself is fantastic, worth the wait I guess.:)
    13-Dec-2019
    *Dr. Mahon is my cardiologist & I trust him with my life.
    29-Nov-2019
    they know what they are doing. thanks doctor. I o you one.
    26-Nov-2019
    Satisfactory.
    50 Total Comments Page 1 2 3 4 5 6 7 8 9 10   Next
  • More Info

    More Info