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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 (103 Ratings)
Specialty
  • Cardiology
    (Board Certified)
  • Interventional Cardiology
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
    Secondary Specialties
    • Internal Medicine
      (Board Certified)
    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.

  • 12-Jun-2020
    Dr Mahon was my first cardiologist and has seen me through a heart valve replacement which I got almost 4 years ago. He is a great doctor and has been of outstanding service to me.
    8-Jun-2020
    it's all good
    16-Mar-2020
    Dr. Mahon is a very good, or should I say an excellent specialist.
    15-Mar-2020
    good
    13-Mar-2020
    Very satisfied with all the services I received by the receptionists, clerks and especially the doctor.
    49 Total Comments Page 1 2 3 4 5 6 7 8 9 10   Next
  • More Info

    More Info