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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

4.9 out of 5 (125 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
1140 West La Veta Avenue
Suite 430
Orange, CA 92868
Accepting New Patients

Primary Office

Address
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.

  • 16-Jun-2019
    NA
    15-May-2019
    Dr. Mahon listened, was very thorough and empathetic.
    9-May-2019
    i had a consultation regarding my hearth medication . The Doctor asked me lots of questions and gave me his advise.. I highly recommend this Doctor to my friends.
    26-Apr-2019
    Dr Mahon is an amazing man and doctor. Entire staff is above and beyond what is expected in a doctor/staff/hospital setting. I am loving St. Joe's Hospital and Pavilion.
    23-Apr-2019
    Dr. Mahon is very good.
    29 Total Comments Page 1 2 3 4 5 6   Next
  • More Info

    More Info