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.

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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 (138 Ratings)
Specialty
  • Cardiology
    (Board Certified)
  • Cardiovascular Disease
    (Board Certified)
  • Interventional Cardiology
    (Board Certified)
Medical Groups & Affiliations
  • St. Joseph Heritage Medical Group
  • St. Joseph Hospital Affiliated Physicians
Address
1140 W. La Veta Ave.
Suite 430
Orange, CA 92868
Accepting New Patients

Primary Office

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

Secondary Office

Address
23141 Moulton Pkwy.
Suite 109

More Information

Video

  • Meet The Doctor

    Specialties & Education

    Primary Specialties
    • Cardiology
      (Board Certified)
    • Cardiovascular Disease
      (Board Certified)
    • Interventional Cardiology
      (Board Certified)
    Education & Training
    • Medical School
      Baylor College of Medicine, TX
    • Internship
      Baylor College of Medicine
    • Internship
      University of California- Irvine, CA
    • Residency
      University of California- Irvine, CA
    • Fellowship
      University of California- Irvine, CA
    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.

  • 26-Nov-2018
    see previous
    19-Nov-2018
    Strong level of confidence in Dr. Donald Mahon as a Cardiologist with a thoughtful approach to pre-emptive treatment and diagnosis.
    18-Oct-2018
    I had a good experience at this office. I even called my main doctor, Mary Harward, and thanked her for referring me to this provider, Mr. Mahon.
    12-Oct-2018
    Dr Mahon was thorough in his examine
    11-Oct-2018
    Dr. Mahon understands my desire to continue on the kidney transplant list and works with me to that end.
    17 Total Comments Page 1 2 3 4   Next