Accepting New Patients
Offers Video Visits
Medical Group Provider

Donald Mahon, MD

4.9 out of 5 (238 Ratings)
Specialty
  • Cardiology
    (Board Certified)
  • Interventional Cardiology
Languages
English
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The Golden State Patient Experience Awards is Providence’s California-wide program recognizing providers in Northern and Southern California who consistently deliver outstanding patient experiences, based on patient feedback and experience scores.

Primary Address | Office Details
St. Joseph Heritage Orange - Cardiology
1140 West La Veta Avenue
Suite 430

Orange, CA 92868

Phone: (714) 543-5555

Medical Groups & Affiliations
  • St. Joseph Heritage Medical Group
  • St. Joseph Hospital (Orange)
Get Connected
to Your Provider
(714) 543-5555
  • Shortly after this visit I was hospitalized elsewhere and Dr Mahan responded to personally to my concerns. . . A true professional. I trust him with my life.
    Dr Mahon is very thorough and caring. I admire, trust and like him!
    I feel I can trust him
    14-Nov-2025
    Thank you for sharing your experience with us. Your feedback is valuable to our improvement. If you'd like to further discuss your experience with us, please email us at Transparency@stjoe.org with comment ID 206505404 in the subject line.
    Dr Mahon is a great doctor
    So far all experiences have been good with my cardiologist
    100 Total Comments Page 1 2 3 4 5 6 7  . . . 16 17 18 19 20   Next
  • Meet The Provider
    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.

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    Primary Specialties
    Primary Specialties
    • Cardiology
      (Board Certified)
    • Interventional Cardiology
    Other Specialties
    Other Specialties
    • Internal Medicine
    Associations Areas of Interest
    Areas of Interest

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

    Certifications
    Board Certifications

    American Board of Internal Medicine, Internal Medicine

    American Board of Internal Medicine, Cardiovascular Disease

    National Board of Physicians and Surgeons, Internal Medicine

    Education
  • Insurance Accepted

    Insurance Accepted

    • Insurance Plan

    • Aetna HMO
    • Aetna Medicare Advantage HMO
    • Aetna Medicare Advantage PPO
    • Aetna PPO
    • Anthem Blue Cross HMO
    • Anthem Blue Cross Medicare Advantage
    • Anthem Blue Cross Medicare PPO
    • Anthem Blue Cross PPO
    • Blue Shield of CA HMO
    • Blue Shield of CA HMO - Trio
    • Blue Shield of CA Medicare Advantage
    • Blue Shield of CA PPO
    • Choice/Humana PPO
    • Cigna HMO
    • Cigna PPO
    • Coventry/First Health PPO
    • Health Net - Medicare Advantage
    • Health Net HMO
    • Health Net PPO
    • HealthSmart (Interplan) PPO
    • Multiplan PPO
    • Providence Health Plan - Medicare Advantage
    • SCAN Medicare Advantage
    • TriWest - Tricare
    • United Healthcare HMO
    • United Healthcare Medicare Advantage
    • United HealthCare PPO
    • US Family Health Plan - TriCare
    • Vivity by Anthem Blue Cross
 
  • Primary Location

St. Joseph Heritage Orange - Cardiology