Placeholder Photo for Donald Mahon, MD

At St. Joseph Heritage Medical Group, we specialize in the prevention, treatment and reversal of heart disease and other cardiac conditions.


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St. Joseph Heritage Medical Group  

Accepting New Patients?

Yes, Dr. Donald Mahon is accepting new patients at this office.


1140 West La Veta Avenue, Orange, CA 92868

Office Details

Doctor Specialty Cardiology
Accepting New Patients? Yes
Languages Spoken English

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Insurance Accepted  

Please contact the doctor’s office to inquire about insurance.

About Dr. Mahon
Dr. Mahon



Dr. Mahon has one office in California where he specializes in Cardiology.

Dr. Mahon works with nine doctors including Dr. Paiwen Sheen and Dr. Yen Tran.


Languages Spoken  

  • English
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