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.

Recent News

Covenant Children’s NICU Caregivers Assist with Hurricane Harvey Evacuation

Covenant Children’s NICU Caregivers Assist with Hurricane Harvey Evacuation

| Contributor: kcbd Read More
Systems Embark on Making Health Care 'Friendly' for the Elderly

Systems Embark on Making Health Care 'Friendly' for the Elderly

| Contributor: Catholic Health World Read More
St. Joseph Hoag Health Hospitals Rank Among California's Best in Latest U.S. News & World Report's Listings of Best Hospitals

St. Joseph Hoag Health Hospitals Rank Among California's Best in Latest U.S. News & World Report's Listings of Best Hospitals

| Contributor: U.S. News & World Report Read More

Here you can find news articles and press releases from St. Joseph Health and it's locations.

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.

Giving back to the community. St. Joseph Health System Office

Donald J. Mahon, MD

4.8 out of 5
Specialty
  • Cardiology
  • Cardiovascular Disease
  • Interventional Cardiology
Address
1140 W. La Veta Ave.
Suite 430
Orange, CA 92868

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

Medical Groups & Affiliations
  • St. Joseph Heritage Medical Group
  • St. Joseph Hospital Affiliated Physicians

Video

  • Specialties & Education

    Specialties & Education

    Primary Specialties
    • Cardiology
    • Cardiovascular Disease
    • Interventional Cardiology
    Education
    • 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
  • 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.

  • 2-Sep-2017
    Was very helpful.
    27-Aug-2017
    Exceptional cardiologist and human being. Really felt like he is a partner in my healthcare decisions and management.
    21-Aug-2017
    *Dr. Mahon is a very professional dr. he is very excellent very good & kind.
    27-Jul-2017
    I have recommended Dr Mahon to my friends and family who need a Cardiologist, and a great one he is. Dr is always up front and explains everything to me in detail. He did my heart catch in 2000 I was 53 yrs old at the time. I'm now 70 yrs old and he still continues to keep me going.
    25-Jul-2017
    *Dr. Mahon is an exceptional MD. I am very confident in his abilities to provide the best care possible for my health issues.
    17 Total Comments Page 1 2 3 4   Next