Thomas Mahn, MD - Cardiology - Wheaton Franciscan Healthcare

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Patient Rating
4.8 / 5 (Based on 94 Reviews) Read Patient Comments

Thomas Mahn, MD, FACC

Specialties: Cardiology
"I try to communicate well with patients to allow them to participate in their own health-care decisions. I encourage patients to take ownership of their health-care decisions."


Accepting new patients.


Clinical Interests

  • Cardiovascular Imaging
  • Cardiac (Heart) Care
  • Cardiovascular Disease
  • General Cardiology
  • Interventional Cardiology
  • Echocardiography
  • Coronary Stenting
  • Pacemaker Implantation
  • Coronoary CT Angiography

Meet Dr. Mahn


  • English


  • St. Francis
  • Elmbrook Memorial
  • Franklin
  • St. Joseph


  • Medical School
    University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin
  • Residency
    University of Michigan - St. Joseph Mercy Health, Michigan
  • Fellowship
    1988 Medical College of Wisconsin Affiliated Hospitals


  • Internal Medicine
  • Cardiovascular Disease

Additional Practice Notes

Dr. Mahn's practice focuses on the diagnosis and treatment of coronary artery disease, valvular heart disease, cardiac arrhythmias and congestive heart failure. He has been trained in and regularly performs invasive and interventional procedures such as cardiac catheterization, coronary angioplasty and stenting, pacemakers and echocardiography. Dr. Thomas Mahn received three-year recognition beginning February 2015 by the National Committee for Quality Assurance Heart/Stroke Recognition Program.

Patient Reviews

Learn more about these ratings
April 10, 2017
I always have a good experience with Dr Mahn
March 06, 2017
I just sent a friend of mine to see Dr Mahn and she too was very pleased with the overall experience
July 27, 2016
As you can tell we were more then happy with our new Doctor.
July 20, 2016
Dr. Mahn saved my life with an emergency stent emplacement in the LAD & has provided excellent follow up examinations & stress tests.
June 25, 2016
Issue is heart related. No concern with Dr. Mahn but concern with Wheaton as an institution to treat heart problems.
June 21, 2016
I have received personal phone calls from Dr Mahn to clear up any lingering questions as results of my visit.
June 07, 2016
Dr Mahn , along with Dr Reuben, have seen me through a very serious heart condition. His confidence and expertise were instrumental in my recovery.
May 18, 2016
Dr Mahn is excellent in every aspect of his care.
May 14, 2016
I don't generally recommend health care providers to anyone.
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