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Advanced cardiac care to get you back to those you love


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Mark C. Thel

M.D., FACC, Interventional Cardiologist


Dr. Mark Thel is board certified in cardiology and interventional cardiology. He earned his medical degree at Georgetown University School of Medicine and completed his internship, residency, cardiology fellowship, and interventional training at Duke University School of Medicine. Dr. Thel is a fellow of the American Board of Cardiology.

TAVR team


To learn more about CHI Memorial’s Heart Valve Program, talk with your physician or call the valve clinic coordinator at (423) 495-4327.



CHI Memorial is honored to be one of 48 hospitals in the nation that received a ‘high performing’ rating in all nine surgical procedures and chronic conditions evaluated by U.S. News, including heart failure, heart bypass, aortic valve and AAA Repair.



The area’s most experienced cardiologists and cardiothoracic surgeons are ready to take care of you.



Inspiring new hope in people who are not eligible for traditional surgery.