Thomas G. Fenske, M.D.

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Get to know Interventional Cardiologist Dr. Thomas G. Fenske, who serves patients throughout the State of Wisconsin.

A passionate interventional cardiologist, Dr. Fenske is affiliated with Ascension Medical Group, offering his services at Ascension Wisconsin SE Hospital Elmbrook Campus, Ascension Wisconsin SE Franklin Campus, Ascension Wisconsin St. Francis Hospital, Ascension Wisconsin SE St. Joseph Campus, and Midwest Orthopedic Specialty Hospital Wisconsin. 

He provides acute and chronic general and preventive cardiology care as well as cardiac and peripheral vascular intervention to adults. He also has a special interest in interventional cardiology and peripheral vascular disease.

Believing the heart is the most vital organ of the body, responsible for providing the entire being with life-sustaining energy, Dr. Fenske’s passion in life is to work with his patients while applying the latest technology to optimize their heart health and preserve life to its fullest.

Ascension is a faith-based healthcare organization dedicated to transformation through innovation across the continuum of care. As one of the leading non-profit and Catholic health systems in the U.S., Ascension is committed to delivering compassionate, personalized care to all, with special attention to persons living in poverty and those most vulnerable. The national health system operates more than 2,600 sites of care – including 146 hospitals and more than 40 senior living facilities – in 19 states and the District of Columbia, while providing a variety of services including clinical and network services, venture capital investing, investment management, biomedical engineering, facilities management, risk management, and contracting through Ascension’s own group purchasing organization.

Academically, Dr. Fenske holds a Bachelor’s degree from the University of Wisconsin – Milwaukee. He earned his medical degree from the Medical College of Wisconsin. He then went on to complete his internship and residency in internal medicine at the same educational venue, followed by a fellowship in cardiovascular disease at the University of Wisconsin – Madison.

A Fellow of the American College of Cardiology (FACC), the doctor is board-certified in internal medicine, cardiovascular disease, and interventional cardiology by the American Board of Internal Medicine (ABIM). The ABIM is a physician-led, non-profit, independent evaluation organization driven by doctors who want to achieve higher standards for better care in a rapidly changing world.

Furthermore, he is board-certified in vascular medicine through the American Board of Vascular Medicine, and in nuclear cardiology through the Certification Board of Nuclear Cardiology.

Interventional cardiology is a branch of cardiology that deals specifically with the catheter-based treatment of structural heart diseases. An interventional cardiologist specializes in diagnosing and treating conditions and diseases of the heart and blood vessels using nonsurgical, catheter-based procedures and specialized imaging techniques.

As a testament to his dedication to his patients, Dr. Fenske was awarded the Patients’ Choice Award in 2017.

Outside of the office, he enjoys spending time with his family, fly fishing, and traveling.

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