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Michael Peter Siegenthaler, M.D.

4.9 out of 5
77 Ratings
Photo of Dr. Michael Peter Siegenthaler, M.D.

Assistant Professor of Surgery


Languages: English, French, German, Italian, Latin, Spanish

Expertise: Abdominal Aneurysms, Aneurysms, Angiography, Aortic Aneurysms, Aortic Dissections, Cardiac Surgery, Cardiomyopathy, Chest Pain, Endovascular Stent Grafts, Heart Failure, Mitral Valve Repair, Peripheral Vascular Disease, Valvular Heart Disease more

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Suburban Hospital


8600 Old Georgetown Road Bethesda, MD 20814 map

Phone: 301-896-7610


Michael Siegenthaler, M.D. is a surgeon at Johns Hopkins Community Physicians. He specializes in cardiac surgery. Dr. Siegenthaler operates a clinical practice out of the Cardiothoracic and Vascular Clinic at Suburban Hospital in Bethesda, Maryland.

Dr. Siegenthaler completed his fellowship in vascular and endovascular surgery at Albert-Ludwigs Universitaet Freiburg in Freiburg im Breisgau, Germany. He also completed residencies in surgery at University of Connecticut Health Center in Farmington, Connecticut, and thoracic surgery at Texas Heart Institute at St Luke’s Episcopal Hospital in Houston, Texas. He received his medical degree from University of Bern in Bern, Switzerland. Dr. Siegenthaler is board certified in surgery and thoracic surgery. He is fluent in English, Latin, Italian, Spanish, French and German.

Dr. Siegenthaler is recognized as one of the area’s “Top Doctors” in cardiac surgery by Washingtonian magazine. more


  • Assistant Professor of Surgery

Departments / Divisions



  • MD, University of Bern (1991)

Board Certifications

  • American Board of Surgery / Surgery- General (1999)
  • American Board of Thoracic Surgery / Thoracic and Cardiac Surgery (2001)

Videos & Media

Recent News Articles and Media Coverage

The Johns Hopkins Medicine Report with WTOP-FM: approach to heart treatment. 

Patient Ratings & Comments

The Patient Rating score is an average of all responses to physician related questions on the national CG-CAHPS Medical Practice patient experience survey through Press Ganey. Responses are measured on a scale of 1 to 5, with 5 being the best score. Comments are also gathered from our CG-CAHPS Medical Practice Survey through Press Ganey and displayed in their entirety. Patients are de-identified for confidentiality and patient privacy.

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