John A. Dieck Jr., MD

John A. Dieck Jr., MD
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John A. Dieck Jr., MD

Dr. John Dieck earned his medical degree at the Baylor College of Medicine, Houston, Texas, where he also completed his residency training in Internal Medicine.  Dr. Dieck concluded his training with a fellowship in Cardiovascular Medicine and Interventional Cardiology at St. Luke’s Hospital, the Texas Heart Institute, Houston, Texas.  Dr. Dieck served as Chief Medical Resident in Internal Medicine at St. Luke’s Hospital and as Chief Cardiology Fellow at the Texas Heart Institute. Dr. Dieck has been in private practice in Austin since 1990. During this time, he has served as the Chief of Catheterization Laboratories for Seton Medical Center, St. David's Episcopal Hospital, and South Austin Medical Center, and as the Director of Heart Failure and Cardiac Transplantation at Seton Medical Center. 

Dr. Dieck is board certified by the American Board of Internal Medicine in Internal Medicine and Cardiovascular Disease.  Dr. Dieck is a Fellow of the American College of Cardiology and a Fellow of the American College of Physicians.  He is a member of the International Society for Heart and Lung Transplantation, the Clinical Council of the American Heart Association, the Travis County Medical Society, and the Texas Medical Association.  Dr. Dieck previously served as the President and Chief Executive Officer of Texas Cardiovascular.  During his leadership, the practice experienced signficant growth in its physician ranks and its position in the Austin market.  Dr. Dieck is fluent in English and Spanish.

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  • Cardiology
  • Internal Medicine

Hospital Affiliation

  • Seton Highland Lakes
  • Seton Medical Center Austin
  • Seton Northwest Hospital
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Provides Care Through

  • Texas Heart & Vascular, P.A.

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