Dr. Dieck - 2018 Super Doctor

John A. Dieck, MD, is the President of Texas Heart & Vascular, and the current Director of Advanced Heart Failure for St. David's Healthcare Partnership.

Dr. Dieck earned his medical degree at the Baylor College of Medicine in Houston, TX, 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, TX. He has 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. He is a Fellow of the American College of Cardiology and a Fellow of the American College of Physicians. He is also 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 is fluent in English and Spanish.


Medical School
Baylor College of Medicine

Baylor College of Medicine

Fellowship in Cardiovascular Medicine

Certifications & Memberships

American Board of Internal Medicine - Internal Medicine and Cardiovascular Disease



Languages Spoken

English, Spanish


Cardiovascular Disease
Interventional Cardiology

Office Locations

Austin - South Post Oak Centre
4316 James Casey St
Building C
Austin, TX 78745
Phone: (512) 623-5300
Fax: (512) 623-5399

Additional Locations

Marble Falls

2503 Hwy 281 N, Suite 260
Marble Falls, TX 78654
Phone: (512) 623-5300

Hospital - St. David's South Austin Medical Center

901 W Ben White Blvd
Austin, TX 78704
Phone: (512) 447-2211