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Dana R. Janssen MD, BA

Associate Professor of Clinical Pediatrics, Director, Pediatric Catheterization Lab, and Interventional Cardiology Fellowship Director

Areas of Expertise

  • Adult Congenital Heart and Valve Conditions
  • Complex Single Ventricle Conditions
  • Congenital Neonatal, Infant and Pediatric Heart Conditions
  • General Pediatric Cardiology
  • Interventional Cardiology
  • Pediatric Cardiology
  • Pediatric Heart



  • Bachelor of Arts, 1992
  • Doctor of Medicine - University of Texas at San Antonio, 1996
  • Internship - University of Texas Health Science Center at San Antonio, 1997
  • Residency - University of Texas Health Science Center at San Antonio, 2000
  • Fellowship - Monroe Carell Jr. Children's Hospital at Vanderbilt, 2004

Board Certifications

  • Pediatric Cardiology - American Board of Pediatrics, 2004
  • Adult Congenital Heart Disease - American Board of Internal Medicine, 2019

Patient Comments

Patient Comments are gathered from the Press Ganey Patient Experience Survey and displayed in full. Patients are not identified in order to respect patient privacy.
The Doctor was excellent service
February 19, 2023
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*Dr. Janssen was wonderful. Would absolutely recommend him to others. We are so appreciative of his care! Never felt rushed. Had time to ask questions. He was concerned for our child. He is awesome!
December 30, 2022
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