John D. R. Thomson, M.B.B.S.

Headshot of John D. R. Thomson
  • Director, Cardiac Catheterization
  • Professor (PAR) of Pediatrics


Aortic Coarctation, Atrial Septal Defects (ASD), Cardiac Catheterization, Cardiovascular Interventions, Congenital Heart Disease, Patent Ductus Arteriosus (PDA), Pediatric Cardiology, Pediatric Congenital Heart Disease, Ventricular Septal Defect more


Dr. Thomson is an interventional cardiologist at Johns Hopkins Children’s Center in Baltimore, Maryland. He serves as director of cardiac catheterization. He is part of the Blalock–Taussig–Thomas Pediatric and Congenital Heart Center.

Dr. Thomson earned his medical degree from the University of Nottingham Medical School. He completed residencies at Leeds Hospital as a resident of pediatric cardiology and The Prince Charles Hospital as a resident of cardiology and general medicine. His fellowship in pediatric cardiology was completed at Leeds General Infirmary.

His specific interests are neonatal palliation and percutaneous valve intervention but his main drive is identifying and answering questions of clinical importance to patients with congenital heart disease. more


  • Director, Cardiac Catheterization
  • Professor (PAR) of Pediatrics

Departments / Divisions



  • M.B.B.S.; University of Nottingham (United Kingdom) (1993)

Videos & Media

  • Play Video:

    Cardiac Catheterization for Children Q&A

  • Play Video:

    Innovations in Pediatric Congenital Heart Defect Treatment Webinar

  • Play Video:

    Q&A: Patent Ductus Arteriosus (PDA) with John Thomson, Ph.D., M.B.B.S.

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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