Dr. John R. Onufer MD, FACC, FHRS

John Onufer

Dr. John Onufer is a board certified electrophysiologist. He attended medical school and was fellowship trained in cardiology and electrophysiology at Washington University School of Medicine. Dr. Onufer has special competency in cardiac pacing and cardioversion defibrillation and has been the principal investigator in numerous research studies to promote the development of innovative therapies for heart rhythm disorders. He is a Fellow with the American College of Cardiology and is a member of the American Heart Association and Heart Rhythm Society.

  • Ablation Therapy
  • Arrhythmia – Heart Rhythm Problems
  • Cardiac Electrophysiology
  • Hybrid Maze Procedure
  • Laser Lead Extraction
  • Pacemakers and ICDs
  • Watchman Procedure

Undergraduate
University of Notre Dame, Notre Dame, IN
Medical School
Washington University School of Medicine, St. Louis, MO

Internal Medicine
Washington University School of Medicine, St. Louis, MO

Cardiology
Washington University School of Medicine, St. Louis, MO
Electrophysiology
Washington University School of Medicine, St. Louis, MO

  • Internal Medicine
  • Cardiovascular Disease
  • Clinical Cardiac Electrophysiology