William Brinson Orr  worr@wustl.edu

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Assistant Professor of Pediatrics, Cardiology
Associate Director, Pediatric Cardiology Fellowship

phone: (314) 454-6095

Clinical Interests

Reliable, hardworking and self-driven Pediatric Cardiologist. Comfortable with both inpatient and outpatient cardiology patients with an interest in inpatient cardiac medicine, sports and exercise physiology, and exercise testing. Additional focus on clinical education, fellowship training and quality improvement. Able to establish strong rapport with all patients. Adept at communicating with patients, relatives, hospital and community physicians and nursing staff.


  • BS, Magna Cum Laude, University of Georgia2009
  • MD, Medical College of Georgia2013


  • Pediatric Resident, Washington University2013 - 2016
  • Pediatric Cardiology Fellow, Washington University2016 - 2019

Licensure and Board Certification

  • 2013 - 2016Mo, Missouri State Board of Healing Arts Medical License (Temporary)
  • 2013 - PresBasic Life Support
  • 2013 - PresPediatric Advanced Life Support
  • 2016 - PresMo, State of Missouri Medical License issued by the Missouri State Board of Registration for the Healing Arts
  • 2016 - PresPediatric Board Certified by the American Board of Pediatrics
  • 2016 - PresBNDD
  • 2017 - PresAdvanced Cardiovascular Life Support
  • 2019 - PresIndividual DEA

Honors and Awards

  • Department of Pediatrics 2018 Unsung Heroes Award2018
  • Outstanding Fellow Teaching Award: Department of Pediatrics2019
  • First Place Moderated Poster Presentation Session at the 7th Annual Cincinnati Clinical Exercise Testing and Therapeutics Symposium2020

Recent Publications view all (4)

Publication Co-Authors

  1. Successful Institutional Development of a Pediatric Exercise Stress Testing Program after the Establishment of a Dedicated Exercise Team JEPonline. 2020;23(3):8. 
  2. Institutional experience of healthy pediatric patients presenting with atrial fibrillation who had an electrophysiology study. J Card Surg. 2020. PMID:32163635 
  3. Recanalization of an atretic intramural left main coronary artery after bypass surgery in a pediatric patient with anomalous aortic origin of the left main coronary artery arising from the right sinus of Valsalva. Catheter Cardiovasc Interv. 2019. PMID:31802625 
  4. Erythematous atrophic plaque in the inguinal fold. Cutis. 2016;97(5):334;341;342. PMID:27274547 
Last updated: 08/11/2020
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