Jonathan W. Byrnes, MD

Attending Cardiac Intensivist, Cardiac Intensive Care Unit

Assistant Professor, UC Department of Pediatrics

Phone: 513-803-1801


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Jonathan Byrnes, MD, is an assistant professor of pediatrics with the University of Cincinnati College of Medicine and an attending cardiac intensivist in Cincinnati Children’s Hospital Medical Center’s Cardiac Intensive Care Unit. He joined the faculty in July 2013. 

A native of Mississippi, Dr. Byrnes graduated with Honors from University of Mississippi and earned his medical degree from University of Mississippi Medical Center in 2005. He completed his pediatric residency at Blair Batson Children's Hospital in Jackson, MS and a combined fellowship in cardiology and critical care medicine at Arkansas Children's Hospital. Dr. Byrnes’s clinical interests are providing superb, cost-effective care and delivering cohesive management amongst all specialties in the cardiac intensive care unit.

Dr. Byrnes is active in clinical and translational research involving extracorporeal life support that would benefit critically ill children. This research is primarily focused on the biocompatibility of the patient / device interface and the associated interaction of the coagulation and inflammatory pathways. The aim of these endeavors is to ultimately decrease the incidence of end organ dysfunction and stroke associated with these therapies.

Education and Training

MD: University of Mississippi Medical Center, Jackson, MS, 2005.

Residency: Pediatrics, University of Mississippi Medical Center, Jackson, MS, 2008.

Fellowships: Combined Pediatric Cardiology and Pediatric Critical Care Medicine, Arkansas Children's Hospital, University of Arkansas Medical Sciences, Little Rock, AR, 2013.

Certification: American Board of Pediatrics, 2008.


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