Dr. William O'Brien Sr. is a board-certified neuroradiologist and serves as Chief of Pediatric Neuroradiology at Orlando Health Arnold Palmer Hospital for Children. His expertise covers all aspects of pediatric neuroimaging with a particular focus on head and neck pathology in children. His experience includes:
- CT scans, MRIs and other imaging platforms
- Risks of radiation and contrast administration
- Diagnosis of neurological diseases in newborns, infants, children and adolescents
Before joining Orlando Health Arnold Palmer, Dr. O’Brien was Chief of Neuroradiology and Director of Pediatric Neuroradiology Fellowship at Cincinnati Children’s Hospital. Before that, he served 20 years in the military with academic assignments as a Radiology Residency Program Director and Department Chairman.
Dr. O'Brien's Training
Dr. O’Brien earned his doctorate of osteopathy from the Philadelphia College of Osteopathic Medicine, graduating summa cum laude. He completed his diagnostic radiology residency at David Grant USAF Medical Center at Travis Air Force Base in California, followed by neuroradiology and pediatric neuroradiology fellowships at the University of Cincinnati Medical Center and Cincinnati Children’s Hospital Medical Center.
About Dr. O'Brien
Considered an expert in pediatric neuroradiology, Dr. O’Brien frequently serves as a visiting professor, guest lecturer and conference speaker. His medical publications include dozens of peer-reviewed articles and the case review study books “Top 3 Differentials in Radiology” and “Top 3 Differentials in Neuroradiology.”
He is a fellow and past president of the American Osteopathic College of Radiology and is board certified in diagnostic radiology and neuroradiology by the American Board of Radiology. He serves on the executive committee of the American Society of Pediatric Neuroradiology.