William Frank Simonds, MD

Dr. Schaaf is a graduate of the Drexel University College of Medicine (formerly Medical College of Pennsylvania Hahnemann School of Medicine). He completed his residency in diagnostic radiology at Eastern Virginia Medical School, Norfolk, VA, where he served as chief resident. He also completed his pediatric radiology fellowship at Cincinnati Children’s Hospital Medical Center. His special interests include cardiac imaging. His research on using magnetic resonance sleep studies to predict the success or failure of genioglossus advancement in the treatment of obstructive sleep apnea was selected for presentation at the Society for Pediatric Radiology in April 2009.

Dr. Elie Portnoy is an Assistant Professor of Radiology and Radiological Science in the Johns Hopkins Medicine Interventional Radiology Department and Diagnostic Imaging Department at Johns Hopkins Hospital.Dr. Portnoy received his undergraduate degree, Summa Cum Laude, in Biology from Yeshiva University. He earned his medical degree from NYU School of Medicine with Alpha Omega Alpha Honors Society Distinction. He completed an internal medicine internship at the North Shore-LIJ Hospital System in Long Island, NY. He then completed his diagnostic radiology residency and performed a subspecialty fellowship in interventional radiology at Johns Hopkins Hospital. Dr. Portnoy joined the Johns Hopkins faculty in 2017.Dr. Portnoy's clinical specialty work and research has centered on interventions related to Submassive and Massive Pulmonary Embolism, as well as Uterine Artery and other visceral embolizations.Dr. Portnoy was awarded Hospital Radiology High-Value Ambassador in 2016. He was voted both residency and fellowship Teacher of the Year in successive years. He is a member of the American College of Radiology, Society of Interventional Radiology and Radiologic Society of North America.

Dr. Poonum S. Korpe is a faculty member at the Johns Hopkins University School of Medicine and the Johns Hopkins Bloomberg School of Public Health. Her area of clinical expertise is infectious diseases.Dr. Korpe earned her M.D. at Eastern Virginia Medical School. She completed her residency and performed a fellowship in infectious diseases at University of Virginia Health System.She is currently investigating the natural history of cryptosporidiosis in Bangladeshi children as a way to better understand human immune responses to the infection.