Dr. James Portzer, D.O.
Upstream Medical Care and Aesthetics
Dr. James Portzer is board certified in emergency medicine with more than two decades of experience treating patients. Dr. Portzer received a bachelor's degree in biology from Villanova University and his medical degree from New York College of Osteopathic Medicine. Dr. Portzer then completed an internship at United Health Services Hospital in Johnson City, NY, prior to a residency at Memorial Hospital in York, PA, along with extensive training in trauma management.
When not in the office, Dr. Portzer enjoys flyfishing, white water kayaking, hiking, mountain biking, and staying fit.