Dr. Gregory Hirsch is a pulmonologist in Escondido, California and he works at several hospitals in the area, such as Palomar Medical Center and Pomerado Hospital. He got his diploma from David Geffen School of Medicine at UCLA and did his residency years in Internal Medicine and a fellowship in Pulmonary Disease at Harbor - UCLA Medical Center. The doctor is certified in Internal Medicine, Pulmonary Disease, and Critical Care Medicine and has an experience of more than 20 years.