Gonzalo Montalvan, MD, practices internal medicine. Dr. Montalvan graduated from the University of Guayaquil in Ecuador. He completed an internship at the Mount Sinai School of Medicine in Elmhurst and residency at Mount Sinai School of Medicine in the Bronx. Dr. Montalvan was also the recipient of a fellowship from the Albert Einstein School of Medicine in the Bronx. He listens to patients but also takes time to make sure they understand their illness and its treatment.