Areas of expertise for Dr. Grossman include achalasia, crohn's disease, and celiac disease. He is in-network for United Healthcare Platinum, United Healthcare Compass, and United Healthcare Navigate, as well as other insurance carriers. Before completing his residency at New York-Presbyterian Hospital and Columbia University Medical Center, Dr. Grossman attended medical school at UMDNJ-Robert Wood Johnson Medical School. Distinctions awarded to Dr. Grossman include: Children's Hospital of Philadelphia Pediatric Residency Faculty Honor Roll; South Jersey Magazine "Top Children's Physicians"; and Division of Gastroenterology, Hepatology, and Nutrition Fellow Teaching Award. He is professionally affiliated with Children's Hospital of Philadelphia (CHOP).