Dr. Gassan Kassim joined the Department of Medicine in the Division of Gastroenterology as an Assistant Professor in July of 2025. He graduated from medical school as valedictorian at the University of Debrecen in Hungary. He completed his internal medicine residency at Mount Sinai in New York City. He completed his gastroenterology and hepatology fellowship training […]
Dr. Gassan Kassim joins the Department of Medicine
















































