Ali Mencin Appointed Director of Pediatric Gastroenterology at VP&S

Ali Andre Mencin, MD, has been named director of the Division of Gastroenterology, Hepatology, and Nutrition in the Department of Pediatrics at Columbia University Vagelos College of Physicians and Surgeons (VP&S) and the NewYork-Presbyterian Morgan Stanley Children’s Hospital.

Mencin is associate professor of pediatrics at VP&S and director of the pediatric fatty liver clinic and pediatric endoscopy, and has previously served as medical director of children's services and vice chair for clinical ambulatory affairs in the Department of Pediatrics.


Ali Mencin on caring for children: “It's a privilege and a duty to be a pediatrician, and it's my goal to make sure that children are healthy enough that they're able to do all of the things that they should be able to do.”

“Mencin has been highly effective in all of his roles and has developed an inspiring vision for the division,” said Jordan Orange, MD, PhD, the Reuben S. Carpentier Professor and Chair of Pediatrics at VP&S and physician-in-chief of NewYork-Presbyterian Morgan Stanley Children’s Hospital. “He is a consummate physician-administrator and has a profound ability to advance people, programs, and care provided to patients. He is a gifted clinical researcher and extraordinary care provider to children.”

As a general pediatric gastroenterologist, Mencin has been recognized as a Castle Connolly Top Doctor as well as a New York Super Doctor. Mencin sees children with a range of digestive diseases, including fatty liver disease, inflammatory bowel disease, reflux, and abdominal pain.

Mencin joined Columbia in 2003 and was promoted to associate professor in 2018. He completed a fellowship in pediatric gastroenterology at Columbia and his pediatrics residency at the Children’s Hospital at Montefiore. He earned his medical degree from the Icahn School of Medicine at Mount Sinai School of Medicine.