Mark P. Johnson, MD, MS

Edisio Semeao, MD, is a pediatric gastroenterologist in the Division of Gastroenterology, Hepatology and Nutrition at Children's Hospital of Philadelphia. He is Director of the Gastroenterology Inpatient Service.

Children's Hospital of Philadelphia (CHOP) is renowned for its commitment to providing exceptional pediatric care, consistently recognized as one of the best children's hospitals in the nation. With a comprehensive range of services, from primary to urgent and specialty care, CHOP is dedicated to addressing both routine and complex health needs for children at every stage of life. At the forefront of pediatric medical innovation, CHOP's world-class teams are engaged in groundbreaking research that translates into life-changing solutions for patients. Through partnerships with community and government leaders, the hospital also works to enhance child health beyond its walls, aiming to create healthier futures for children and their families across the region. Generated from the website

Patrick Lawlor, MD, PhD, is a child neurology resident in the Division of Neurology at Children's Hospital of Philadelphia.