Dr. Serrano completed her Pediatrics residency and Pediatric Gastroenterology, Hepatology and Nutrition fellowship in New Orleans - Louisiana State University and Tulane University. She is the Division Chief for Pediatric Gastroenterology, Hepatology and Nutrition and is also Vice Chair for the Department of Pediatrics at MedStar Georgetown University Hospital.  Dr. Serrano is an Associate Professor in Pediatrics at Georgetown University.

Dr. Serrano has a special interest in nutritional support and inflammatory bowel disease. Dr. Serrano is a member of the Crohn's and Colitis Foundation and is co-chair for its Pediatric Affairs Committee.  She is also the director for the pediatric task force of PANCCO (Pan American Crohn's and Colitis Organization) which strives to enhance education on Crohn's disease and ulcerative colitis for professionals, patients and their families in Latin America. She is board certified both in Pediatrics and Pediatric Gastroenterology.