Our Providers

Keith Williams, PhD.,  is the Director of the Feeding Program. He is an Associate Professor of Pediatrics at the Penn State College of Medicine. Prior to coming to Hershey, Dr. Williams was a faculty member in the Kennedy Krieger Institute’s Pediatric Feeding Disorders Program. He specializes in the behavioral treatment of childhood feeding disorders. Dr. Williams also treats a wide array of behavior problems found among children with developmental disabilities. He is licensed as a psychologist in Maryland and Pennsylvania and is also a Board Certified Behavior Analyst.

Douglas Field, M.D., is the Director of the Feeding Program and provides the medical supervision for the Feeding Program. Dr. Field is a Pediatric Gastroenterologist who has worked at the Hershey Medical Center since 1995. He is the Chief of the Pediatric Gastroenterology and an Associate Professor of Pediatrics at the Penn State College of Medicine. His interests include food refusal in children. Previous to his appointment here at Hershey, Dr. Field completed a fellowship in Pediatric Gastroenterology at the Johns Hopkins Hospital and worked extensively with the Pediatric Feeding Disorders Program at the Kennedy Krieger Institute in Baltimore, Maryland.

Katherine Riegel, M.A., is a Feeding Therapist II. She has been with the Program for five years and works with the intensive day treatment program. She has a Master’s degree in Applied Behavior Analysis.

Bridget Gibbons, M.A., is a Feeding Therapist II. She has been with the Program for three years and works with the intensive day treatment program. She has a Master’s degree in Applied Behavior Analysis.