Douglas Field, M.D. received his medical degree from Jefferson Medical College. He completed his Pediatric residency training at Thomas Jefferson University Hospital and Pediatric Gastroenterology and Nutrition fellowship at John’s Hopkins Hospital. He joined the Division of Pediatric Gastsroenterology and Nutrition in 1995 and currently is the Division Chief. His clinical interests include dysphagia, food refusal and feeding difficulty in children. He is currently the Medical Director of the Penn State Children’s Hospital Feeding Program.
M. Azim Qureshi, M.D.
Bart Rountree, M.D. received his medical degree from the University of Texas School of Medicine. He completed his Pediatric Residency and Pediatric Gastroenterology and Nutrition Fellowship at the Children’s Hospital of Los Angeles. He has clinical interests in pediatric liver disease including infectious and autoimmune hepatitis, biliary atresia, obesity and cystic fibrosis related liver disease. He also performs research in understanding the role of liver stem cells in liver regeneration. Dr. Rountree joined our faculty in 2007.
William Wenner, M.D. received his medical degree from Penn State College of Medicine and was trained in pediatrics at Stanford University Hospital in California. He completed his Pediatric Gastroenterology and Nutrition training at The Children’s Hospital of Philadelphia. Publishing over 40 articles and books, he has practiced at the University of California Davis and The Children’s Hospital of Philadelphia for almost 20 years. He has a special interest in Inflammatory Bowel Disease. Dr. Wenner joined our faculty in 2008 and currently is the Director of Pediatric Gastroenterology and Nutrition Clinical service.
Keith Williams, PhD is the Director of the Penn State Hershey Children’s Hospital 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 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 Bahavior Analyst.
Lisa KH Ingalls, CRNP is a Nurse Practitioner. She has a Master’s Degree in Nursing from the University of Pennsylvania, and has been in the Division of Pediatric Gastroenterology and Nutrition since 2000.
Laurie A. Yuncker, CRNP is a Certified Pediatric Nurse Practitioner. She received her Master of Science degree from the University of Maryland at Baltimore. She has been with the Division of Pediatric Gastroenterology and Nutrition since 2003. Prior to joining the Division of Pediatric Gastroenterology and Nutrition she worked in the division of Pediatric Neurology.
The Division of Pediatric Gastroenterology and Nutrition has outreach clinics in
Call the CareLine at (717) 531-6955 or (800) 243-1455
- Staffed by Information and Referral Specialists 24-hours/day; 7 days/week
- Provides general information regarding services for patients, health care agencies, health care professionals, and the public
- Assists callers in locating a physician specializing in treatment of certain illnesses or who meet an expressed personal preference
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- Completes patient registration and schedules and confirms appointments for several departments
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- Maintains up-to-date health and human service information and distributes information on Hershey Medical Center services
- Refers callers to particular services or trained professionals best equipped to meet their needs
- Provides information on active research concerning a specific disease or disorder
