The liver and digestive system are all overseen by a pediatric gastroenterologist. This type of physician treats children dealing with issues in these parts of the body. Any nutritional issue within the body of a child is also examined, managed, and treated by this type of physician. Liver diseases, bowel complications, feeding problems, pancreas conditions, abdominal pain, food intolerances, and any gastrointestinal tract bleeding are all some of the things that this type of physician may deal with in a patient. Physicians in this specialty typically perform tasks such as various test to a child’s digestive system, endoscopic procedures for examination, or colonoscopies.