The Johns Hopkins Pediatric Gastroenterology, Hepatology and Nutrition practice at Johns Hopkins Community Physicians in Frederick is located in Suite 109. The division is dedicated to providing the highest quality medical care and state-of-the-art techniques in the evaluation and treatment of gastrointestinal, liver and nutritional disorders. Our internationally recognized expert pediatric gastroenterologists and hepatologists work together with certified nurse practitioners, nurses and dietitians to help children with a variety of gastrointestinal symptoms including chronic abdominal pain, reflux, constipation, vomiting and nausea.