Dr David Rawat a consultant paediatric gastroenterologist currently appointed as departmental lead for paediatric neuro-gastromotility disorders and endoscopy at The Royal London Hospital.Although based at The Royal London Hospital (Barts Healthcare Trust), Dr Rawat has substantive NHS appointment, which includes The Chelsea and Westminster Hospital, and privileges to practise privately at The Cromwell Hospital and The Portland Hospital.He is a member of the British Society of Gastroenterology, Hepatology and Nutrition (BSPGHAN) and European Society of Gastroenterology, Hepatology and Nutrition (ESPGHAN). He is also a part of the national paediatric working groups for gastro-oesophageal reflux, motility disorders and endoscopy.Diseases, Medical Tests and TreatmentsGastroscopyColonoscopyGastroeosophageal RefluxFeeding DifficultiesConstipationFood Intolerances / AllergiesInflammatory Bowel DiseaseNutritionCoeliac DiseaseIntestinal Failure