At Forum Specialists our Inner West Sydney based Gastroenterologists specialise in the diagnosis and treatment of various disorders affecting the digestive/gastrointestinal system. A gastroenterologist is a medical expert who focuses on the entire gastrointestinal tract (esophagus, stomach, intestines) and biliary organs (liver, gall bladder, bile ducts) Dr. Mark Bonnichsen is a renowned gastroenterologist based in Sydney, associated with Forum Specialists.. Dr Bonnichsen provides comprehensive care for all gastrointestinal issues, from routine check-ups to complex treatments. Call us - 02 9188 2325.