Dr Peter Hamer is a highly qualified General and Upper Gastrointestinal (GI) Surgeon offering a world-class, multidisciplinary surgical service across the Central Coast. Specialising in advanced laparoscopic (keyhole) procedures, Dr Hamer provides expert care in weight loss (bariatric) surgery—such as sleeve gastrectomies and gastric bypasses—as well as complex surgeries for stomach and oesophageal cancers, large hiatal hernias, chronic reflux, and general conditions like gallbladder disease and hernias.