Dr. Mary Ann Johnson is an oesophageal and gastric surgeon for benign and cancerous conditions in Melbourne. She is passionate about surgical excellence and quality of life after surgery. While she has a broad experience in many aspects of general surgery, her sub specialty interests include achalasia and oesophageal, gastric cancer, gallstones, groin hernia, reflux, gastric ulcers, abdominal wall hernia, hiatus hernia and diaphragmatic hernia.