Mary Ann Johnson is a general and oesophago-gastric surgeon. She works as a consultant at St Vincent’s Hospital, Box Hill Eastern Health, Royal Melbourne hospital and outreach to Shepparton Hospital (Goulburn Valley Health). Her main surgical and teaching interests are techniques for gallbladder surgery, abdominal wall and hiatus hernia surgery, gastroscopy, ERCP and advanced oesophageal and gastric surgery, in particular oesophageal and gastric cancer.
She teaches on RACS courses (ASSET and CcRISP). She currently holds a professional advisor position on the St Vincent's hospital human research ethics committee. She has been on the RACS Victorian state committee (2018 to 2020). She has demonstrated her passion for research by presenting nationally and internationally. Her current research interests are improving quality-of-life for patients who have major oesophago-gastric surgery.