• General Surgery
  • General surgery, Upper GI

Areas of interest


Mary Ann Johnson is a general and oesophagogastric surgeon. Her main surgical and teaching interests are techniques for gallbladder surgery, hernia surgery, gastroscopy, ERCP and advanced oesophageal and gastric surgery, in particular oesophageal and gastric cancer. She teaches on Royal Australasian College of Surgeon (RACS) courses (ASSET and CCRiSP). She currently holds a professional advisor position on the St Vincent's hospital human research ethics committee and previous elected member to the RACS Victorian State Committee. She has demonstrated her passion for research by presenting nationally and internationally. Her current research interests are improving qualityoflife for patients who have major oesophagogastric surgery.

Consulting locations

Consulting Location

Epworth Eastern - East Wing Tower

Level 13, Suite 13.4
1 Arnold Street
Box Hill VIC 3128

Epworth locations


Epworth Eastern


Epworth Freemasons Albert Street


Epworth Richmond


  • MBBS (Hons), James Cook University, 2005
  • FRACS, RACS, 2013
  • ERCP, GESA, 2016
  • Post-Fellowship Upper Gastrointestinal program, ANZGOSA, 2016

Education and training

  • RACS instructor: CcRISP and ASSET
  • Provides tutorials for medical students and doctors in training


  • RCT: Pancreatic exocrine insufficiency post UGI surgery (ANZCTR):12613000269730
  • Does Volume matter? Assessing volume of peritoneal cytology.

Professional Associations

  • RACS
  • AMA
  • GSA

Public Appointments

  • VMO, St Vincent's Hospital, Melbourne
  • VMO UGI Surgeon, Royal Melbourne Hospital, Melbourne
  • UGI Surgeon, Box Hill Hospital, Eastern Health

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