Intro.


A/Prof Marios Efthymiou is an experienced Gastroenterologist who deals with a wide variety of gastrointestinal problems with a subspecialty interest in quality endoscopy. He combines an academic practice through Austin Health with research and teaching commitments with private practice through John Fawkner Hospital. A/Prof Efthymiou aims to offer a timely, personalised and thorough approach to the diagnosis and management of gastrointestinal conditions.

Endoscopic procedures.


  • Gastroscopy
  • Colonoscopy
  • Capsule Endoscopy
  • EUS - endoscopic ultrasound
  • Single and double balloon Enteroscopy
  • ERCP
  • Advanced resection incuding EMR and ESD
  • HALO/RFA for treating Barrett's dysplasia
  • Z-POEM, Septoplasty for Zenker's diverticulum
  • Stenting for palliation of luminal obstruction


Specific areas of interest.


  • Colon cancer screening
  • Coeliac disease
  • Irritable bowel syndrome
  • Reflux
  • Barrett's oesophagus
  • Swallowing disorders including Achalasia
  • Helicobacter Pylori including resistant organisms
  • Removal of large polyps
  • Endoscopic treatment of early GI cancer
  • Fatty liver
  • Bile duct stones
  • Inflammatory bowel disease
  • Pancreas cancer screening
  • Gastroparesis