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    • Dr Niroshan Muwanwella
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    • Our Team
      • Dr Niroshan Muwanwella
      • Prof Krish Ragunath
      • Dr Malik Janjua
      • Dr Jacob Ooi
      • Ms Ele Stojanoska
      • Ms Jenna Vidal
      • Ms Katie Coetsee
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      • Advanced Procedures
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  • Home
  • Our Team
    • Dr Niroshan Muwanwella
    • Prof Krish Ragunath
    • Dr Malik Janjua
    • Dr Jacob Ooi
    • Ms Ele Stojanoska
    • Ms Jenna Vidal
    • Ms Katie Coetsee
  • Services
  • Advanced Procedures
    • Advanced Procedures
    • ESD
    • Zenker's POEM
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Dr Jacob Ooi MBBS, FRACP

Gastroenterologist / Hepatologist

Dr Jacob Ooi is an adult gastroenterologist who manages all gastroenterological and hepatological conditions. He has completed clinical and reasearch fellowships at  Royal Adelaide Hospital and Sir Charles Gairdner. He has a wide area of interest including general gastroenterology as well as chronic liver disease management. He is a CCTRGE certified endoscopist who is very comitted to providing high quality endoscopic procedures (Gastroscopy and Colonoscopy) for his patients.  He is a member of  Royal Australasian College of Physician and Gastroenterological Society of Australia.

He is a very approachable and experienced clinician who is committed to delivering comprehensive patient focused care. 

  • Gastroscopy and Colonoscopy
  • Liver disease – (Eg: Viral hepatitis, Metabolic Dysfunction Associated Steatotic Liver etc)
  • Colorectal cancer screening
  • Irritable bowel disease
  • Coeliac disease
  • Gastro-oesophageal reflux disease
  • Peptic ulcer disease

Publications

Wallace MC, Samuelson S, Khoo T, Ooi J, Tibballs J, Ferguson J, Preen DB, Knuiman M, Garas G, MacQuillan G, Adams LA, Jeffrey GP. The MAAPE score in intermediate and advanced hepatocellular carcinoma treated with Yttrium-90 resin microsphere radioembolization. J Gastroenterol Hepatol. 2020 Nov;35(11):1945-1952. doi: 10.1111/jgh.15008. Epub 2020 Feb 23. PMID: 32036614.


Ramlaul N, Ooi J, Jeffrey GP, MacQuillan G, Garas G, Adams LA, Iqbal M, Nolan N, Houlihan DD, McCormick PA, Mac Nicholas R. Liver Transplantation in Adults With Liver Disease Due to Common Variable Immunodeficiency Leads to Early Recurrent Disease and Poor Outcome. Liver Transpl. 2018 Nov;24(11):1622-1626. doi: 10.1002/lt.25343. PMID: 30260552.

  • GP Referrals

Riverview Endoscopy

91 Monash Avenue, Nedlands WA 6009, Australia

08 9385 6938

Copyright © 2025 Riverview Endoscopy - All Rights Reserved.

Precise Gastroenterology Clinic ACN 688410193

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