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Dr John Mok Shao Rong

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  • Associate Consultant, Division of Gastroenterology and Hepatology, Department of Medicine, Alexandra Hospital
  • Associate Consultant, FAST Programme (Get Better), Alexandra Hospital
  • Associate Consultant, Division of Gastroenterology and Hepatology, Department of Medicine, National University Hospital


MBBS (Singapore)



Clinical Disciplines/Programmes:

Gastroenterology ´╝ć Hepatology, Medicine

Special Interests:

Diagnostic and Therapeutic Endoscopy, Management of Inflammatory Bowel Disease


Dr John Mok is a Consultant in Gastroenterology and Hepatology at Alexandra Hospital and National University Hospital. He is involved in the management of patients with gastroenterology and hepatology conditions with a subspecialty interest in Inflammatory bowel disease which includes managing inpatients and outpatients as well as endoscopy. 

Dr John Mok graduated from the Yong Loo Lin School of Medicine, National University of Singapore with an MBBS in 2014. His postgraduate academic qualifications include Masters of Internal Medicine (Singapore) and Membership of the Royal College of Physicians (United Kingdom) in 2018. He had completed junior residency in the NUHS Internal Medicine programme in 2019 and senior residency in the NUHS Gastroenterology and Hepatology programme in 2022.

Journals & Publications

1. Hu S, Mok J, Gowans M, Ong DEH, Hartono JL, Lee JWJ. Oral Microbiome of Crohn's Disease Patients With and Without Oral Manifestations. J Crohns Colitis. 2022 Nov 1;16(10):1628-1636. doi: 10.1093/ecco-jcc/jjac063. PMID: 35511486; PMCID: PMC9624293.
2. Shen X, Tay BWR, Tan BY, Ngiam NJ, Mok JSR, Mok SF, Yap ES, Khoo SM. Effectiveness of near-peer simulation for managing the acutely deteriorating patient among residents of an internal medicine junior residency programme. Singapore Med J. 2020 Jan;61(1):34-38. doi: 10.11622/smedj.2019056. Epub 2019 Jun 14. PMID: 31197379; PMCID: PMC7900809.
3. Tan CQL, Loh GYW, Benjamin TWR, Koh CJ, Mok JSR, Hartono JL, Chua KTC, Tan HH, Siah KTH. Dental trauma in endoscopy: A systematic review and experience of a tertiary endoscopy centre. World J Gastrointest Endosc 2023; 15(8): 518-527 [DOI: 10.4253/wjge.v15.i8.518]

Professional Memberships

  • Royal College of Physicians, United Kingdom

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National University Health System
  • National University Hospital
  • Ng Teng Fong General Hospital
  • Alexandra Hospital
  • Jurong Community Hospital
  • National University Polyclinics
  • Jurong Medical Centre
  • National University Cancer Institute, Singapore
  • National University Heart Centre, Singapore
  • National University Centre for Oral Health, Singapore
  • NUHS Diagnostics
  • NUHS Pharmacy
  • Yong Loo Lin School of Medicine
  • Faculty of Dentistry
  • Saw Swee Hock School of Public Health
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