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Dr Ong Chiew Sern

Dr Ong Chiew Sern

​MBBS, MCRP (UK), MMED (NUS), MRCP Neurology (UK)

Associate Consultant

National Neuroscience Institute

Specialty: Neurology

Sub-specialties: General Neurology

Conditions Treated by this Doctor:
General Neurology , Neurogenetics .

Clinical Appointments

  • Associate Consultant SingHealth Duke-NUS Genomic Medicine Centre
  • Associate Consultant Department of Neurology National Neuroscience InstituteNational Neuroscience Institute


​Dr Ong Chiew Sern is Associate Consultant, Department of Neurology at the National Neuroscience Institute (SGH Campus). He joined the SingHealth Internal Medicine Residency and subsequently completed his Senior Residency in Neurology in 2021.


  • MRCP (UK), Neurology, 2019
  • Master of Medicine, Internal Medicine, 2016
  • MRCP (UK), 2016
  • MBBS (University of Malaya), 2013

Professional Appointments and Committee Memberships

  • Associate Consultant, Department of Neurology, National Neuroscience Institute (SGH Campus)
  • Clinical Instructor, Duke-NUS
  • Member, American Academy of Neurology
  • Collegiate Member, Royal College of Physicians of Edinburgh
  • Collegiate Member, Royal College of Physicians and Surgeons of Glasgow


  • Outstanding Resident Award in SingHealth RiSE Award 2021
  • Gold Award in SGH Team Excellence IQC Assessment (Team Leader)
  • Outstanding Resident Award in SingHealth RiSE Award 2019

Research Interests


  • Ong CS, Xiong J, Tan YJ “Cheiro-oral syndrome secondary to thalamic infarction: a clinical syndrome a physician should know” BMJ Case Reports CP 2020;13:e236017
  • Ong CS, Pang YH “RESLES in spectrum of dengue encephalopathy: A case report” Open J Clin Med Case Rep. 2019; 1571

Research Trials