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Dr Ong Chiew Sern

Dr Ong Chiew Sern

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


National Neuroscience Institute

Specialty: Neurology

Clinical Interest: General Neurology

Conditions Treated by this Doctor:
General Neurology, Neurogenetics.

Clinical Appointments

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


​Dr Ong Chiew Sern is a Consultant, Department of Neurology at the National Neuroscience Institute (NNI@SGH). 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

  • Consultant, Department of Neurology, National Neuroscience Institute (NNI@SGH)
  • 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