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Dr Koh Yeow Hoay

Dr Koh Yeow Hoay

​MBBS, MRCP (United Kingdom)

Head & Senior Consultant

National Neuroscience Institute

Specialty: Neurology, Neuroscience, Neurology

Clinical Interest: Clinical Neurophysiology, General Neurology

Conditions Treated by this Doctor:
General Neurology, Neuromuscular Diseases, Parkinson's Disease and Movement Disorders, Peripheral Neuropathy.

Clinical Appointments

  • Head & Senior Consultant Neurology Changi General HospitalChangi General Hospital
  • Senior Consultant Department of Neurology National Neuroscience InstituteNational Neuroscience Institute
  • Senior Consultant Neurology Singapore General HospitalSingapore General Hospital


Dr Koh Yeow Hoay is currently Head, Department of Neurology at the Changi General Hospital and serves as Senior Consultant Neurologist in Singapore General Hospital.

Dr Koh graduated with a Bachelor of Medicine and Bachelor of Surgery (MBBS) from the University of Malaya in 2004. He obtained a Membership of the Royal College of Physicians from the United Kingdom (MRCP UK) in 2009  and completed his Advanced Specialist Training in Neurology at Singapore General Hospital in 2014. He underwent his fellowship training in Clinical Neurophysiology and Movement Disorder in University of Toronto, Canada.

His sub-specialty interest is Clinical Neurophysiology and Movement Disorders, Transcranial Magnetic Stimulation (TMS) and intraoperative neuromonitoring (IONM). He is an adjunct assistant professor in Duke-NUS Medical School, and clinical lecturer of the 3 medical schools in Singapore (Duke-NUS Medical School, Yong Loo Lin School of Medicine and Lee Kong Chian School of Medicine). He is also Clinical Core Faculty member of the SingHealth Residency programme for Internal Medicine Residency Training, site director for senior residency programme for geriatric medicine, and clinical physician faculty member (CPFM) of SingHealth Neurology Residency Programme.


  • MBBS
  • MRCP (United Kingdom)
  • Advanced Specialist Training in Neurology (Singapore)
  • Fellowship in Clinical Neurophysiology and Movement Disorder (Canada)

Professional Appointments and Committee Memberships

  • Head & Senior Consultant, Department of Neurology, National Neuroscience Institute (NNI@CGH)
  • Senior ​Consultant, Department of Neurology, National Neuroscience Institute (NNI@SGH)
  • Adjunct Assistant Professor, Duke-NUS Medical School, Singapore
  • Clinical Core Faculty Member (CCFM) of Internal Medicine, SingHealth Residency Programme
  • Clinical Physician Faculty Member (CPFM), SingHealth Neurology Residency Programme
  • Internal Medicine training subspecialty coordinator for Neurology
  • Clinical lecturer of Yong Loo Lin School of Medicine
  • Clinical lecturer of Lee Kong Chian School of Medicine (NTU)
  • Site director for Senior Residency programme for Geriatric Medicine


  • Medicine Dean’s Award for Teaching Excellence, Yong Loo Lin School of Medicine Dean’s Award for Teaching Excellence
  • SingHealth Manpower Development Plan Award 2019, Clinical Neurophysiology (Intraoperative Neuromonitoring and advanced neurophysiological skills in movement disorders)
  • Service Quality Award Winner, Singapore General Hospital

Research Interests

  • Cranial nerve tractography using diffusion tensor imaging (DTI)
  • Transcranial Magnetic stimulation
  • Neurophysiology study for Movement Disorder


  • ​Koh, Y.H., Shih, Y., Lim, S.L. et al. Evaluation of trigeminal nerve tractography using two-fold-accelerated simultaneous multi-slice readout-segmented echo planar diffusion tensor imaging. Eur Radiol (2020).
  • Koh YH, Ratnagopal P. Multiple sclerosis with intractable vomiting and atypical area postrema lesion. Mult Scler Relat Disord. 2020;45:102348. Doi:10.1016/j.msard.2020.102348.
  • Koh YH, Ratnagopal P. Autologous Hematopoietic Stem Cell Transplantation for the Treatment of Neuromyelitis Optica in Singapore, Acta Neurol Taiwan 2017;27:18-24.
  • Koh YH. Heat Stroke with Status Epilepticus Secondary to Posterior Reversible Encephalopathy Syndrome (PRES), Case Report in Critical Care Hindawi, Volume 2018;
  • Koh YH. A rare case of Ludwig’s angina after viper bite, BMJ Case Report, doi:10.1136/bcr-2016-218427.

Research Trials

  • Case Control Diffusion Tensor Imaging (DTI) Study of the Facial Nerve in Hemifacial Spasm Patients, NNI Pilot Research Grant
  • Magstim constipation study