National Neuroscience Institute will NEVER ask you to transfer money over a call. If in doubt, call the 24/7 ScamShield helpline at 1799, or visit the ScamShield website at www.scamshield.gov.sg.
Dr Sitoh Yih Yian is the Chief Risk Officer and a Senior Consultant Neuroradiologist at the National Neuroscience Institute (NNI).
He is also Clinical Associate Professor at Duke NUS Graduate Medical School, Singapore.
At NNI, he served 3 terms in senior management positions as Deputy Medical Director (Medical Affairs, Quality Management) till October 2021, and as Head, Department of Neuroradiology till December 2022. He was Academic Deputy Chair, Radiological Sciences Academic Clinical Program, at the SingHealth Duke-NUS Academic Medical Centre till 31 March 2023.
Dr Sitoh completed his medical and radiology training in Singapore and obtained the post-graduate qualification of Fellow of the Royal College of Radiologists, UK in 1994. He completed a Fellowship in Diagnostic Neuroradiology at Stanford University Medical Centre in 1997, under the Health Manpower Development Program Award. He has authored or co-authored more than 100 peer reviewed publications, served as reviewer on various journals and grant funding agencies, and has served on several Editorial Boards
Keep Healthy With
© 2026 National Neuroscience Institute of Singapore Pte Ltd. All Rights Reserved.