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The Practice

Founded in 1971 by Dr Paul William Ngui, our clinic has been serving the needs of psychiatric patients through the years with dedication and expert care.  

Dr Paul Ngui
Dr Francis Ngui

Dr Paul W Ngui

MBBS (Singapore)

DPM (England)

FRCPsych (England)

FRANZCP (Australia)

FAMS (Psychiatry)

Dr Francis Ngui

Bachelor of Medicine, Bachelor of Surgery, Singapore

Master of Medicine (Psychiatry), Singapore

Fellow of the College of Psychiatrists, Academy of Medicine, Singapore

Dr Francis Ngui’s experience in psychiatry covers a broad range of mental health conditions that occur in youths, adults and the elderly.  He has worked extensively in various public psychiatric services at Woodbridge Hospital, the Institute of Health Child Psychiatric Clinic, Tan Tock Seng Hospital, the Institute of Mental Health, Changi General Hospital, Singapore General Hospital and Alexandra Hospital.  He completed his Ministry of Health fellowship in General Hospital Psychiatry and Geriatric Psychiatry as a Senior Registrar at St Vincent’s Hospital and the Inner & Eastern Healthcare Network in Melbourne, Australia.  In Forensic Psychiatry, he has served as a Court Expert Witness in Singapore and Australia.

His previous appointments include being Medical Director of Adam Road Hospital, Chairman of the Sembawang Family Service Centre, President of the Singapore Psychiatric Association, Vice-President of the Singapore Association for Mental Health, Assistant Editor for the International Psychogeriatric Association Bulletin and member of the International Advisory Board, World Psychiatric Association Regional and Intersection Congress in 2005.  He has been involved with teaching at the National University of Singapore’s Graduate School of Medical Studies as a lecturer and organizing committee member of the Graduate Diploma in Geriatric Medicine.  At the Ministry of Health, he was a member of the workgroup committee for the Clinical Practice Guidelines for Schizophrenia and for Dementia.

Currently the Medical Director and Senior Consultant Psychiatrist at Paul W Ngui Psychiatric Clinic since 2005, he continues to be a Visiting Consultant Psychogeriatrician to several nursing homes in Singapore.


Psychiatry & Psychogeriatrics


Treatment of Neuropsychiatric Disorders, Anxiety, Depression and Psychosis in General and Geriatric Psychiatry.

Our Visiting Specialists and Associates

Dr Liow Pei Hsiang

MBBS; MMed (Psychiatry)

FAMS (Psychiatry)

Senior Consultant Psychiatrist

Dr Donald Yeo

DPsych (Neuropsychology)

Clinical Neuropsychologist

Dr Donald Yeo, DPsych
Ms Ho Ai Tee, MPsych

Ms Ho Ai Tee


Clinical Psychologist

Ms Linda Chua


Clinical Psychologist

Linda Chua, MPsych
Dr Eliza Lian, PhD

Dr Eliza Lian

PhD (Counselling Psychology) 

Counselling Psychologist

Ms Chan Lin-Mei


Clinical Psychologist

Ms Chan Lin-Mei, MPsych
Ms KT Soon, MCounselling

Ms KT Soon



Mr Oon Poh Kwang

MA (Clinical Psychology)

Consultant Psychologist

Mr David Oon, MA(Psych)
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