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Clin Asst Prof David Teo Choon Liang

Dr David Teo Choon Liang from Changi General Hospital

Clin Asst Prof David Teo Choon Liang

MBBS (NUS), MRCPsych (United Kingdom), FAMS


Specialty: Psychological Medicine

Conditions Treated by this Doctor:
Adolescent Psychiatry, General Psychiatry, Psychodynamic Psychotherapy.

Clinical Appointments

  • Consultant Psychological Medicine Changi General HospitalChangi General Hospital


Dr David Teo is a consultant with the Department of Psychological Medicine at Changi General Hospital (CGH). He has an interest in mood and anxiety disorders in adolescents, as well as psychodynamic psychotherapy. He also has an interest in the treatment of mental disorders in patients with concomitant medical illnesses.

Dr Teo received his MBBS from the Yong Loo Lin School of Medicine, National University of Singapore, in 2008. He obtained his postgraduate psychiatry qualifications and became a member of the Royal College of Psychiatrists (United Kingdom) in 2013. He completed his specialist training in psychiatry in 2016 before becoming a fellow of the College of Psychiatrists, Academy of Medicine Singapore in 2017.


  • FAMS MRC Psych (RCPsych, United Kingdom)
  • MBBS (NUS, Singapore)

Professional Appointments and Committee Memberships

  • Core Clinical Faculty Member - NHG Psychiatry Residency Program
  • Clinical Assistant Professor - Duke-NUS
  • Clinical Lecturer - Yong Loo Ling School of Medicine, National University Singapore
  • Physician Faculty - SingHealth Family Medicine Residency Program
  • FAMS (Psychiatry) (Academy of Medicine, Singapore)
  • Deputy Director - Assessment and Shared Care Team (ASCAT), Health Wellness Program


  • SingHealth Health Manpower Development Plan (HMDP) Fellowship Award - Psychosomatic Medicine Across Hospital and Community Settings - A New Paradigm of Seamless, Integrated Care
  • Changi General Hospital Research Grant 2017 - A Qualitative Study on the Relationship Between Social Media Use and Depressive Symptoms and Deliberate Self-Harm in Depressed Adolescents
  • Changi General Hospital Quality Improvement Forum 2015 – Silver Award

Research Interests


Teo DC, Abraham AM, Peh AL. Folie à deux and Fregoli syndrome with greater severity in the ‘secondary’– A case report. Asian Journal of Psychiatry. 2017 Feb 28;25:254-5.

• Ng ES, Tan CH, Teo DC, Seah CY, Phua KH. Knowledge and perceptions regarding colorectal cancer screening among Chinese — a community-based survey in Singapore. Preventive medicine. 2007 Nov 30;45(5):332-5.

Research Trials

• Principle Investigator: A Qualitative Study on the Relationship Between Social Media Use and Depressive Symptoms and Deliberate Self-Harm in Depressed Adolescents

• Principle Investigator: A Survey on the Attitudes and Perceptions of Psychiatrists and Psychiatry Residents Working in Public Hospitals in Singapore on Spirituality and Psychiatry

• Co-Investigator: Time to Discontinuation for Psychotropic Medication in Outpatient Psychiatric Patients