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Adj Prof Malcolm Mahadevan

  • Senior Consultant, Emergency Medicine Department, National University Hospital
  • Adjunct Professor, Yong Loo Lin School of Medicine, National University of Singapore
  • Group Chief, Emergency Medicine, National University Health System
  • ​Designated Institutional Official, National University Health System (NUHS) Residency Programme
  • Medical Director of the Community Care Facilities(CCF) appointted by MOH
  • Member of the Specialists Accreditation Board by MOH
  • Member of the Training and Assessment Standards Committee (TASC) by MOH 
MBBS (SINGAPORE), FRCP (Edin), FRCSEd (A&E), MHPE (Maastricht), FAMS
Emergency Medicine
Special Interests:
​Respiratory medicine, infectious diseases and observational medicine


Adjunct Professor Malcolm Mahadevan graduated from the National University of Singapore in 1991 and obtained his Fellowship Royal College of Surgeons Edinburgh in 1995 and a fellow at the Royal College of Physicians Edinburgh. He is Group Chief, Emergency Medicine, Designated Institutional Official (DIO) at National University Health System and a Senior Consultant in the Emergency Medicine Department, National University Hospital, Singapore. He has been with NUH since 1996 and was the Head, Emergency Medicine from 2010 till March 2020.  Under his exemplary leadership, the department grew from strength to strength and scaled new heights in patient care, education and research.

He has authored the chapter Observation Medicine in Rosen’s Emergency Medicine Textbook and has published substantial papers in his areas of interest which include critical care of the septic patient and early goal directed therapy, respiratory disease in the EMD including asthma, COPD and pneumonia.  Other interest areas include clinical indices in the EMD and improving clinical quality as well as interactive bedside teaching. 

He was awarded 2 MOH Human Manpower Development scholarships the first in 1995 to UK (Edinburgh Royal Infirmary and St James University Hospital) and in 1999 to the US as the first International Fellow in Observation Medicine (University of Hartford Medical School & Yale University). In 2015 he was awarded the Singapore Healthcare Humanity Awards as well as the Team National Medical Excellence Awards twice, once in year 2010 and also in year 2014. In year 2020 he was awarded the National Day Award for Public Administration Medal Bronze and serve as an abiding inspiration to the Community to constantly strive for excellence. He has successfully completed the Master of Health Professions Education (MHPE).

He has held multiple appointments at NUS Yong Loo Lin, School of Medicine (NUSMed) covering admissions, curriculum, electives and faculty assessment. He has been a Core Faculty and as a member of the Clinical Competency Committee (CCC). At the national level, he is member of the Residency Advisory Committee (RAC for Emergency Medicine) appointed by MOH and is a Faculty of Medical Expert (FME) by AMS (Academy Medicine of Singapore). He is the lead person in establishing Observation Medicine in Singapore since 2000 with a citation by PS Health. He is responsible for the setting up of the first Observation Unit (Extended Diagnostic and Treatment Unit or EDTU) in Singapore in 2004.  A/Prof Mahadevan also played a key role in NUHS’s fight against COVID-19.  He started off volunteering at Sungei Tengah Lodge caring for our migrant friends and set up three community care facilities (CCF), for which he was the overall medical lead.


  • 1995-1995 – Human Manpower Development Programmed(HMDP) Training in United Kingdom

  • 1998 – Awarded National Medical Research Grant for The Sum of S$5k for The Clinical Trial of Opiates in Appendicitis.

  • 1999-2000 – Human Manpower Development Program (HMDP) Training in United State for Observation Medicine.

  • 1999-2000 – First International Fellow in Observational Medicine, University of Connecticut Medical School

  • 2003 – Awarded National Healthcare Group S$92k Grant for Study On D-Dimer and Hs-CRP as Early Risk Stratification Tools in The Evaluation of ED Patients with Chest Pain

  • 2005 – QIF Grant collaborator NUH $174,500 HOME project

  • 2006 – First Prize Winner Singapore Quality Poster Competition COPD Outcome 2000-2005.

  • 2008 – Excellent Service Award (EXSA) Gold Award Winner

  • 2008 – Citation, Permanent Secretary, NHG HMDP Award Ceremony.

  • 2008 – ASEAN Trial Regulate Sepsis (ATLAS) multi centre principal investigator for implementation of Early Goal Directed Therapy (EGDT)

  • 2009 – Site PI for Asia neTwork to reguLAte Sepsis care (ATLAS) Investigators for the implementation of early goal-directed therapy (EGDT)

  • 2009 – Asian Hospital Management Most Outstanding Award for Cardiac Rapid Experiment Project.

  • 2009-2010 – Gold Award Winner Reviewer Annals of Medicine Singapore.

  • 2010 – National Medical Excellence Team Award for NIV use in ED.

  • 2010 – Asian Hospital Management Most Outstanding Award-“Applying Lean Concepts In Ed”

  • 2014 – National Medical Excellence Award -National Clinical Experience Team Award (NUHS).

  • 2014 – NUH Quality Improvement Project Awards (Streamline the workflow for Chest Pain Patients in Emergency Dept and to provide Timelier    Assessment RIE)

  • 2015 – Healthcare Humanity Award

  • 2015 – NUH Quality Improvement Project Merit Awards (To decrease time from point of triage to first nebulization in adult Asthmatic patients presenting .to Emergency Dept from an average of 40 minutes to 10minutes (Sustenance))

  • 2016 – NUH Quality Improvement Project Awards (Decreasing contamination rate of blood culture in EM within 6mths to less than 3%)

  • 2017 – NUH Quality Improvement Project Recognition Awards (Creating an Elderly Friendly Emergency Department through Introducing Geriatric Emergency Medicine(GEM) Nursing Service (Sustenance)

  • 2017 – NUH Outstanding Collaborating Physician Award 2017

  • 2018 – NUH Quality Improvement Project Recognition Awards (Improving The 1st ECG Performed Time for Patients Presenting with Chest Pain from P3 Walk-In Cases) & (Auto Trigger Admission for Adult Patients in EDTU).

  • 2019 – NUH Quality Improvement Project Merit Award (Streamline EMD Triage Process RIE).

  • 2020 – National Day Award for  Public Administration Medal Bronze & serve as an abiding inspiration to the Community to constantly strive for excellence


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