Dr Nicholas Ngiam Jinghao

Designations:

Associate Consultant, Division of Infectious Diseases, Medicine, National University Hospital

Qualifications:

MBBS (S'pore), MMED (Int Med), MRCP (UK)

Specialties/Sub-specialties:

Infectious Diseases

Clinical Disciplines/Programmes:

Medicine

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Biosketch

Dr. Nicholas Ngiam is an Infectious Diseases physician at NUH, with clinical interests including general infectious diseases, antimicrobial stewardship, and infections in immunocompromised hosts. He obtained his MBBS from NUS and holds MRCP (UK) and MMED (Int Med). His research interests are varied, including predictive models for diagnosis and prognostication in severe infections, infections in immunocompromised hosts, as well as the application of artificial intelligence in infectious diseases. His research has been recognised and published in numerous peer-reviewed journals, as well as international conferences on infectious diseases. Dedicated to advancing infectious disease care, Dr. Ngiam integrates clinical expertise, research, and education to improve patient outcomes.

Journals & Publications

Koh MCY*, Ngiam JN*, Chew KL, Smitasin N, Lum LH-W, Allen DM. Clinical presentation and outcomes of bloodstream infection with intrinsically carbapenem-resistant non-fermenting Gram-negative organisms: Stenotrophomonas maltophilia, Elizabethkingia spp. and Chryseobacterium spp. in Singapore, from 2012 to 2024. BMC Infect Dis. 2025;25:273. doi:10.1186/s12879-025-10636-9. *co-first authors.
Koh MCY, Smitasin N, Tambyah PA, Ngiam JN. Continuing the Chat: How Can We Improve the Performance of an Artificial Intelligence Chatbot in Answering Clinical Infectious Diseases Pharmacotherapy Questions? Open Forum Infect Dis. 2025 Feb;12(2):ofaf073. doi:10.1093/ofid/ofaf073
Koh MCY*, Ngiam JN*, Chan NJH, Goh W, Salada BMA, Lum LHW, Smitasin N, Tambyah PA, Archuleta S, Oon JEL. Implementation of ChatGPT to enhance pre-travel consultation in a specialist tertiary centre in Singapore. J Travel Med. 2024 Jul 20:taae099. doi: 10.1093/jtm/taae099. *co-first authors.
Gopal V, Koh MCY, Ngiam JN, Ong HC, Somani J, Tambyah PA, Tey JCS. Does prior respiratory viral infection provide cross-protection against subsequent respiratory viral infections? A systematic review and meta-analysis. Viruses 2024;16:982.
Ngiam JN, Koh MCY, Archuleta S, Fisher D, Chai LYA, Sia CH, Kong WFK, Tambyah PA. Performance of risk scores in predicting infective endocarditis in patients with Staphylococcus aureus bacteraemia in a prospective Asian cohort. J. Clin. Med. 2024, 13(10):2947;
Ngiam JN, Liong TS, Koh MCY, Goh W, Sim MY, Chhabra S, Chew NWS, Annadurai J, Thant SM, Chai P, Yeo TC, Poh KK, Tambyah PA, Sia CH. Trends in electrocardiographic and cardiovascular manifestations of patients hospitalised with COVID 19. Singapore Med J 2024; doi:10.4103/singaporemedj.SMJ-2023-179
Ngiam JN, Ng OT, Toh MPHS, Gao Q, Soong AJ, Teo JHW, Low S, Vasoo S, Li JH, Thoon KC, Oh H, Pada SKMS, Ooi ST, Soh J, Wong HM, Tambyah PA. Predictors of disease severity in SARS-CoV-2 omicron variant XBB sublineages and variants of interest. J Med Virol. 2023 Nov;95(11):e29204. doi: 10.1002/jmv.29204.
Ngiam JN, Koh MCY, Lye P, Liong TS, Ong L, Tambyah PA, Somani J. Role of cerebrospinal fluid adenosine deaminase measurement in the diagnosis of tuberculous meningitis: an updated systematic review and meta-analysis. Singapore Med J 2024;doi:10.4103/singaporemedj.SMJ-2023-155
Ngiam JN, Koh MCY, Lye P, Liong TS, Salada BMA, Tambyah PA, Ling JOE. Artificial intelligence models for pre-travel consultation and advice: yea or nay? J Travel Med. 2023 Oct 3:taad124. doi: 10.1093/jtm/taad124.
Ngiam JN, Chhabra S, Goh W, Sim MY, Chew NW, Sia CH, Cross GB, Tambyah PA. Continued demographic shifts in hospitalised COVID-19 patients from migrant workers to a vulnerable and more elderly local population at risk of severe disease. Int J Infect Dis. 2022 Dec 9;127:77–84.

2025/03/06

Doctor Details