Tel (65) 6496 6927
Fax (65) 6496 5256
Email Matthias_HS_TOH@ncid.sg

• NUS Saw Swee Hock School of Public Health (Adjunct)
• Senior Consultant, Department of Infectious Disease, Tan Tock Seng Hospital & National Centre for Infectious Diseases
• Head, NCID Epidemiology and Data Unit

• Public Health – Epidemiology and Health Promotion
• Epidemiology – HIV, Tuberculosis

• General Preventive Medicine
• Epidemiology, Non-Communicable and Communicable Diseases

• MBBS (1997)
• MMed (Public Health), Singapore (2004)
• FAMS (2008)
• Dip (Family Med), NUS (2009)
• Dip (OM), Singapore (2011)

• Best Poster (Quality and HSR Category) at the NHG Annual Scientific Congress 2007
• Best Poster (Primary Care Category) at the NHG Annual Scientific Congress 2009
• Poster (3rd prize) at the 8th Public Health and Occupational Medicine Conference 2013
• Poster Award for Most Innovative Research Outcome at the 31^st Meeting of the International Society for Quality in Health Care (ISQUA), Rio de Janreiro, Brazil, 2014
• Best Free Paper [Open category] – 10th Public Health and Occupational Medicine Conference, Singapore 2015
• SHBC Best Poster – Gold Award (Health Services Research Category) at the Singapore Health and Biomedical Congress 2016
• SHBC Best Poster – Gold Award (Health Services Research Category) at the Singapore Health and Biomedical Congress 2017
• Best Poster (Public Health) at the 51st Singapore-Malaysia Congress of Medicine / 12th Singapore Public Health and Occupational Medicine Conference 2017
• Annals, Academy of Medicine, Singapore – Best Publication Silver Award 2018
• Best Poster – 1st prize award at the 14th Public Health and Occupational Medicine Conference, Singapore 2019
• Singapore Medical Journal Reviewer Recognition Award 2022
• National Award (COVID-19) 2023 – The Public Administration Medal (Bronze) (COVID-19)
• National Day Awards 2023 – The Long Service Medal [Pingat Bakti Setia]

• Assistant Director, Public Health / Disease Management / Health Services and Outcomes Research, NHG (2004-07)
• Assistant Director / Associate Consultant (Public Health), Clinical Services, NHG Polyclinics (2007 – Jun 2010)
• Associate Consultant (Public Health), Health Services and Outcomes Research (July 2010 – Jun 2011)
• Consultant (Public Health), Information Management, Corporate Development, NHG (July 2011- Mar 2020)
• Consultant, National Public Health & Epidemiology Unit (NPHEU), National Centre for Infectious Diseases (Sep 2019 – Jun 2020)
• Director & Senior Consultant, National Public Health & Epidemiology Unit (NPHEU), National Centre for Infectious Diseases (July 2020 – Sep 2024)
• Senior Consultant, Department of Infectious Diseases, Tan Tock Seng Hospital and National Centre for Infectious Diseases (Oct 2024 – present)
• Head, Epidemiology and Data Unit, National Centre for Infectious Diseases (Apr – present)

• Head, Epidemiology and Data Unit, National Centre for Infectious Diseases (Apr – present)
• Head, Information Management, Clinical Services, Regional Health, NHG Clinician Champion, Chronic Disease Management System, NHG (July 2011- Mar 2020)
• Associate Program Director / Core Clinical Faculty Member / Chairman and Member (Clinical Competency Committee), Preventive Medicine Residency Program, National University Health System
• JCST Examination Committee for Preventive Medicine (EXIT Examination) in Public Health and Occupational Medicine (Member from 2021 Oct, Chief Examiner from 2024 July)

• Faculty Member, Primary Care Academy (PCA), NHG
• Co-Chairman, Organising Committee, 8th Public Health and Occupational Medicine Conference 2013, Singapore
• Treasurer (Organising Committee), 9th Public Health and Occupational Medicine Conference 2014, Singapore
• Chairman (Scientific Committee), 13th Singapore Public Health and Occupational Medicine Conference Organising Committee 2018
• Honorary Treasurer, Singapore Public Health and Occupational Physicians Council 2014-2016
• Member, Singapore Public Health and Occupational Physicians Council 2018-2020
• President, College of Public Health and Occupational Physicians, Academy of Medicine Singapore (2020-2022)
• Senior Consultant, Communicable Diseases Agency (2025 May – present)

• Tay MZ, Ang LW, Wei WE, Lee VJM, Leo YS, Toh MPHS. Health-seeking behaviour of COVID-19 cases during the first eight weeks of the outbreak in Singapore: differences between local community and imported cases and having visits to single or multiple healthcare providers. BMC Public Health 2022;22(1):239.
• Riandini T, Pang D, Toh MPHS, Tan CS, Choong AMTL, Lo ZJ, Chandrasekar S, Tai ES, Tan KB, Venkataraman K. National Rates of Lower Extremity Amputation in People With and Without Diabetes in a Multi-Ethnic Asian Population: a Ten Year Study in Singapore. Eur J Vasc Endovasc Surg 2022;63(1):147-55.
• Ang LW, Toh MPHS, Boudville IC, Wong CS, Archuleta S, Lee VJM, Chow ALP, Leo YS. Epidemiological factors associated with the absence of previous HIV testing among HIV-positive persons in Singapore, 2012 to 2017. BMJ Open 2021; 11:e050133.
• Riandini T, Pang D, Toh MPHS, Tan CS, Liu DYK, Choong AMTL, Chandrasekar S, Tai ES, Tan KB, Venkataraman K. Diabetes-related lower extremity complications in a multi-ethnic Asian population: a 10 year observational study in Singapore. Diabetologia 2021;64(7):1538-49.
• Ang LW, Low C, Wong CS, Boudville IC, Toh MPHS, Archuleta S, Lee VJM, Leo YS, Chow ALP, Lin RTP. Epidemiological factors associated with recent HIV infection among newly-diagnosed cases in Singapore, 2013–2017. BMC Public Health 2021;21:430.
• Wong LY, Tan AL, Leo YS, Lee VJM, Toh MPHS. Healthcare workers in Singapore infected with COVID-19: 23 January-17 April 2020. Influenza Other Respi Viruses. 2021;15:218-26.
• Tan THY, Toh MPHS, Vasoo S, Lye DCB, Ang BSP, Leo YS, Lee VJM, Puah SH, Kurup A. Coronavirus Disease 2019 (COVID-19): The Singapore Experience. A Review of the First Eight Months. Ann Acad Med Singap 2020;49:764-8.
• Tan WYT, Wong LY, Leo YS, Toh MPHS. Does incubation period of COVID-19 vary with age? A study of epidemiologically linked cases in Singapore. Epidemiology and Infection 148, e197, 1–6.
• Yong SEF, Anderson DE, Wei WE, Pang J, Chia WN, Tan CW, Teoh YL, Rajendram P, Toh MPHS, Poh C, Koh VTJ, Lum J, Suhaimi NM, Chia PY, Chen MI, Vasoo S, Ong B, Leo YS, Wang L, Lee VJM. Connecting clusters of COVID-19 through epidemiological and serological investigations: an outbreak investigation. Lancet Infec Dis. 2020;20(7):809-15.
• Wei WE, Li Z, Chiew CJ, Yong SE, Toh MP, Lee VJ. Presymptomatic Transmission of SARS-CoV-2 — Singapore, January 23–March 16, 2020. MMWR Morb Mortal Wkly Rep. 2020;69(14):411–5. Published 2020 Apr 10.
• Yeo SH, Toh MPHS, Lee SH, Seet RC, Wong LY, Yau WP. Temporal Trends and Patient Characteristics Associated With Drug Utilisation After First-Ever Stroke: Insight From Chronic Disease Registry Data in Singapore. Ann Acad Med Singapore 2020;49(3):137-54.
• Yeo SH, Toh MPHS, Lee SH, Seet RCS, Wong LY, Yau W-P. Impact of medication nonadherence on stroke recurrence and mortality in patients after first-ever ischemic stroke: Insights from registry data in Singapore. Pharmacoepidemiol Drug Saf. 2020;29(5);538–49.
• Tan S, Wong LY, Toh MPHS. Incipient Albuminuria in Persons with Newly Diagnosed Type 2 Diabetes Mellitus: A 5-Year Retrospective Cohort Study. Ann Acad Med Singapore 2018;47:502-8.
• Wong LY, Liew AST, Weng WT, Lim CK, Anantharaman V, Toh MPHS. Projecting the burden of chronic kidney disease in a developed country and its implications on public health. International Journal of Nephrology 2018, vol 2018, Article ID 5196285.
• Chia DB, Wong LY, Liu DYK, Toh MPHS. Predictive Factors of Developing Type 2 Diabetes Mellitus, Acute Myocardial Infarction and Stroke in a Cohort with Impaired Fasting Glucose in Singapore. Diabetes Research and Clinical Practice 132;2017:59-67.
• Wong LY, Toh MPHS, Tham LW. Projection of Pre-diabetes and Diabetes population size in Singapore using a dynamic Markov model. J Diabetes; 2017 Jan;9(1):65-75. doi: 10.1111/1753-0407.12384.
• Ng CS, Toh MPHS, Ng J, Ko Y. Direct Medical cost of Stroke in Singapore. Int J Stroke 2015; 10:75-82. doi: 10.1111/ijs.12576
• Ng CS, Toh MPHS, Ko Y, Lee JYC. Direct Medical cost of Type 2 diabetes in Singapore. PLoS ONE 2015;10(3): e0122795. doi:10.1371/journal.pone.0122795
• Ng CS, Lee JYC, Toh MPHS, Ko Y. Cost-of-illness studies of diabetes mellitus: A systematic review. Diabetes Res Clin Pract. 2014;105(2):151-63. DOI: 10.1016/j.diabres.2014.03.020.
• Toh MPHS, Kannan P, Chen Y, Chng FLC, Tang WE. Healthcare workers and H1N1 vaccination: Does having a chronic disease make a difference? Vaccine 2012; 30(6):1064-70. doi: 10.1016/j.vaccine.2011.12.037.
• Toh MPHS, Wu CX, Leong HSS. Association of Younger Age With Poor Glycemic and Cholesterol Control in Asians With Type 2 Diabetes Mellitus in Singapore. J Endocrinol Metab 2011; 1(1):27-37.
• Toh MPHS, Leong HSS, Lim BK. Development of a Diabetes Registry to Improve Quality of Care in the National Healthcare Group in Singapore. Ann Acad Med Singapore 2009;38(6):546-51.