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Dr Tan Lay Ong

Dr Tan Lay Ong

M.B. B.Ch. B.A.O. (NUI Galway), DCH, GDFPDerm, MMed (Paed), MRCPCH

Associate Consultant

KK Women's and Children's Hospital

Specialty: General Paediatrics

Clinical Appointments

  • Associate Consultant General Paediatrics Service KK Women's and Children's HospitalKK Women's and Children's Hospital


Advocating for children’s health is Dr Tan Lay Ong life’s work. His interest is in general paediatrics and children’s emergency. He aim to improve the wellbeing of children through education of future doctors and research.


  • Graduate Diploma in Family Practice Dermatology (Spore) 2021
  • MRPCH (UK) 2016
  • MMed Paediatrics (Spore) 2016
  • Diploma in Child Health (UK) 2012
  • M.B. B.Ch. B.A.O. (NUI Galway, Ireland) 2008

Professional Appointments and Committee Memberships

  • Associate Consultant, Department of Paediatrics, KK Women’s and Children’s Hospital, 2021 - present


  • Second place, Siemens prize award in radiology, NUI Galway, Ireland, 2007

Research Interests


  • A single centre retrospective study of children with dengue in Singapore. Tan LO, Wong MHL, Lim SY, Thoon KC, Chong CY, Yung CF and Tan NWH. Journal Of Pediatrics and Neonatal Medicine. 2021 Apr; 3(2).
  • Lack of association between hypothyroxinemia of prematurity and transient thyroid abnormalities with adverse long term neurodevelopmental outcome in very low birth weight infants. Tan LO, Tan MG, Poon WB. PloS one. 2019 Sep 12;14(9):e0222018.
  • Primary osteoporosis in children. Tan LO, Lim SY, Vasanwala RF. Case Reports. 2017 Oct 24;2017:bcr-2017.
  • Rhabdomyolysis caused by rhinovirus. Tan LO, Thoon KC, Chong CY, Tan NW. Global pediatric health. 2016 Jun 6;3:2333794X16643726.
  • A ‘One in a million’ case of pulsating thoracoabdominal mass. Tan LO, Lim SY, Sharif F. Case Reports. 2012 Nov 12;2012:bcr2012007029.

Research Trials