Dr Ng graduated from Hong Kong University in 1969 with a Gold Medal in internal medicine. He has held various academic and clinical positions at Hong Kong University and University College Hospital Medical School, London, and was a Senior Research Fellow at the Memorial Sloan Kettering Cancer Center, New York.
He started private practice in the specialty of haematology in Singapore at Mt Elizabeth Hospital in 1984, and was Chairman of the Mt Elizabeth Hospital Medical Advisory Board from 1993 to 1995. Dr Ng has previously been a member of the Singapore National Medical Research Council, and is currently a member of Singhealth Centralised Institutional Review Board, which is responsible for the review of ethical aspects of research studies. He is a Principal Mediator of the Singapore Mediation Centre, a Volunteer Court Mediator of the Singapore State Court, and a member of the Education Panel of the Medical Protection Society.
Dr Ng has published in the field of haematology, including in journals such as Cancer and Blood. Dr Ng accepts referrals for all blood diseases and disorders, with a special clinical interest in the treatment of anaemia, clotting, bleeding disorders, deep vein thrombosis and thrombocytopenia.