A/Prof Ngiam is a Senior Consultant at the Division of Endocrine & Thyroid Surgery at the National University Hospital, specialising in Endocrine and Thyroid surgical disorders. Following the completion of his Advanced Specialist Training in General Surgery, he was awarded a fellowship from the Royal College of Surgeons of Edinburgh and was accredited as a surgical specialist by the Specialist Accreditation Board, Singapore in 2012.
He received the Higher Manpower Development Program Award in 2012 to complete a Fellowship in Metabolic and Endocrine Surgery in Taiwan. He received further training in robotic thyroid surgery at the Seoul National University Hospital, South Korea.
A/Prof Ngiam's special interests are in endocrine and thyroid surgery, robotic thyroid surgery, advanced endoscopy and laparoscopic surgery. He was awarded the ExxonMobil-NUS Research Fellowship for Clinicians in 2007 and his research interests include robotic and endoscopic thyroid surgery, thyroid cancer, parathyroid surgery, digital health and artificial intelligence.