Dr Sandra Tan graduated from the Yong Loo Lin School of Medicine at the National University of Singapore (NUS) and completed her residency training in Advanced Internal Medicine at National University Hospital (NUH). During her residency training, she served as Chief Resident and Chief Senior Resident. She is a member of the Royal College of Physicians and is certified by the Specialist Accreditation Board of Singapore. She is a Fellow of the Academy of Medicine, Singapore.

Dr Tan is a strong believer in holistic patient care. She has keen interests in undergraduate and postgraduate education as well as in quality improvement in healthcare.