Dr. Lau received training in internal medicine and gastroenterology at the University of Toronto and the University of Western Ontario. She started her gastroenterology practice at North York General Hospital, then moved to Oak Valley Health in 2009. She is specialized in diseases involving the digestive system and the liver, with special interests in inflammatory bowel disease and hepatitis B. She performs procedures including gastroscopies and colonoscopies at Oak Valley Health’s Markham Stouffville Hospital.