Dr Chan Siew How surgeon. endoscopist. confidante Finding a cure can be challenging; I’m here to lighten the load off your shoulders. I’m an honest and positive professional whose first priority is always the interests of my patients; providing capability, adaptability, and reliability. Since 2000, I’ve been treating patients with various medical and surgical conditions in and around the Klang Valley - make an appointment for an informed discussion about your medical issues today.