Dr. Koh Hang Yong is a Doctor in Yishun, Singapore and has an experience of 38 years in this field. Dr. Koh Hang Yong practices at Citizen Family Clinic And Surgery in Yishun, Singapore. He completed MBBS from U of Western Australia in 1981. He is a member of Singapore Medical Council. Some of the services provided by the doctor are: Skin Check,Preventive Medicine,Health screening,Chronic Illnesses and Vaccination/ Immunization etc.