Dr. Ng Esther, Obstetrics and Gynecology You are here Home > Gynecologist > Dr. Ng Esther, Obstetrics and Gynecology Tweet Our address Address: Suite 200 - 10271 Yonge St., Richmond Hill, ON L4C 3B5 GPS: 43.8778415, -79.43858799999998 Telephone: 905.770.0087