Patient Portal; Contact; Search for: Search. Zhang Medical Associates. Welcome to Zhang Medical Associates! Hours: 9:00am-5:00pm, M-F. Phone Number: 508-321-1535 Fax Number: 774-215-5093. Address: 15 Payson Road - Suite 2 Foxboro, MA 02035. Services: Adult Primary Care About Us: Zhang Medical Associates was established in 2021 by Dr. Hua ....