| Dr. Xiaosong Susan Zhang is a Massachusetts state licensed medical doctor, specializing in Hematology/Oncology. Graduated Magna Cum Laude from Peking Union Medical College, completed residency training in Mass General Hospital, and completed the Hematology/Oncology specialist training at UCSF Health. Dr. Zhang currently is working at Pfizer, located in 55 Fruit St Boston MA 02114 | |||