Dr. Cai is a Internal Medicine physician in training in MA. Medical degree obtained from National University Of Singapore-School Of Medicine. Completed residency training at Mass General Brigham. Currently practices at Mass General Brigham (Mass General Brigham), located at 165 Cambridge St, Boston, MA 02114. Dr. Cai specializes in internal medicine, primary care.. In addition to English, Dr. Cai speaks Mandarin.