Dr. Xu is a licensed Internal Medicine in CA. Graduated in 1983. Medical degree obtained from Jiangxi, Gannan Medical University in China. Completed residency training at Texas Tech University. Currently practices at Stanford Health Care (Stanford Health Care), located at 20642 John Dr, Castro Valley, CA 94546. Dr. Xu specializes in internal medicine and primary care.COPD, Cardiovascular diseases, Cholesterol management, Congestive heart failure, Diabetes, Emphysema, Endocrinology, Geriatric medicine, Hypertension (HTN)...... In addition to English, Dr. Xu speaks Mandarin.