Dr. Lei is a licensed Internal Medicine in CA. Graduated in 1988. Medical degree obtained from Institute of Medicine I, Yangon Burma. Completed residency training at St Mary's Hospital. Currently practices at John Muir Health (John Muir Health), located at 5568 Gibraltar Dr, Pleasanton, CA 94588. Dr. Lei specializes in internal medicine and primary care.. In addition to English, Dr. Lei speaks Mandarin.