Dr. Yen is a licensed Internal Medicine in CA. Graduated in 2011. Medical degree obtained from Drexel Medical College of Pennsylvania. Completed residency training at Kaiser Permanente. Currently practices at Kaiser Permanente (Kaiser Permanente), located at 2500 Merced St, San Leandro, CA 94577. Dr. Yen specializes in hospital medicine(inpatient services).. In addition to English, Dr. Yen speaks Mandarin and accepts new patients.