Dr. Diep is a licensed Internal Medicine in CA. Graduated in 1994. Medical degree obtained from Eastern Virginia Medical School. Completed residency training at Kaiser Permanente. Currently practices at Claire T Diep MD (Claire T Diep MD), located at 33509 Western Ave, Union City, CA 94587. Dr. Diep specializes in internal medicine, primary care.. In addition to English, Dr. Diep speaks Mandarin and Cantonese.