Dr. Chen is a licensed Internal Medicine in CA. Graduated in 1993. Medical degree obtained from UC Irvine School of Medicine. Completed residency training at UC Irvine. Currently practices at Optum Care (Optum Care), located at 4318 N Maine Ave, Baldwin Park, CA 91706. Dr. Chen specializes in internal medicine and primary care.. In addition to English, Dr. Chen speaks Taiwanese and Mandarin.