Dr. Yen is a licensed Infectious Disease in ME. Graduated in 2015. Medical degree obtained from Keck School of Medicine of USC. Completed residency training at LAC+USC Medical Center and fellowship training at Beth Israel Deaconess. Currently practices at MaineHealth (MaineHealth), located at 41 Donald B Dean Dr, South Portland, ME 04106. Dr. Yen specializes in Antimicrobial stewardship, Applied bioethics, Diagnostic stewardship.. In addition to English, Dr. Yen speaks Mandarin.