Dr. Chien is a licensed Endodontics in CA. Medical degree obtained from University of the Witwatersrand. Completed residency training at USC University Hospital. Currently practices at Mary Chien DDS MS (Mary Chien DDS MS), located at 16388 Colima Rd, Hacienda Heights, CA 91745. In addition to English, Dr. Chien speaks Taiwanese and Mandarin and accepts new patients.