Dr. Liaw is a licensed Internal Medicine in PA. Medical degree obtained from Jefferson Medical College. Completed residency training at Lankenau Medical Center. Currently practices at Holland Medical Associates (Holland Medical Associates), located at 23 Bustleton Pike, Feasterville-Trevose, PA 19053. Dr. Liaw specializes in internal medicine and primary care.. In addition to English, Dr. Liaw speaks Mandarin.