Dr. Chang is a licensed Thoracic Surgery in PA. Graduated in 1995. Medical degree obtained from Drexel Medical College of Pennsylvania. Completed residency training at Albany Medical College . Currently practices at Lehigh Valley Health (Lehigh Valley Health), located at 1200 S Cedar Crest Blvd, Allentown, PA 18105. Dr. Chang specializes in Cancer, Lung Cancer, Lung Lesion, Lung Nodule, Metastatic Respiratory System Cancer, Myasthenia Gravis.. In addition to English, Dr. Chang speaks Mandarin and accepts new patients.