Dr. Fan is a licensed Endocrinology in PA. Graduated in 1993. Medical degree obtained from University of Virginia School of Medicine. Completed residency training at PennState Hershey and fellowship training at Geisinger Health System . Currently practices at PennState Health | (PennState Health |), located at 1150 Cocoa Ave, Hershey, PA 17033. Dr. Fan specializes in Adrenal insufficiency, Hyper/Hypocalcemia, Hyperaldosteronism, Hypogonadism/Low testosterone, Insulin Pump management, Adrenal tumors, Hyper/Hypothyroidism/Thyroiditis, Hypoglycemia, Hypothalamic Pitu. In addition to English, Dr. Fan speaks Mandarin.