Dr. Mark Mullen graduated from Jefferson Medical College of Thomas Jefferson University. Dr. Mullen has two offices in Pennsylvania.
Specializing in the field of Internal Medicine, Dr. Mullen is prepared to provide care to adult patients suffering from a wide range of illnesses and diseases, ranging from the very common to the very rare. Dr. Mullen is also trained in general medicine, and is capable of treating patients for diseases that may have overlapping symptoms or complications. Dr. Mullen is also trained to practice Geriatrics.