Dennis E. O'Connor is a chiropractic physician based in Marblehead. Dr. O'Connor treats patients in Marblehead and the surrounding communities. He offers treatments for a variety of ailments including headaches, neck pain, whiplash, shoulder and arm pain, sports injuries, aging-related qualms, back pain and foot problems. For further inquiries or to schedule an appointment, email info@drdennisoconnor.com or phone his office.