Parkway Neuroscience & Spine Institute. Neurology, Physician Assistant (PA) • 15 Providers. 17 Western Maryland Pkwy Ste 100, Hagerstown MD, 21740. Make an Appointment. Show Phone Number. Telehealth services available. Parkway Neuroscience & Spine Institute is a medical group practice located in Hagerstown, MD that specializes in Neurology ....