Jeffery W. Williams, MD, is medical director of the stroke program at Good Shepherd Rehabilitation. Dr. Williams treats inpatients at Good Shepherd Rehabilitation Hospital in Center Valley, Pa., and outpatients in Allentown, Pa. His areas of focus are electromyography (EMG), physiatry, musculoskeletal medicine and stroke. He is certified by the American Board of Physical Medicine and Rehabilitation. Dr. Williams earned his medical degree from Ross University School of Medicine and completed his residency at Long Island Jewish Medical Center.