Dr. Walker, a board-certified pain management and anesthesiology doctor, attended Vanderbilt University for his undergraduate degree. He then completed his medical degree at University of Tennessee College of Medicine in Memphis, Tennessee, before completing an internal medicine internship and anesthesiology residency at Northwestern University McGaw Medical Center in Chicago, Illinois. Dr. Walker returned to Nashville to complete a pain management fellowship at Vanderbilt University Medical Center. He is a member of the American Society of Anesthesiologists, American Society of Regional Anesthesia and Pain Medicine and North American Neuromodulation Society.