He has 25 years of experience in the treatment of spine and neuromuscular disorders. Dr. Shaffer is a certified physician with the Bureau of Workers Compensation and treats patients with on-the-job injuries. Dr. Shaffer treats automobile accident injuries and he has served numerous times as an expert witness for depositions and trial-by-jury. Dr. Shaffer has a good working relationship with many family doctors, orthopedic specialists and neurologists throughout the Miami Valley.