William Barrett, MD is a fellowship trained orthopedic surgeon who specializes in primary and revision hip and knee replacement. He performs over 500 hip and knee replacement procedures each year. He is actively involved in clinical research on Anterior Approach Total Hip Replacement (THA), Alternative Bearings for THA, Less Invasive Approaches to joint replacement and use of computerized vs. custom cutting guides for knee replacement. As a nationally recognized joint replacement surgeon, he lectures globally on hip and knee replacement topics. He is active in the American Academy of Orthopaedic Surgeons Continuing Medical Education programs. He is a board examiner for the American Board of Orthopaedic Surgery.