Dr. Mark J. Spangehl is an orthopedic surgeon specializing in adult hip and knee reconstruction. He serves as the Chair of the Division of Adult Reconstruction in the Department of Orthopedic Surgery at Mayo Clinic in Arizona and is a Professor of Orthopedics. Dr. Spangehl has been engaged in clinical practice and research for over 15 years, focusing on total hip and knee replacement, postoperative pain management, and periprosthetic joint infections. He founded both the Orthopedic Surgery Residency and the Adult Reconstructive Surgery Fellowship at Mayo Clinic's Arizona campus and is actively involved in resident and fellow education.