Hospitals
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Mayo Clinic Hospital Rochester St Mary's Campus
Education
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University of Massachusetts Medical School
Residency
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Mayo Clinic, Rochester, MN, Orthopedic Surgery
Fellowship
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Hospital for Special Surgery, New York, NY, Adult Reconstruction and Joint Replacement
Katherine Mallett, M.D., is an Assistant Professor of Orthopedic Surgery in the Division of Hip and Knee Reconstruction at Mayo Clinic in Rochester, Minnesota. She specializes in complex primary and revision hip and knee arthroplasty, with a clinical focus on restoring mobility and improving quality of life for patients with advanced arthritis and challenging reconstructive needs.
In addition to her surgical practice, Dr. Mallett is a dedicated clinician-scientist whose research focuses on advancing implant design, reducing complications, and optimizing recovery after joint replacement. Her work has been recognized nationally with the Stinchfield Award and the Philip D. Wilson Award at the Hospital for Special Surgery. She has authored numerous peer-reviewed publications and regularly shares her research at national meetings.
Dr. Mallett has served as Chair of the Resident Assembly of the American Academy of Orthopaedic Surgeons and is the former host of the JAAOS Unplugged podcast. She is passionate about mentorship and education, and is committed to supporting the growth of future orthopedic surgeons.
Dr. Mallett earned an A.B. in Neurobiology at Harvard University where she was an All-American and National Champion rower. She received her M.D. at the University of Massachusetts Medical School, where she served on the Board of Trustees and received the Chancellor's Award for graduating at the top of her class. She completed her residency in Orthopedic Surgery at Mayo Clinic, where she received the award for the top clinical resident and top research project upon graduation. She then pursued fellowship training in Adult Reconstruction and Joint Replacement at the Hospital for Special Surgery, receiving the Research Excellence Award for her work investigating knee replacement failure mechanisms.
