NEJM Interview: Michael Liu on a new model that will expand the use of prior authorization in traditional Medicare.

Michael Liu is a resident physician at Brigham and Women’s Hospital. Stephen Morrissey, the interviewer, is the Executive Managing Editor of the Journal. M. Liu, K.T. Kadakia, and R.K. Wadhera. Proliferation of Prior Authorization in Traditional Medicare — None the WISeR? N Engl J Med 2025;393:1457-1459.