Marcus D. Mazur, MD, FAANS, is a board-certified fellowship-trained spine neurosurgeon. His clinical practice focuses on adult spinal surgery for disorders on the cervical, thoracic, and lumbar spine. He is a recognized expert in the treatment of adult spinal deformity, complex revision surgery, spinal oncology, and minimally invasive spine surgery. He also practices general neurosurgery. Dr. Mazur completed his neurosurgery residency at the University of Utah and a postgraduate spine fellowship at the University of Virginia. Prior to joining PNI, he was a tenured faculty member at the University of Utah, where he was the program director of the neurosurgery residency and the director of the neurosurgery spine fellowship.