About Our Doctors Nevan G. Baldwin, M.D., F.A.C.S. Certified by the American Board of Neurological Surgery Mark D. D’Alise, M.D., F.A.C.S. Certified by the American Board of Neurological Surgery Richard E. George, M.D., F.A.C.S. Certified by the American Board of Neurological Surgery Harold K. Smith, M.D. Certified by the American Board of Neurological Surgery Albert Telfeian, M.D., Ph.D. Certified by the American Board of Neurological Surgery