Travel At NYC hospital treating coronavirus, doctors ‘use their MD license like they haven’t had to before’ April 3, 2020 Ryan W. Miller, USA TODAY Comments Off on At NYC hospital treating coronavirus, doctors ‘use their MD license like they haven’t had to before’ In 40 years of medicine, Dr. Steven Corwin, head of NewYork-Presbyterian, says he's never seen a response like the one required for novel coronavirus.