John Mastronarde, MD, is a pulmonologist and lead developer of the Oregon Clinic's Asthma Center at Providence Portland Medical Center, where he is also the Garnjobst Chair of Medical Education. Dr. Mastronarde has been named one of "America's Best Doctors" in asthma, general pulmonary and critical care by U.S. News every year from 2005-2014. He is board certified by the ABIM in pulmonary and critical care. Dr. Mastronarde is also a professor at Oregon Health and Science University.