Dr. Nagan received his medical degree from Touro University California. He completed his Internal Medicine residency at Kaiser Hospital in San Francisco in 2014 and also served as chief resident the following year. He completed his Pulmonary and Critical Care fellowship at the University of Nevada Las Vegas in 2018 and was hired as an assistant professor at UNLV after fellowship. He worked at UNLV as part of the pulmonary and critical care faculty through 2021. He joined UTMB in September 2021 as an assistant professor in the division of Pulmonary, Critical Care, and Sleep Medicine.