Upon graduation , he was commissioned an ensign in the United States Navy .
Upon graduation , he was received a four - year Navy Health Professions Scholarship to attend the University of California , San Francisco School of Medicine , receiving his M.D. in 2003 .
Upon graduation , he was commissioned an ensign in the United States Navy and received a four - year Navy Health Professions Scholarship to attend the University of California , San Francisco School of Medicine , receiving his M.D. in 2003 .