Ethan Choi is a fictional character from the television series Chicago Med. He is portrayed by actor Brian Tee and serves as an emergency medicine physician at Gaffney Chicago Medical Center. Known for his dedication to patient care, Ethan often faces challenging medical cases and ethical dilemmas in the fast-paced hospital environment. In addition to his medical expertise, Ethan has a complex personal life that includes relationships with other characters, such as April Sexton. His character development throughout the series highlights themes of resilience, teamwork, and the emotional toll of working in healthcare.