Dr. Hung is a Diplomate of the American Board of Psychiatry and Neurology in adult psychiatry, and graduated magna cum laude from Harvard University as an undergraduate, before completing his MD at Weill Cornell Medical College. He completed his adult psychiatry residency training at the Icahn School of Medicine at Mount Sinai, where he also served as Chief Resident in Psychiatry.

After completing his training, he worked as an Attending Psychiatrist at Mount Sinai Hospital and as a staff psychiatrist at the Fifth Avenue Counseling Center, before taking over the role of Director of the Mount Sinai Psychiatric Emergency Department. After 12 years at Mount Sinai, Dr. Hung is pleased to be back at his alma mater. He remains on the Board of Directors for the Fifth Avenue Counseling Center, is a committee member of the Group for the Advancement of Psychiatry, and is an on-call clinician and volunteer for the Trevor Project, the nation's largest crisis intervention and suicide prevention service for LGBTQ youth.