Dr. Paul Weston is a fictional character from the television series The United States of Tara. He is portrayed as a psychiatrist who specializes in treating patients with dissociative identity disorder. His character is known for his compassionate approach and dedication to understanding the complexities of his patients' minds. In the series, Dr. Weston often navigates the challenges of working with Tara Gregson, the main character, who struggles with multiple personalities. His role highlights the importance of mental health professionals in providing support and guidance to individuals facing psychological difficulties.