Millwood Hospital – Excel Center of Lewisville is an mental health treatment center that provides outpatient treatment for men and women from 18+ years of age. As part of their special programs, Millwood Hospital – Excel Center of Lewisville To help patients achieve sobriety, Millwood Hospital – Excel Center of Lewisville provides intake assessments. Afterward, patients receive during treatment. Millwood Hospital – Excel Center of Lewisville is located in Lewisville, Texas, providing treatment for people in Denton County, accepting cash or self-payment.