Since 1968 our goal has been straightforward: help patients get their life back on track and achieve a life of sobriety, free from drug use and symptoms of mental illness. A life that is productive, socially responsible and healthy. Gateway Foundation is one of the nation’s largest nonprofit provider of substance use disorder treatment and a nationally recognized leader in the field of addiction medicine. With treatment programs in Florida, Georgia, Illinois, Michigan, Missouri, New Jersey, Texas and Wyoming we specialize in substance use disorders for patients diagnosed with substance use disorder and mental health disorders. Gateway Foundation’s professional clinicians support over 9,000 people a day to successfully complete treatment by developing a personalized plan to treat the underlying causes of substance use disorder—not just their addiction to drugs or alcohol.