Barth Clinic is a locally owned, family orientated outpatient center, dedicated to helping those suffering from substance use disorder. The Barth family has been treating individuals and families in the Yakima Valley for over 30 years. Harry and Gwen Barth founded Barth Clinic in 1990, opening the first Barth Clinic in January 1991. Since 1990, Barth Clinic has grown with offices in Yakima and Ellensburg. The services have expanded over the years to include complete substance abuse services and employee assistance programs. Barth Clinic is a sub division of the Barth & Associates.