Stonewall Institute of Phoenix, Arizona offers evidence basedĀ drug and alcohol treatment in a comfortable and supportive environment. Going to “treatment” does not mean you have to be away from family, friends, and work. Stonewall offers an Intensive Outpatient Program, also know as “IOP,” for chemical dependency and substance abuse issues. Stonewall addiction treatment program allows you to receive effective treatment while still maintaing you daily life. Contact Stonewall today 602.535.6468 for more information or visit Stonewall on the web www.stonewallinstitute.com