We do this by providing a multitude of levels of care, including detoxification, residential treatment for substance use, residential treatment for dual diagnosis, acute psychiatric inpatient hospitalization, medication-assisted treatment (MAT) services, and an array of outpatient programming options, ranging from partial hospitalization programs (PHPs) and intensive outpatient programs (IOPs) to traditional outpatient services. As a leading provider of behavioral healthcare services in the United States and Puerto Rico, Acadia Healthcare operates 258 treatment facilities across 38 states.