About Scottsdale Comprehensive Treatment Center in Scottsdale, AZ Adults seeking professional care for opioid addiction can get personalized outpatient treatment at Scottsdale Comprehensive Treatment Center, which is located in Scottsdale, Arizona. We offer medication-assisted treatment (MAT) to adults age 18 and older of all genders. MAT is an evidence-based practice that is supported by many years of scientific research. Government agencies such as the Substance Abuse and Mental Health Services Administration (SAMHSA) and the National Institute on Drug Abuse (NIDA) recommend MAT as the best method of treatment for use in methadone clinics.