Improved life functioning along with substance use reduction is increasingly recognized as the definition of effective addiction treatment.To assess whether targeted health and social services contribute to improved physical/mental health and employment.This study used data from the National Treatment Improvement Evaluation Study (N = 3027) and modeled the improvement in physical/mental health and employment at discharge or 12 months after discharge compared with intake measures as a function of receipts of matched services. Receiving matched medical service improves physical health only at treatment discharge; receiving matched mental health services improves mental health at discharge and 12 months after discharge; receiving matched vocational services improves employment only 12 months after discharge. Need-service mat