The National Association of Addiction Treatment Providers (NAATP) represents not-for-profit and for-profit providers (free standing and hospital based programs, which offer a full continuum of care from outpatient, partial hospitalization and inpatient rehabilitation regimes).  It has acted as the voice of private alcoholism and drug dependency treatment programs throughout the U.S., in Congress, in the insurance industry, in the utilization review arena and in the chemical dependency treatment field itself, in areas such as treatment standards, education, research, and advocacy of legislative, regulatory and reimbursement positions supported by the field.