The authors describe the development and administration of a substance use attitudes questionnaire to social work students and clinicians, physician assistant students and practitioners, and medical interns. The general purpose for the Attitudes Survey was to collect baseline data regarding past training, current attitudes, beliefs, practices, and knowledge regarding SUD across multiple disciplines. The field survey questionnaire, modeled on D'Onofrio's, was administered to 276 Physician Assistant students and clinicians, Internal Medicine interns, Masters of Social Work students and clinicians working in treatment settings in Houston, Texas.