ISAP Researchers' Profiles

Howard Padwa, Ph.D.

Dr. Padwa is a qualitative researcher at UCLA’s Integrated Substance Abuse Programs (UCLA-ISAP). He has conducted historical research the interplay between political culture, narcotics control, and addiction treatment practices, and he has led qualitative data collection and analysis activities for mixed methods studies of mental health system transformation, behavioral health service integration, evidence-based practice implementation, and the Affordable Care Act. At UCLA-ISAP, Dr. Padwa is part of an interdisciplinary team evaluating California’s Drug Medi-Cal Organized Delivery System (DMC-ODS) Waiver amendment for the California Department of Health Care Services, he manages a Hilton Foundation-supported project on adolescent substance use prevention and early intervention services, and he is co-investigator of a PCORI-funded project to engage stakeholders in patient-centered research on opioid use disorder treatment. In addition, Dr. Padwa regularly collaborates with researchers from other departments and universities, and he provides trainings for community members on issues related to substance use and health service integration.

Education and Training

  • University of Delaware, B.A., 2000, History, French, Political Science
  • University of Delaware, M.A., 2000, History
  • University of California, Los Angeles, Ph.D., 2008, History
  • University of California, Los Angeles, Post-Doctoral Training, 2010-2012, Addiction Health Services Research


  • Health care reform
  • Impact of political culture on behavioral health policy and practice
  • Implementation science
  • Integration of substance use services with other health and social services
  • Qualitative research
  • Substance use disorder treatment systems

Contact Info

Howard Padwa, Ph.D.
UCLA Integrated Substance Abuse Programs
11075 Santa Monica Blvd., Suite 200
Los Angeles, CA 90025

Selected Publications


  • Guerrero, E., Padwa, H., Fenwick, K., Harris, L., Aarons, G.A. in press. Identifying and Ranking Implicit Leadership Strategies to Promote Evidence-Based Practice Implementation in Addiction Health Services. Implementation Science.
  • Padwa, H., Meldrum, M., Friedman, J.R., Braslow, J. in press. A Mental Health System in Recovery: The Era of Deinstitutionalisation in California. In D. Kritsotaki, M. Smith, V. Long. Deinstitutionalisation and After: Post-War Psychiatry in the Western World. London: Palgrave-Macmillan.
  • Padwa, H., Teruya, C., Tran, E., Lovinger, K., Antonini, V., Overholt, C., Urada, D. 2016.  Implementation of Integrated Behavioral Health Protocols in Primary Care Settings in Project Care. Journal of Substance Abuse Treatment, 62, 74-83.
  • Padwa, H., Guerrero, E., Fenwick, K., Braslow, J. 2015. Barriers to Serving Clients with Co-Occurring Disorders in a Transformed Mental Health System. Psychiatric Services, 66(5), 547-550.
  • Evans, E., Padwa, H., Li, L., Lin, V., Hser, Y.I. 2015. Heterogeneity of Mental Health Service Utilization and High Mental Health Service Use among Women Eight Years after Initiating Substance Use Disorder Treatment. Journal of Substance Abuse Treatment, 59, 10-19.
  • Guerrero, E., Padwa, H., Lengnick-Hall, R., Kong, Y., Perrigo, J. 2015. Leadership and Licensure for Drug Treatment and the Implementation of Co-Occurring Disorder Treatment in Community Mental Health Centers. Community Mental Health Journal, 51(5), 554-566.
  • Padwa H., Ni Y.-M., Barth-Rodgers Y., Arangua L., Andersen, R., Gelberg L. 2014. Barriers to Drug Use Behavior Change Among Primary Care Patients in Urban United States Community Health Centers. Substance Use and Misuse, 49(6):743-751.
  • Padwa, H., Larkins, S., Crevecoeur-MacPhail, D., Grella, C.  2013. Dual-Diagnosis Capability of Mental Health and Substance Use Disorder Treatment Programs in Southern California. Journal of Dual Diagnosis 9(2):179-186.
  • Padwa, H., Urada, D., Antonini, V., Ober, A., Crevecoeur-MacPhail, D., Rawson, R.  2012. Integrating Substance Use Disorder Services with Primary Care: The Experience in California. Journal of Psychoactive Drugs 44(4):299-306.
  • Padwa, H. 2012. Social Poison: The Culture and Politics of Opiate Control in Britain and France, 1821-1926. Baltimore: Johns Hopkins University Press.

Last updated - 05/12/2016

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2016 ISAP Publications
2015 ISAP Publications