Maureen T Stewart

Senior Scientist and Lecturer

Maureen T Stewart's photo


Office: Heller-Brown Building 262
Phone: 781-736-3717
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Health services research, with a focus on financing, payment, organization, access to and quality of behavioral health care.


  • HS 520a - Payment and Financing of Health Care


  • Brandeis University
  • Brandeis University
  • Boston College

Maureen T Stewart

Senior Scientist and Lecturer


Maureen Stewart, PhD is a Scientist and Lecturer in the Institute for Behavioral Health at the Heller School for Social Policy and Management. Her research interests include the financing, payment, and organization of behavioral health services. Her research focuses on policy and system approaches improve access to and quality of alcohol and drug treatment services and to reduce racial, ethnic, and geographic disparities in substance use treatment services. Dr. Stewart is currently PI of a NIDA study examining how Medicaid managed care plan policies influence access to and quality of opioid use disorder treatment, co-investigator of a NIDA study of the hub-and-spoke model of opioid treatment in Washington State, and quantitative lead of an evaluation of Massachusetts' efforts to improve access to medication for opioid use disorder. With funding from ASPE, Dr. Stewart recently completed case studies of emergency departments’ efforts to expand access to substance use treatment which started with offering medication treatment for opioid use disorder and expanded to engaging patients in treatment for alcohol and other substance use disorders. Dr. Stewart also led a Brandeis team in a national assessment of state and Medicaid regulations regarding residential substance use and mental health treatment services with funding from ASPE. Dr. Stewart was the project director for the nationally representative study of alcohol, drug, and mental health services in private health plans, funded by NIAAA and NIDA.

Awards and Honors

  • NIDA Ruth L. Kirschstein National Research Service Award for Individual Predoctoral Fellows (2007 - 2009)
  • AcademyHealth Health Services Research Impact Award for J Needleman, P Buerhaus, M Stewart, S Mattke, K Zelevinsky, “Nurse-Staffing In Hospitals: Is there a Business Case for Quality?,” Health Affairs (January / February 2006). (2006)
  • NIAAA Ruth L. Kirschstein Research Service Award (2003 - 2006)


  • Stewart MT, Thomas CT, Coulibaly N, Report prepared for the Office of the Assistant Secretary for Planning and Evaluation. Emergency Department Interventions for Opioid Use Disorder. 2020. (forthcoming)
  • Hodgkin D, Horgan, CM, Stewart MT, Brown SJ. "New interventions to address substance use disorder must take financial sustainability into account." Health Affairs Blog (2021).
  • Stewart MT, Coulibaly N, Dey J, Schwartz D, Thomas CP. "Emergency department-based efforts to offer medication treatment for opioid use disorder: What can we learn from current approaches?." Journal of Substance Abuse Treatment (2021).
  • Stewart MT, Hogan TP, Nicklas J, Robinson SA, Purington CM, Miller C, Vimalananda V, Connolly SL, Wolfe HL, Nazi K, Netherton D, Shimada SL. "The promise of patient portals for individuals living with chronic illness: Qualitative study identifying pathways of patient engagement." Journal of Medical Internet Research 22. 7 (2020): e17744.
  • Davis MT, Torres M, Nguyen A, Stewart MT, Reif S. "Improving quality and performance in substance use treatment programs: What is being done and why is it so hard?." Journal of Social Work (2019).
  • Hodgkin D, Garnick DW, Horgan CM, Busch AB, Stewart MT, Reif S. "Is it feasible to pay specialty substance use disorder treatment programs based on patient outcomes?." Drug and Alcohol Dependence (2019).
  • Sharon Reif, Mary F. Brolin, Maureen T. Stewart, Thomas J. Fuchs, Elizabeth Speaker, Shayna B. Mazel. "The Washington State Hub and Spoke Model to Increase Access to Pharmacotherapy to Treat Opioid Use Disorders." Journal of Substance Abuse Treatment 108 (2019): 33-39.
  • Stewart MT, O'Brien M, Shields M, White MC, Mulvaney-Day N,. State Residential Treatment for Behavioral Health Conditions: Regulation and Policy. Report for the Office of the Assistant Secretary for Planning and Evaluation. 2019.
  • Hodgkin D, Stewart M, Merrick E, Pogue YZ, Sylvia L, Deckersback T, Nierenberg A, Reilly-Harrington N. "Prevalence and Predictors of Physician Recommendations for Medication Adjustment in Bipolar Disorder Treatment." Journal of Affective Disorders 238. (2018): 666-73.
  • Shields M, Stewart MT, Delaney K. "Patient Safety in Inpatient Psychiatry: A Remaining Frontier for Health Policy." Health Affairs 37. 11 (2018): 1853-61.
  • Stewart MT, Reif S, Dana B, Nguyen A, Torres M, Davis M, Ritter G, Hodgkin D, Horgan CM. "Incentives in a Public Addiction Treatment System: Effects on Waiting time and Selection." Journal of Substance Abuse Treatment 95. (2018): 1-8.
  • Hodgkin D, Horgan CM, Stewart MT, Quinn AE, Creedon TB, Reif S, Garnick DW. "Federal parity and access to behavioral health care in private health plans." Psychiatric Services 69. 4 (2017): 396-402.
  • Quinn AE, Hodgkin D, Perloff JN, Stewart MT, Brolin M, Lane N, Horgan CM. "Design and impact of bundled payment for detox and follow-up care." Journal of Substance Abuse Treatment 82. Supplement C (2017): 113-121.
  • Quinn AE, Reif S, Merrick EL, Horgan CM, Garnick DW, Stewart MT. "How do private health plans manage specialty behavioral health treatment entry and continuing care?." Psychiatric Services 68. 9 (2017): 931-937.
  • Quinn AE, Stewart MT, Brolin M, Horgan CM, Lane N.. "Massachusetts Substance Use Disorder Treatment Organizations’ Perspectives on the Affordable Care Act: Changes in Payment, Services, and System Design." Journal of Psychoactive Drugs 2017; epub ahead of print 3/28/2017 (2017).
  • Reif S, Creedon TB, Horgan CH, Stewart MT, Garnick DW. "Commercial health plan coverage of treatment for selected opioid use disorders from 2003 to 2014." Journal of Psychoactive Drugs epub ahead of print 3/28/2017. (2017).
  • Stewart MT, Horgan CM, Hodgkin D, Creedon T, Quinn AE, Garito L, Reif S, Garnick DW.. "Behavioral health coverage under the Affordable Care Act: What can we learn from marketplace products?." Psychiatric Services 69. 3 (2017): 315-321.
  • Stewart MT, Horgan CM, Quinn A, Garnick DW, Reif S, Creedon TB, Merrick EL. "The role of health plans in supporting behavioral health integration." Admin Pol Mental Health Mental Health Serv Res (2017): 1-11.
  • Horgan CM, Hodgkin D, Stewart MT, Quinn AE, Merrick EL, Reif S, Garnick DW, Creedon TB. . Psychiatric Services, (2016) 67(2):162-68.. "Health Plan’ Early Response to Federal Parity Legislation for Mental Health and Addiction Services." Psychiatric Services, 67. 2 (2016): 162-68.
  • Horgan CM, Stewart MT, Reif S, Garnick DW, Hodgkin D, Merrick EL, Quinn AE. "Behavioral health services in the changing landscape of private health plans." Psychiatric Services epub ahead of print 2/14/16. (2016).
  • Quinn AE, Reif S, Evans B, Creedon T, Stewart M, Garnick D, Horgan C.. "Health plan HIT strategies to improve behavioral health care." American Journal of Managed Care 22. 12 (2016): 810-15.
  • Reif S, Horgan CM, Hodgkin D, Matteucci A, Creedon TB, Stewart MT. "Access to Addiction Pharmacotherapy in Private Health Plans." Journal of Substance Abuse Treatment 66. (2016): 23-29.
  • Hodgkin D, Horgan CM, Quinn AE, Merrick EL, Stewart MT, Leslie LK.. "Management of newer medications for attention-deficit/hyperactivity disorder in commercial health plans." Clinical Theraputics 36. 12 (2015): 2034-46.
  • Stewart, M. T., Horgan, C. M., Garnick, D. W., Ritter, G., McLellan, A. T.. "Performance contracting and quality improvement in outpatient treatment: Effects on waiting time and length of stay." J Subst Abuse Treat 44. 1 (2012): 27-33.
  • Brucker, Debra L and Maureen T Stewart. "Performance-Based Contracting Within a State Substance Abuse Treatment System: A Preliminary Exploration of Differences in Client Access and Client Outcomes." Journal of Behavioral Health Services and Research Published online 20 January. (2011).
  • Stewart, Maureen T and Constance M Horgan. "Health Services and Financing of Treatment." Alcohol Research & Health 33. 3 (2011): 389-94.
  • CM Horgan, EL Merrick, M Stewart, SH Scholle, S Shih. "Improving medication management of depression in health plans." Psychiatric Services 59. 1 (2008): 72-7.
  • EL Merrick, CM Horgan, DW Garnick, S Reif, M Stewart. "Accessing Specialty Behavioral Health Treatment in Private Health Plans." Journal of Behavioral Health Services & Research published online 23 December. (2008).
  • CM Horgan, EL Merrick, S Reif, M Stewart. "Internet-based behavioral health services in health plans." Psychiatric Services 58. 3 (2007): 307.
  • J Needleman, P Buerhaus, M Stewart, S Mattke, K Zelevinsky. "Nurse-Staffing In Hospitals: Is there a Business Case for Quality." Health Affairs January/February. (2006).
  • S Mattke, J Needleman, P Buerhaus, M Stewart, K Zelevinsky. "Evaluating the Role of Patient Sample Definitions for Quality Indicators Sensitive to Nurse Staffing Patterns." Medical Care February 2004. Suppl (2004): II21-33.
  • J Needleman, P Buerhaus, S Mattke, M Stewart, K Zelevinsky. "Measuring Hospital Quality: Can Medicare Data Substitute for All-Payer Data?." Health Services Research December, 2003. (2003): 1487-1508..
  • J Needleman, P Buerhaus, S Mattke, M Stewart, K Zelevinsky. "Nurse-Staffing Levels and the Quality of Care in Hospitals." New England Journal of Medicine 30 May 2002. (2002): 1715-1722.
  • P Buerhaus, J Needleman, S Mattke, M Stewart. "Strengthening Hospital Nursing." Health Affairs September / October 2002. (2002): 123 - 132.