Justin Timbie is a senior health policy researcher at RAND. His research focuses on evaluations of health care payment and delivery system innovations, provider organization and consolidation, and health policy issues involving the safety net. He has over fifteen years of experience conducting evaluations of payment and care delivery models such as patient-centered medical homes, alternative payment models, and statewide delivery and payment reforms conducted through Section 1115 and 1332 waiver authority. He is an expert on Federally Qualified Health Centers (FQHCs) and has studied implementation of medical homes in FQHCs, clinical integration between FQHCs and other medical providers, FQHC efforts to address social determinants of health, and FQHCs’ use of supplemental funding during the COVID-19 public health emergency. Timbie is currently evaluating California’s Cal-AIM 1115 waiver and an assessment of delivery system changes in Puerto Rico following Hurricane Maria and its impact on care for Medicare beneficiaries with Alzheimer’s disease. He also provides technical assistance on policy analysis for the Office of the Assistant Secretary for Planning and Evaluation, including conducting studies assessing the impact of the Affordable Care Act, Medicaid payment policy changes, and payment models that address social drivers of health. Timbie’s research on health care organization includes a wide range of studies on vertically-integrated health systems.
Timbie received his Ph.D. in health policy from Harvard University.

Education

Ph.D. in health policy, Harvard University; B.A. in Biology, Spanish, University of Pennsylvania; Postdoctoral fellow, Veterans Affairs Health System

Languages

Spanish

Selected Work

  • Timbie JW, DeYoreo M, Agniel D, Zhang S, Escarce JJ, "Health System Affiliation and Care for Dual-Eligible and Non-Dual-Eligible Medicare Beneficiaries," JAMA Netw Open, 8(10), 2025
  • Li K, Escarce JJ, Zhang S, Agniel D, DeYoreo M, Timbie JW, "Health System Expansion and Changes in Medicare Beneficiary Utilization of Safety Net Providers," Medical Care, 63(1), 2025
  • DeYoreo M, Agniel D, Zhang S, Escarce JJ, Timbie JW, "Estimating an intervention’s effects on health care disparities within and between physician organizations: decomposing the effects of health system affiliation," Health Services and Outcomes Research Methodology, 2025
  • Timbie JW, Kranz AM, DeYoreo M, Eshete-Roesler B, Elliott MN, Escarce JJ, Totten ME, Damberg CL, "Racial and ethnic disparities in care for health system-affiliated physician organizations and non-affiliated physician organizations," Health Serv Res, 55(Suppl 3), 2020
  • Kranz AM, DeYoreo M, Eshete-Roesler B, Damberg CL, Totten M, Escarce JJ, Timbie JW, "Health system affiliation of physician organizations and quality of care for Medicare beneficiaries who have high needs," Health Serv Res, 55(Suppl 3), 2020
  • O’Hanlon CE, Kranz AM, DeYoreo M, Mahmud A, Damberg CL, Timbie JW, "Access, Quality, And Financial Performance Of Rural Hospitals Following Health System Affiliation," Health Affairs, 38(12), 2019
  • Joshua Breslau, Laurie T. Martin, Justin W. Timbie, Nabeel Qureshi, Deborah Zajdman, Landscape of Area-Level Deprivation Measures and Other Approaches to Account for Social Risk and Social Determinants of Health in Health Care Payments, (PR-A2030-1), 2022
  • Timbie JW, Kranz AM, Mahmud A, Damberg CL, "Specialty care access for Medicaid enrollees in expansion states," Am J Manag Care, 25(3), 2019

Authored by Justin W. Timbie

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