Timothy O’Brien

Tim currently leads assignment of beneficiaries for the Medicare’s Accountable Care Organization program, pioneering the integration of voluntary alignment. Tim has also leveraged claims data to answer evaluation questions and solve implementation challenges on multiple Medicare and Medicaid initiatives.

Applying ingenuity to solve complex challenges in the quest to improve the human conditions brings me great job satisfaction.

Areas of Expertise:

  • Alternative Payment Models
  • Beneficiary Assignment
  • Provider Enumeration
  • Complex Data
  • Program Implementation & Evaluation



  • MS, Economics, London School of Economics and Political Science
  • BA, Economics, Harvard University