Rachel Machta

Rachel Machta

Senior Researcher

Rachel Machta’s research focuses on delivery system reform, including the evaluation of new payment models and other delivery system redesign efforts geared at improving quality and reducing costs. She has expertise in primary care transformation, incentive designs, and the changing landscape of the U.S. health care systems.

Machta currently serves as a researcher on Mathematica’s evaluation of the Comprehensive Primary Care Plus (CPC +) Initiative for the Centers for Medicare & Medicaid Services. She is a member of the practice team and leads the quarterly analysis of the CPC+ Care Delivery Requirements. She is also a researcher for Mathematica’s Coordinating Center for the Agency for Healthcare Research and Quality’s Comparative Health System Performance Initiative which seeks to classify and characterize types of health systems in the US and compare their performance in terms of clinical and cost outcomes. In addition she contributes to the evaluation of Medicaid Section 1115 waiver demonstrations.

Machta’s work has been published in peer-reviewed journals, including Annals of Family Medicine. She holds in Ph.D. in health policy and management from the University of North Carolina at Chapel Hill.


  • Delivery system reform
  • Primary care redesign and transformation
  • Hospital and physician integration
  • Quasi-experimental and mixed methods studies
Focus Area Topics
  • Health
  • Delivery System Reforms
  • Medicaid and CHIP
  • Medicare

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