Wilfredo Lim

Wilfredo Lim

Senior Researcher
Areas of Expertise
  • Program evaluation
  • Value-based payments
  • Medicare and Medicaid dual eligibility
  • Disability
  • Statistics and Measurement
  • Health Care
  • Long-Term Services and Supports
  • Health
  • Quality Measurement
About Wilfredo

Wilfredo Lim is experienced in program evaluation, regression discontinuity design, reliability, and benchmarking. His projects focus on performance measurement, value-based payments, long-term care, and dual eligibility for Medicare and Medicaid.

Lim joined Mathematica in 2012 and worked on a three-year study to evaluate the effectiveness of long-term support services and care coordination for people with disabilities; the study also explored innovative programs designed to improve their care and quality of life. He currently conducts research on the Money Follows the Person Rebalancing Demonstration Grants, to determine the impacts of shifting, or rebalancing, long-term care expenditures away from institutional care and toward home and community-based services. In addition, Lim is the deputy project director on a project that computes Medicare physician fee schedule payment modifiers and produces confidential physician feedback reports. In this role, he leads the research analyses to improve the physician profiling process using Medicare claims data.

Previously, Lim held positions at Columbia University, LifeMasters Supported SelfCare, and Analysis Group. He has published his work in the Journal of Public Economics and Journal of Health Economics holds a Ph.D. in economics from Columbia University.

Key Projects
  • health-computer
    Developing Resource Use Reports for Medicare Fee-for-Service Claims

    Mathematica assisted the Centers for Medicare and Medicaid Services with designing a system to implement physician value-based purchasing for Medicare beneficiaries, which includes development and distribution of confidential physician feedback reports that inform physicians of their performance on quality...