Debra P. Ritzwoller, PhD

Senior Investigator

Debra RitzwollerDebra P. Ritzwoller, PhD, is a Senior Investigator and the Co-Director of the Center for Excellence in Cancer and Genomics (C-Gen) at the Institute for Health Research. Her research focuses on variation in cancer screening and treatment, outcomes and costs in community settings, the impact of insurance benefit design on patient cost-sharing, and cost estimation and cost-effectiveness.

Dr. Ritzwoller completed her doctoral training in economics at the University of Colorado, Boulder. As a health economist and health services researcher, she has served as a Principal Investigator or Co-investigator on more than a dozen large, complex, multi-site studies, including several studies in the Cancer Research Network (CRN). Currently, Dr. Ritzwoller is the co-lead of the Lung PROSPR Research Center (Lung-PRC) to improve lung cancer screening. Additionally, she is involved in a variety of research-related activities and projects associated with building, enhancing, and validating the Health Care Systems Research Network (HCSRN)-sponsored federated research data infrastructure known as the Virtual Data Warehouse (VDW).

Dr. Ritzwoller is an Adjunct Professor in the Department of Health Systems, Management, and Policy at the University of Colorado School of Public Health and a member of the National Cancer Institute (NCI) Cancer Care Delivery Research (CCDR) Steering Committee.


Selected Research

  • The Lung PROSPR Research Center (Lung-PRC)
    Funder: National Cancer Institute
    Study End Date: 3/31/2023
  • Pragmatic Trial of More versus Less Intensive Strategies for Active Surveillance of Patients with Small Pulmonary Nodules
    Funder: Patient-Centered Outcomes Research Institute
    Study End Date: 7/31/2020
  • Kaiser Permanente NCI Community Oncology Research Program (NCORP) Cancer Care Delivery Research Program (CCDR)
    Funder: National Cancer Institute
    Study End Date: 7/31/2019
  • Commonly Used Medications and Risk of Colorectal Cancer Recurrence
    Funder: National Cancer Institute
    Study End Date: 7/31/2018
  • Cancer Recurrence Detection in Administrative Data, Incidence, and Costs
    Funder: National Cancer Institute
    Study End Date: 2/28/2018
  • PCORnet Cancer CRG Application
    Funder: Patient-Centered Outcomes Research Institute
    Study End Date: 12/31/2017