Petra W. Rasmussen

Petra W. Rasmussen
Associate Policy Researcher


Ph.D. in health policy and management, University of California, Los Angeles; M.P.H. in health policy and management, Columbia University; B.A. in global health practices and policies, Duke University


Petra W. Rasmussen (she/her) is an associate policy researcher at RAND. Her research focuses on health care coverage in the United States, including examining consumer insurance decision-making, tracking the implementation and effects of federal and state health policies, and evaluating gaps in health care access and use. She has over ten years of experience conducting policy research, including as a member of the California Simulation of Insurance Markets (CalSIM) microsimulation model team at the UCLA Center for Health Policy Research, where she supported efforts estimating the effects of coverage-related policies on insurance enrollment in California, and as the senior research associate in health care coverage and access at The Commonwealth Fund. Throughout her career, Dr. Rasmussen has conducted analyses using national, state, and private survey data, as well as large insurance enrollment and claims databases. In addition to her quantitative analysis expertise, Rasmussen is trained in mixed methods research and has conducted semi-structured interviews and program evaluations. She has also led several environmental scans investigating topics such as the quality of Medicare programs, the value of health plans, measures of social determinants of health, alternative payment models for workers’ compensation programs, and public funding sources for transition-age foster youth.

Rasmussen completed her Ph.D. in health policy and management at the UCLA Fielding School of Public Health. She also has a bachelor's degree from Duke University and an M.P.H. in health policy and management from Columbia University's Mailman School of Public Health.

Selected Publications

Anderson D, Rasmussen PW, Drake C, "Estimated Plan Enrollment Outcomes After Changes to US Health Insurance Marketplace Automatic Renewal Rules," JAMA Health Forum, 2(7), 2021

Rasmussen PW, Anderson D, "Estimated Plan Enrollment Outcomes After Changes to US Health Insurance Marketplace Automatic Renewal Rules," Milbank Quarterly, 2021

Rasmussen PW, Rice T, Kominski GF, "California’s New Gold Rush: Marketplace Enrollees Switch To Gold-Tier Plans In Response To Insurance Premium Changes," Health Affairs, 38(11), 2019

Rasmussen PW, Kominski GF, "Sources of Success in California’s Individual Marketplace Under the Affordable Care Act," Journal of Health Politics, Policy and Law, 44(4), 2019