Research Grants

Funding For:

Private Equity Acquisitions of Physician Medical Practices and Implications for Practice Patterns and Costs of Care

Cost & Quality / Private Equity


Jane Zhu, Oregon Health and Science University

Grant Period:

Jan 01, 2021 - Jan 31, 2023



Summary of the Project:

Using private health insurance claims and longitudinal data on private equity (PE) investment in physician medical practices, this study will describe recent trends in PE acquisitions and assess their effect on total and component charges and on categories of health care utilization across physician groups. Findings will provide needed empirical evidence about the implications of the marked increase in PE investments in the health care sector.

Grantee Publications

April 13, 2023

A Policy Framework for the Growing Influence of Private Equity in Health Care Delivery

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Author: Christopher Cai, Zirui Song,

January 9, 2023

Workforce Composition In Private Equity–Acquired Versus Non–Private Equity–Acquired Physician Practices

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Author: Joseph Dov Bruch, Canyon Foot, Yashaswini Singh, Zirui Song, Daniel Polsky, and Jane M. Zhu

September 2, 2022

Association of Private Equity Acquisition of Physician Practices With Changes in Health Care Spending and Utilization.

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Author: Singh Y, Song Z, Polsky D, Bruch JD, Zhu JM.

April 29, 2022

Geographic Variation in Private Equity Penetration Across Select Office-Based Physician Specialties in the US

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Author: Y Singh, JM Zhu, D Polsky, et al