In recent years, private equity (PE) firms have increasingly turned their attention to healthcare, particularly targeting physician practices for acquisition. Contrary to widespread apprehensions about such buyouts leading to diminished care quality and workforce reductions, new data from Brown University suggest a more nuanced reality, at least within primary care settings. Researchers at Brown’s School of Public Health have leveraged comprehensive Medicare claims data to examine how private equity acquisitions influence practice operations, patient care utilization, spending patterns, and workforce dynamics. Their findings challenge prevailing narratives by demonstrating that PE ownership can coincide with increased patient volume, expanded preventive services, and growth in healthcare teams, albeit amidst a complex interplay of financial incentives inherent in fee-for-service payment structures.
The study focused on 225 primary care practices acquired by private equity firms between 2016 and 2022 and compared them with a cohort of independently owned counterparts. This longitudinal, data-driven approach allowed researchers to quantify changes in practice productivity, patient throughput, service mix, and staffing with robust statistical analyses. The use of national Medicare claims rendered a vital lens into the utilization patterns of older adults—a population heavily reliant on primary care—providing actionable insights into how PE ownership recalibrates everyday clinical operations.
One of the most striking revelations was the approximately 11% increase in the total number of patients seen in PE-owned practices. This counters the commonly held belief that private equity prioritizes cost-cutting over access, which often manifests in reduced appointment availability and longer wait times. The increased patient volume suggests these practices enhanced their capacity to absorb greater demand, potentially mitigating one of the most persistent challenges in U.S. healthcare: limited accessibility to primary care services.
Further dissecting service utilization, the team uncovered a 30% increase in services billed per physician and roughly 13% more services per patient in PE-acquired practices relative to their independent counterparts. Importantly, the augmented service mix was predominantly rooted in preventive care measures, such as lab tests and screenings for chronic conditions like diabetes and hyperlipidemia. This shift towards enhanced preventive care may signal an intent, or at least a byproduct, of improving early detection and long-term health outcomes, although the study prudently refrains from asserting direct causal impacts on health status.
Central to these findings was the substantial uptick in Medicare annual wellness visits—a comprehensive preventive checkup mandated by Medicare but historically underutilized due to administrative burdens. Post-acquisition, practices increased the completion of these wellness visits by more than 20%, underscoring how PE firms may leverage operational efficiencies and incentivize documentation to boost adherence to recommended preventive protocols. This phenomenon highlights how payment policies and documentation requirements act as powerful levers shaping clinical behavior under private ownership.
Critically, unlike many other healthcare settings where private equity involvement has led to widespread staffing reductions and heightened pressures on remaining personnel, primary care practices in this study demonstrated an expansion of their workforce. Specifically, these practices increased hiring by about 17% for physicians and an even more significant 40% for nurse practitioners and physician assistants. This workforce growth likely represents an intentional strategy to distribute increased clinical workloads across multidisciplinary care teams, aligning with contemporary models favoring advanced practice providers to enhance efficiency and access.
The researchers emphasize that the observed expansion contrasts sharply with documented harms in sectors such as hospitals and nursing homes, where private equity ownership often correlates with staffing cuts and negative patient outcomes. This divergence reinforces the imperative to avoid blanket conclusions about private equity’s role in healthcare and instead adopt a nuanced, sector-specific perspective. It also raises critical questions about the market conditions, payment incentives, and organizational structures that govern how private equity influences care delivery.
From a financial perspective, the study found that total Medicare spending per physician rose by about 15% following PE acquisition. However, spending per patient remained relatively stable, indicating that while physicians were delivering more services to more patients, the intensity of resources consumed per individual patient did not escalate. This suggests that increases in revenue for private equity firms were primarily volume-driven, made possible under the prevailing fee-for-service reimbursement system incentivizing each individual service rendered rather than holistic patient outcomes.
Yet, the study appropriately notes several limitations that temper the interpretation of these findings. The exclusive focus on Medicare patients may not capture trends within other payer populations or younger demographics. Additionally, the follow-up period post-acquisition was relatively short, constraining the ability to assess long-term health outcomes or sustained operational changes. The study also acknowledges potential unmeasured adverse impacts, such as diminished clinician autonomy, increased burnout, or subtler quality deficits not evident in claims data analysis alone.
Lead author Yashaswini Singh articulates the central insight emerging from this work: private equity’s impact on healthcare is far from monolithic. While previous studies documented clear harms in certain healthcare settings, primary care presents a complex tableau where PE ownership may coincide with expanded access, workforce growth, and increased preventive services. The analysis compels patients, policymakers, and researchers to consider under what specific market dynamics and incentive frameworks private equity might contribute positively to healthcare delivery, and how these conditions could be cultivated to maximize benefits while mitigating risks.
In conclusion, this rigorous examination of private equity acquisitions within primary care practices unfurls a counterintuitive narrative that challenges entrenched assumptions. Increased patient volumes, enhanced preventive care utilization, and broader clinical teams paint a picture of growing capacity and potential improved access amid the structural challenges besetting American primary care. However, as this is an evolving landscape characterized by complex financial and policy interactions, ongoing research and vigilant oversight are paramount to ensure that expanded service provision truly translates into improved patient health and system sustainability.
Subject of Research: Private equity ownership impact on primary care practice utilization, spending, and workforce composition.
Article Title: Private Equity Acquisitions In Primary Care: Changes In Utilization, Spending, And Workforce
News Publication Date: 20-May-2026
Web References: http://dx.doi.org/10.1377/hlthaff.2025.01703
Keywords: Private equity, primary care, healthcare utilization, Medicare, workforce expansion, preventive care, fee-for-service, annual wellness visits
