Policy Brief
Avalere: Medicare Service Use and Expenditures Across Physician Practice Affiliation Models
National trends in physician practice affiliation over the last decade show movement away from unaffiliated private practice toward models in which physicians align with a larger entity that can offer administrative and financial support. In addition to health system or corporate models, physicians may choose to align with an administrative organization, often referred to as a management services organization (MSO). MSOs vary considerably in the services they offer and often have financial capitalization, either from large groups of physicians, insurers, private equity (PE) sponsors, or other entities, such as retailers and distributors. Stakeholders demonstrate a high level of interest in the impact that the continued shift away from unaffiliated private practice has on the healthcare system—particularly the cost, utilization, and quality of healthcare services associated with these trends.
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