Who Owns Your Doctor? A Decade of Trends in Physician Practice Ownership in Dermatology And Gastroenterology

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ID: 320462
2026
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Abstract
Abstract Background How physicians deliver care is shaped by who owns their practice, yet no study comprehensively maps the ownership landscape within a specialty. Methods Using Medicare claims and hand-collected transaction data from 2012 to 2022, we classified dermatologists and gastroenterologists into five mutually exclusive ownership categories—independent, corporate chain, hospital or health system, insurer, and supergroup—and distinguished two pathways out of independent practice: acquisition and organic physician entry. Results Independent practice declined from 62 to 44 percent of dermatologists and from 52 to 31 percent of gastroenterologists. By 2022, corporate chains, nearly all private-equity backed, accounted for 16 percent of dermatologists and 11 percent of gastroenterologists, while hospital ownership reached 26 and 47 percent. Hospitals were the largest non-independent owners in both specialties; corporate chains grew fastest in dermatology. Corporate chains pursued different growth strategies by specialty: acquisitions of established physician-owned supergroups dominated gastroenterology, while growth in dermatology also came from building new chains from small practices. Increasingly, corporate growth was driven by organic entry of both experienced physicians and recent graduates, overtaking acquisitions by 2021 in dermatology. Conclusion Who owns a doctor's practice, and how that ownership grows, varies widely–heterogeneity that has implications for patient care and policy addressing provider consolidation.
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Authors Becky Staiger, Bohan Li, Ambar La Forgia
Journal Health Affairs Scholar
Year 2026
DOI
10.1093/haschl/qxag178
URL
https://doi.org/10.1093/haschl/qxag178
Keywords Keywords not found

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