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Objective
To assess racial and ethnic disparities in care for Medicare fee‐for‐service (FFS) beneficiaries and whether disparities differ between health system‐affiliated physician organizations (POs) and nonaffiliated POs.
Data Sources
We used Medicare Data on Provider Practice and Specialty (MD‐PPAS), Medicare Provider Enrollment, Chain, and Ownership System (PECOS), IRS Form 990, 100% Medicare...
Objective
To test the hypothesis that health systems provide better care to patients with high needs by comparing differences in quality between system‐affiliated and nonaffiliated physician organizations (POs) and to examine variability in quality across health systems.
Data Sources
2015 Medicare Data on Provider Practice and Specialty linked physicians to POs. Medicare Provider Enrollment, Chain,...
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