Original Investigation

Medicare Shared Savings Program and Disparities for Patients With Low Income

JAMA Network Open 10.1001/jamanetworkopen.2026.29369

August 20, 2026 at 11:00 AM EDT

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In this cohort study of MSSP ACOs, ACO formation was not associated with reductions in income-based disparities in quality of care during the program’s first decade. However, the differences in quality of care narrowed for patients with low vs higher income at a subset of ACOs.

Corresponding Author: Dhruv Khullar, MD, MPP, Division of Health Policy and Economics, Department of Population Health Sciences, Weill Cornell Medical College, 575 Lexington Ave, New York, NY 10022 (khd9010@med.cornell.edu).

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