Do Managed Care Plans’ Tiered Networks Lead To Inequities In Care For Minority Patients?

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Abstract
This study examined whether specialists designated as meeting efficiency thresholds in an insurance company's performance network were less likely than non-designated specialists to treat minority patients insured by that company. Claims data were used to identify patients treated by specialists. Claimants' race/ethnicity status was self-reported to the insurer at enrollment. In large part, minority patients appeared to be evenly distributed across the performance network, with the exception of Asian/Pacific Islanders, who appeared to be more likely to be treated by nondesignated physicians than by designated "good-performing" specialists.