GAO releases study on vertical integration in Part D
On Oct. 5, the Government Accountability Office (GAO) released a report examining how vertical integration among Medicare Part D plan sponsors, PBMs, and pharmacies affects prescription drug utilization, payments, and beneficiary costs. GAO analyzed 2023 Medicare Part D data for four large, vertically integrated plan sponsors, including Express Scripts, and found that payments and cost […]
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October 29, 2026
