Medicare Part D

Part D Premium Stabilization Demonstration shown as aligned data streams separating into multiple 2027 pathways.

Medicare Part D

CMS Ends Part D Premium Stabilization Demonstration After 2026

CMS is ending the Part D Premium Stabilization Demonstration after 2026. Here is what the evidence establishes about prior premium reductions, federal costs, CMS’s rationale, and the unresolved 2027 effects.

Abstract Medicare Part D payment traceability visual with layered data pathways and oversight grids.

Healthcare compliance

Medicare Part D Payment Data Gap: What HHS OIG Could Not Trace

HHS OIG found similar net drug costs for selected Medicare Part D drugs, but different payment paths and incomplete pharmacy-level DIR traceability.

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