Public facts
In the CY 2027 Physician Fee Schedule proposed rule, CMS proposes that 340B covered entities submit certain claim-level data for covered Part D drugs billed to Medicare Part D and dispensed by the entity or its contract pharmacies for dates of service on or after January 1, 2027.
CMS links the proposed data collection to administration of the Medicare Prescription Drug Inflation Rebate Program.
CMS's inflation-rebate program page identifies the July 2026 proposed rulemaking and a September 14, 2026 comment deadline.