CMS Releases 340B Part D Claims Repository Guidance Ahead of October Launch
CMS issued a fact sheet and FAQs on the 340B Part D claims data repository launching October 1, 2026. Data submissions will be voluntary for 340B hospitals initially, but CMS has proposed making them mandatory beginning in 2027. The guidance provides operational details on repository structure, submission requirements, and timelines. The repository aims to improve transparency around 340B drug claims in Medicare Part D, affecting hospitals participating in the 340B program and their Part D relationships.
Medicaid managed care plans operating dual-eligible special needs plans or coordinating with Medicare Part D will need to understand 340B claims tracking as hospitals prepare for mandatory reporting in 2027, which may affect drug pricing arrangements and dispute resolution.
Pharmacy · Managed Care
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