What does CMS-0057-F require?
It requires impacted payers to implement Patient Access prior authorization data, a Provider Access API, a Payer-to-Payer API, and a Prior Authorization API by January 1, 2027, and it imposed operational prior authorization provisions — decision timeframes, specific denial reasons, and annual public metric reporting — from January 1, 2026. Exact applicability varies by payer type.
