--- title: CMS Compliance Readiness Guide | Onyx description: "A practical readiness guide for health plans: what CMS-0057-F and the next wave of CMS interoperability mandates require, and where your compliance work carries forward." --- [Skip to content](https://info.onyxhealth.io/cms-compliance-readiness-guide#main-content) ![](https://info.onyxhealth.io/hubfs/Onyx%20Logo%20White.svg)Homepage - [Default HubSpot Blog](https://onyxhealth-8504347.hs-sites.com/blog?hsLang=en) Get started - [Default HubSpot Blog](https://onyxhealth-8504347.hs-sites.com/blog?hsLang=en) Get started [![Onyx](https://info.onyxhealth.io/hubfs/onyx-logo-white%202.svg)](https://onyxhealth.io/?hsLang=en)[Contact Us](https://onyxhealth.io/contact/?hsLang=en) CMS Compliance Readiness Guide # CMS-0057-F is the deadline in front of you. The next wave is already taking shape. Claims attachments, drug prior authorization, and Medicare Plan Finder all draw on many of the same underlying capabilities. This guide maps what each requires—and where the work you do for CMS-0057 can carry forward. [Get the guide →](https://info.onyxhealth.io/cms-compliance-readiness-guide#guide-form) About the guide ## What it covers What each mandate requires, how to tell whether an implementation is genuinely production-ready, and where health plans should focus now. Includes an eight-domain readiness framework, common implementation gaps that can delay production readiness, and a practical view of the capabilities that can carry forward across CMS requirements. ![Onyx](https://info.onyxhealth.io/hubfs/onyx-logo-white%202.svg)August 2026 · Edition CMS Compliance Readiness Guide CMS-0057-F and the next wave of healthcare data mandates An executive field guide to January 2027 readiness, the mandates that follow, and the broader value of connected healthcare data. CMS-0057-FCMS-0062-PCMS-0053-FMedicare Plan Finder Provider Directory Contents ## Inside the guide 01The mandate landscape 02Why CMS-0057-F comes first 03What production readiness means 04The four CMS-0057 APIs 05Where implementations fail 06The broader mandate wave 07What the foundation can support 08What health plans should do now Download ## Get the guide Complete and submit for access to a downloadable PDF. If the guide does not open immediately, you will receive an email with a direct link. Onyx will use your details to send the guide and related updates. See our [privacy policy](https://onyxhealth.io/privacy-policy-2/?hsLang=en). © 2026 Onyx Technology, LLCFHIR® is the registered trademark of HL7 and is used with the permission of HL7. [![](https://info.onyxhealth.io/hubfs/Onyx%20Logo%20White.svg)](http://onyxhealth.io?hsLang=en) - [Default HubSpot Blog](https://onyxhealth-8504347.hs-sites.com/blog?hsLang=en) --- Privacy Policy · Legal · © 2026 Onyx Technology. All rights reserved.