Inside the Onyx CMS-0057 Playbooks
From Mandate to Measurable Value The Interoperability and Prior Authorization Final Rule CMS-0057 is reshaping how payers, providers, and patients exchange health data. It builds on CMS-9115 with expanded use cases, bi-directional APIs, and higher expectations across four tracks: Payer-to-Payer, Provider Access, Patient Access, and electronic Prior Authorization (ePA). Most provisions must be live by […]
Better Data = Better Care
We’re All In. A CMS-Aligned Network Yesterday’s announcement from The White House, U.S. Department of Health and Human Services (HHS) and Centers for Medicare & Medicaid Services is a clear call to action: build health tech that actually works for the people who use it. At Onyx, we’re all in, guided by our purpose of […]
Onyx Health at the CMS July 2025 Connectathon: Demonstrating Real-World Readiness for CMS-0057
This week CMS held its sixth Connectathon, a three-day virtual event with 1,500 registered attendees. The Onyx team was there demonstrating OnyxOS and the capabilities that enable payers and providers to support the requirements of the CMS Prior Authorization regulation (CMS-0057).
What’s the difference between “Patient Access API” and “Provider Access API”?
The latest Proposed rule from CMS addressing Prior Authorization (December 13, 2022) also expands the Patient Access API and adds a Provider API. Provider Access API and Patient Access API are two types of application programming interfaces (APIs) that allow different types of users to access member health information. Both are based on HL7 Fast […]