How Verifiable Connectedness Solves Healthcare’s Trust Problem

By Mark Scrimshire, Chief Interoperability Officer, Onyx In a recent article on Healthcare IT Today, I described the missing trust layer in CMS-0057 compliance. The problem is clear: payers and providers need to establish thousands of new API connections, but current trust establishment methods—spreadsheets, attestation forms, manual verification calls—don’t scale. Today I want to explain how we solve this: by making connectedness […]
Provider Directories, Interoperability, and What Medicaid & MA Plans Can Learn from Real-World Connectivity: A Conversation with Defacto Health

By Mark Scrimshire, Chief Interoperability Officer, Onyx Accurate, accessible provider directory data sits at the foundation of almost every function in our healthcare system: member access, network adequacy oversight, referral management, prior authorization automation, and CMS-driven transparency initiatives. As CMS pushes toward nationwide standardization — including the forthcoming National Provider Directory — Medicaid and Medicare Advantage plans […]
Spotlight on PTAC: Strengthening the Data Foundation Needed for True Patient Empowerment
A National Focus on Patient and Data Empowerment The Physician-Focused Payment Model Technical Advisory Committee (PTAC) centered the agenda of its recent public meeting on a unifying theme: how data and health IT can transparently empower consumers and better support providers. PTAC’s role as an advisory body to HHS positions it uniquely to surface the structural challenges preventing patients from fully benefiting from digital tools, coordinated […]
What WEDI’s Latest CMS-0057 Survey Really Tells Us About Industry Readiness

By Mark Scrimshire, Chief Interoperability Officer, Onyx WEDI’s newest CMS-0057 survey (Nov 2025) provides an important snapshot of where payers and providers stand as the industry prepares for the January 2026 and January 2027 milestones. The results show that progress is underway, but they also reveal places where uncertainty about scope and sequencing is slowing planning. Across the […]
FHIR R4 to R6 Transition

By Mark Scrimshire, Chief Interoperability Officer, Onyx; Co-Chair, HL7 Financial Management Work Group; active contributor to WEDI The FHIR community is buzzing about the upcoming FHIR R6 release — and with good reason. It’s a major milestone that’s already generating thoughtful discussion across the industry, including a recent post by Darren Devitt who offered an excellent […]
Thoughts on CMS’ Moves to Modernize the Nation’s Digital Health Ecosystem
John Moore III published a post on LinkedIn where he commented on CMS’s moves to modernize the digital health ecosystem. You can find the post here: https://www.linkedin.com/posts/johnmoore3_cms-is-working-to-advance-health-technology-activity-7336779570106310656-N7VE/?utm_source=share&utm_medium=member_desktop&rcm=ACoAAAABGJoB1Za9PMjaa4O61h0nEu4nUfoq4p8 I wanted to comment on his post, but LinkedIn limits the size of a response, hence posting my response here. National Directory I am in complete agreement that […]
How OnyxOS and HL7 FHIR Standards Enable Payers and Providers to Meet Price Transparency Mandates

The healthcare industry is being pushed towards greater transparency, and a new driver of this change is the Presidential Executive Order Empowering Patients through Radical Price Transparency. Onyx can help.
HLTH is just around the corner

HLTH 2023 is upon us (October 8-11). Let’s meet! There is so much to talk about with the acceleration of the adoption of FHIR for Interoperability.
Interoperability – Mandates and Beyond

Interoperability – Mandates and Beyond: What You need to Know and what you can do now to be prepared.
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 […]