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Onyx Technology Launches Website for Comprehensive Understanding of CMS Payer-to-Payer Interoperability Mandate

·3-min read provides detailed education for Payer-to-Payer Data Exchange (PDex)

ELKRIDGE, Md., September 23, 2021--(BUSINESS WIRE)--Onyx Technology, LLC today announced the launch of, a website providing a comprehensive education and analysis of the CMS Payer-to-Payer mandate and a detailed explanation of the Payer-to-Payer Data Exchange (PDex) requirements allowing patients access to their health records as they move between payers.

The new Centers for Medicare & Medicaid Services (CMS) interoperability mandates for health plans (CMS Interoperability and Patient Access Rule) became mandatory July 1, 2021, with the goal of improving patients access to their personal health data, benefits, and provider network information. The next phase of the mandate is to enable Payer-to-Payer Data Exchange (PDex), empowering health plans to share beneficiaries’ health information as patients move between plans. is led by Onyx’s Chief Interoperability Officer and CMS Blue Button Innovator, Mark Scrimshire who is the co-chair of the HL7 Payer Data Exchange Workgroup and author of the Da Vinci Payer Data Exchange Implementation Guide (IG).

"Mark has been instrumental in defining the Implementation Guide for the payer-to-payer data exchange (PDex) and this makes the site uniquely valuable for the industry," said Susheel Ladwa, Onyx’s CEO. "At Onyx we have been fielding many questions about what payer-to-payer is, how to meet the mandate, how to implement it, and so on. To answer all these queries, we are glad to announce the launch of as an industry resource to help understand the CMS mandate and the best ways to implement it. The site also allows clients to get in touch with us directly for support." seeks to provide a one-stop information resource for payers seeking to be compliant with the CMS Regulations for the Payer-to-Payer data exchange. The website’s FAQ Section answers questions about the implementation requirements for the regulation. Further, its Specification for Payers section provides Payers/Health Plans with the HL7 Da Vinci Payer Data Exchange (PDex) Implementation Guide, enabling payers to create a Member’s Health History using clinical resources (using US Core Profiles based on FHIR R4). The site will continue to add content, making it a necessary resource in today’s interoperability marketplace.

About Onyx Technology LLC

Onyx Technology, LLC is a healthcare interoperability solutions provider. Onyx, a NewWave company, emerged from work with CMS in establishing the nation’s first nationwide FHIR-based API, Blue Button 2.0. Building on this experience and expertise, Onyx has partnered with Microsoft to build the industry’s leading platform for FHIR-based interoperable exchange. Focused on standards based, interoperable technologies that ensure security, privacy, and the delivery of the right information to the right place at the right time, Onyx is an expert in enabling customers to garner the greatest value from their participation in the healthcare eco-system of tomorrow. For more information, please visit

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Michael Corbin

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