Onyx

IT Services and IT ConsultingKansas, United States201-500 Employees

Onyx helps health plans turn interoperable clinical data into operational advantage.
We started with a straightforward belief: standards-based data exchange only matters when the clinical data flowing through those pipes is complete, current, and usable across real workflows. Too many organizations have stood up APIs only to find the data isn't actionable—incomplete records, outdated information, or formats their teams can't work with.
Onyx delivers FHIR-native, modular solutions that solve both sides of the equation: efficient data acquisition and reliable operational use. Our platform supports electronic prior authorization, utilization management, quality measurement, and risk adjustment—helping health plans reduce manual burden, lower chart acquisition costs by 40–60%, and move beyond compliance checkboxes.
Recognized as Best in KLAS® for CMS Payer Interoperability, Onyx serves as the CMS interoperability platform for health plans covering nearly one in six Americans. Our technology is built for production scale, with secure, modern architecture designed to handle millions of transactions while staying ahead of evolving regulatory requirements.
With the recent addition of InteropX, we've strengthened our ability to execute where it matters most. InteropX brings proven delivery expertise, AI-powered clinical data intelligence, and a track record of operationalizing interoperability inside complex payer environments. Together, we offer one of the industry's most comprehensive platforms for turning standards into working systems—combining APIs, implementation know-how, and the infrastructure required to make prior authorization and clinical data exchange work reliably at scale.
Onyx also plays an active role in shaping industry direction. Our team contributes to HL7® standards, CMS implementation guides, and national policy initiatives. Our technology supports landmark deployments including Blue Button 2.0.
The goal isn't just compliance. It's making healthc

Sign up for free to view info

Email Format Employee directory