Onyx acquires InteropX

The CMS Medicare Plan Finder Is Coming for Your Provider Directory API — Are You Ready?

“If your provider directory API isn’t compliant and performant, your plan simply won’t show up in Medicare Plan Finder

By Mark Scrimshire, Chief Interoperability Officer, Onyx The days of static provider directories are numbered. CMS is building a National Provider Directory powered by FHIR-based APIs, and starting October 1, 2026, the Medicare Plan Finder will begin ingesting provider and facility data directly from Medicare Advantage plans’ publicly accessible Plan-Net APIs. If your API isn’t […]

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 […]