Change Healthcare

Change Healthcare (now part of Optum/UnitedHealth Group) is an incredibly massive, heavily entrenched global clearinghouse that mathematically forms the absolute backbone of the US healthcare payment system. It processes billions of transactions. It is the absolute weapon of choice for massive health plans and mega-providers who mathematically require a military-grade, hyper-secure network to route claims, verify eligibility, and process massive electronic remittance advice (ERA) files.