Medigap: New IDs required; CMS: Carriers use new IDs to route Medigap claims

Article Overview

This article explains CMS changes to Medigap claim crossover routing and the introduction of a new identifier system used by carriers and coordination-of-benefits contractors. It is relevant to billing staff, claims processors, and revenue cycle teams who work with Medicare secondary payer workflows, CMS forms, and electronic claim submissions. The article also discusses where the new identifiers are maintained and how providers should locate the correct plan information before submitting claims.