NPIs: You Could Be Missing Warnings Of Incorrect NPI/Legacy Number Combos

Article Overview

This article explains Medicare billing concerns related to mismatched National Provider Identifiers and legacy numbers, including how claim-processing edits and clearinghouse handling may affect physician and hospital claims. It is relevant for billing staff, practice managers, and revenue cycle teams that need to monitor Medicare enrollment and claim submission requirements. The article also touches on related situations involving referring physicians, foreign physicians, residents, self-referred patients, and older rebilled claims.