MedicaidAdministrativeMedium impact
Addendum to Implementation Date Delay Regarding National Provider Identifier (NPI) and Implementation for the Pay-To Provider (Payee)
Illinois Medicaid - HFS·IL·Provider Notice
Effective date
Feb 26, 2009
We identified it
Jun 21, 2026
Summary
The mandatory reporting of National Provider Identifier (NPI) for Pay-To Provider (Payee) on claims has been delayed indefinitely. Providers should continue using the existing 1-digit payee code when submitting claims to HFS until further notice.
Action Required
Continue using current 1-digit payee code system when submitting claims to HFS. Do not implement NPI reporting for Pay-To Provider field until new implementation dates are announced. Monitor for future notifications regarding revised implementation timeline.