MedicaidAdministrativeMedium impact
Addendum to the 12-13-06 - NPI Notice
Illinois Medicaid - HFS·IL·Provider Notice
Effective date
May 23, 2007
We identified it
Jun 21, 2026
Summary
This policy clarifies that starting May 23, 2007, only billing providers are required to report NPIs on claims - payees are not required to submit NPIs and should continue using 1-digit payee codes instead.
Action Required
By May 23, 2007: Billing team must ensure billing system reports NPIs only for billing providers, not payees. Continue using 1-digit payee codes to designate appropriate payees. Update billing workflows and staff training to reflect this NPI reporting requirement distinction.