Medicare AdvantageAdministrativeHigh impact
Important Updates on the Medicare Medicaid Alignment Initiative (MMAI) transition to Dual Eligible Special Needs Plan (D-SNP)
Illinois Medicaid - HFS·IL·Provider Notice
Effective date
Jan 1, 2026
We identified it
Jun 20, 2026
Summary
Illinois is transitioning from MMAI to FIDE SNP plans effective January 1, 2026, requiring new member verification processes. Billing teams must verify patient enrollment using new contract numbers and health plan portals since state systems are still being updated.
Action Required
By January 1, 2026: Billing and front desk staff must implement new patient verification process for dual-eligible members. Request member ID cards at service time and verify enrollment using health plan portals or contract numbers: Aetna (H9771001), Humana (H4329001), Molina (H3093001-H3093005 by region), Wellcare Meridian (H6971001). Use MEDI portal with these contract numbers until systems are fully updated. Extended call center hours available through March 31, 2026 for verification assistance.