MedicaidAdministrativeMedium impact
Additional Fax Line for Prior Approval Information
Illinois Medicaid - HFS·IL · Occupational Therapy, Physical Therapy, Speech Therapy +1 more·Provider Notice
Effective date
Jul 29, 2013
We identified it
Jun 20, 2026
Summary
Illinois Medicaid has established a new dedicated fax line (217-558-4359) specifically for submitting additional information on existing prior approval requests. Providers must continue using the original fax line (217-524-0099) for new and renewal prior approval requests.
Action Required
Immediately: Update prior authorization workflow procedures to use the correct fax lines - continue using 217-524-0099 for NEW and RENEWAL prior approval requests, and use the new fax line 217-558-4359 ONLY when submitting additional information for existing requests. Train staff on proper fax line usage to avoid returned documentation and processing delays.