Illinois

Illinois Medicaid Audit Reports

Review Medicaid audit findings, recommendations, and oversight activity for Illinois. Use this page to jump into report summaries or continue exploring the full library.

Indexed Reports

3

Latest Publication

July 16, 2025

Recent Reports

IL
2025

Performance Audit of Medicaid Eligibility Determinations for Long-Term Care

Office of the Auditor General (Illinois)
Published 2025

The audit identified significant delays, data inaccuracies, and reporting deficiencies in Illinois' Medicaid long-term care eligibility process. While some system enhancements have been implemented, i...

IL
2025

Performance Audit of the Health Benefits for Immigrant Seniors and Adults

Office of the Auditor General (Illinois)
Published 2025

The audit revealed significant discrepancies between estimated and actual enrollment and costs, issues with data accuracy and eligibility verification, and the need for improved controls to prevent in...

IL
2018

Performance Audit of Medicaid Managed Care Organizations for Fiscal Year 2016

Office of the Auditor General (Illinois)
Published 2018

HFS failed to maintain complete and accurate data to monitor payments to and from MCOs, leading to potential overpayments, duplicate payments, and lack of oversight on costs and claims processing.