California Did Not Report and Return All Medicaid Overpayments for the State’s Medicaid Fraud Control Unit Cases
Learn how the AI-generated research projects were createdOverall Conclusion
California did not report and return all Medicaid overpayments identified by its Medicaid Fraud Control Unit; these unreported amounts totaling hundreds of millions of dollars indicate deficiencies in reporting and coordination with the MFCU, requiring action to report and return the Federal share and to implement stronger policies and procedures for timely and accurate reporting.
Source Document
Audit Scope
Federal fiscal year 2023; assessment of whether California reported and returned the Federal share of Medicaid overpayments identified by its Medicaid Fraud Control Unit during that year.
Key Findings Summary
California should have reported MFCU-determined Medicaid overpayments totaling $231.2 million ($99.3 million Federal share) for 26 cases during the audit period.
California did not report and return MFCU-determined Medicaid overpayments related to paid claim amounts for 14 cases, totaling $113.3 million ($47.8 million Federal share), on Form CMS-64.
California did not report and return $27,515 ($11,006 Federal share) in MFCU-determined Medicaid overpayments for one court-ordered award in its Form CMS-64.
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AI-Assisted
AI-Generated Insight
The OIG’s audit identifies significant gaps in California’s reporting and reconciliation of Medicaid overpayments, highlighting the need for stronger interagency coordination with the MFCU and formalized policies to ensure Federal funds are properly returned and reported in compliance with CMS requirements.
Audit Objectives
Determine whether California reported and returned the correct Federal share of Medicaid overpayments identified by its Medicaid Fraud Control Unit during Federal fiscal year 2023.
Audit Findings (4)
California should have reported MFCU-determined Medicaid overpayments totaling $231.2 million ($99.3 million Federal share) for 26 cases during the audit period.
California did not report and return MFCU-determined Medicaid overpayments related to paid claim amounts for 14 cases, totaling $113.3 million ($47.8 million Federal share), on Form CMS-64.
California did not report and return $27,515 ($11,006 Federal share) in MFCU-determined Medicaid overpayments for one court-ordered award in its Form CMS-64.
California did not report and return $74.9 million ($32.1 million Federal share) for 14 cases within the required timeframe.
Recommendations (4)
Return the Federal share of Medicaid overpayments for the 14 unreported cases identified in this report that total $113,269,575 ($47,769,205 Federal share) and the court-ordered award of $27,515 ($11,006 Federal share).
Improve coordination with the Medicaid Fraud Control Unit and develop policies and procedures to facilitate timely and accurate reporting.
Work with the MFCU to revise the current notification timeline in the MOU to facilitate timely notification of final judgments to meet Federal requirements.
Develop written policies and procedures to facilitate (1) timely and complete reporting of all identified overpayments, regardless of payment status and (2) accurate calculation of the Federal and State shares of overpayments in accordance with Federal requirements.