Public audit ledger

Medicaid audit reports

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Evidence register

188 reports

Published
Aug 27, 2026
Jurisdiction
Ohio
Publishing agency
Ohio Auditor of State
Report ID
REPORT 192

Public Interest Report

This Public Interest Report, released August 27, 2026, concerns the Ohio Public Benefit Programs with a reporting period of November 1–30, 2025. The provided text lacks explicit audit objectives, findings, or conclusions, suggesting that the accessible excerpt may be a portal…

Findings
0
Recommendations
0
Open evidence record
Source status
Original source
Published
Aug 27, 2026
Jurisdiction
Ohio
Publishing agency
Ohio Auditor of State
Report ID
REPORT 185

Public Interest Audit Identifies 10% of Sampled Medicaid Recipients Could Not Have Citizenship or Immigration Status Confirmed

The public interest audit identifies gaps in eligibility verification within Medicaid, with 10% of sampled recipients lacking verified citizenship, suggesting the need for standardized processes and better interagency data sharing; other programs performed better.

Findings
2
Recommendations
2
Open evidence record
Source status
Original source
Published
Aug 24, 2026
Jurisdiction
Nebraska
Publishing agency
Nebraska Auditor of Public Accounts
Report ID
REPORT 181

Attestation Report of the Nebraska Department of Health and Human Services Medicaid Aged and Disabled Waiver Payments

The audit identified significant deficiencies in internal controls over AD Waiver payments, EVV verification, and related processes, resulting in observable overpayments and the risk of continued improper payments. The Department has implemented some corrective controls (e.g.,…

Findings
5
Recommendations
9
Open evidence record
Source status
Library record
Published
Aug 13, 2026
Jurisdiction
Kansas
Publishing agency
Office of Inspector General, U.S. Department of Health and Human Services
Report ID
REPORT 177

Kansas Did Not Ensure That Its Medicaid Managed Care Organizations Complied With Mental Health and Substance Use Disorder Parity Requirements Related to Prior Authorization

Kansas did not ensure that its Medicaid MCOs complied with MH/SUD parity requirements related to prior authorization for MH/SUD services for calendar year 2023, and deficiencies in parity analyses, data quality, and state oversight indicate potential barriers to access for MH/…

Findings
4
Recommendations
3
Open evidence record
Source status
Original source
Published
Aug 13, 2026
Jurisdiction
New York
Publishing agency
U.S. Department of Health and Human Services Office of Inspector General
Report ID
REPORT 176

New York Did Not Ensure That Selected Medicaid Managed Care Organizations Complied With Mental Health and Substance Use Disorder Parity Requirements Related to Prior Authorization

New York did not ensure that all three selected Medicaid managed care organizations complied with MH/SUD parity requirements related to prior authorization.

Findings
3
Recommendations
2
Open evidence record
Source status
Original source
Published
Jul 2026
Jurisdiction
Arizona
Publishing agency
Centers for Medicare and Medicaid Services
Report ID
REPORT 169

Arizona Medicaid Managed Care Medical Loss Ratio Audit

While the audit identified areas for improvement in reporting consistency and oversight, Arizona’s Medicaid Managed Care Plans demonstrated MLR performance above the federal minimum threshold during the audit period. Implementing the recommendations will improve data integrity…

Findings
8
Recommendations
10
Open evidence record
Source status
Original source
Published
Jul 16, 2026
Jurisdiction
New York
Publishing agency
Office of the New York State Comptroller Division of State Government Accountability
Report ID
REPORT 173

Medicaid Program – Improper Payments for Laboratory and Related Services

DOH did not provide adequate guidance to providers and MCOs, nor did it effectively monitor fee-for-service and managed care claims to ensure Medicaid paid only for necessary laboratory services. Weaknesses in DOH’s eMedNY system edits allowed improper fee-for-service laborato…

Findings
1
Recommendations
8
Open evidence record
Source status
Original source
Published
Jul 15, 2026
Jurisdiction
Illinois
Publishing agency
Sikich CPA LLC
Report ID
REPORT 179

State Compliance Examination For The Two Years Ended June 30, 2025

In our opinion, except for the material noncompliance with the specified requirements described in the accompanying Schedule of Findings as items 2025-001 and 2025-002, the Department complied with the specified requirements during the two years ended June 30, 2025, in all mat…

Findings
13
Recommendations
13
Open evidence record
Source status
Original source
Published
Jun 2026
Jurisdiction
Federal
Publishing agency
U.S. Department of Health and Human Services Office of Inspector General
Report ID
REPORT 160

CMS Should Improve Its Policies and Procedures for the Oversight of States’ Reported Medicaid Expenditures to Better Protect the Financial Integrity of the Medicaid Program

CMS did not consistently follow its policies and procedures for overseeing States’ CMS-64 expenditures and its processes for deferred payments and disallowed expenditures require improvements to protect Medicaid financial integrity.

Findings
3
Recommendations
4
Open evidence record
Source status
Original source
Published
Jun 2026
Jurisdiction
Federal
Publishing agency
U.S. Department of Health and Human Services, Office of Inspector General
Report ID
REPORT 163

Inaccurate Medicaid Managed Care Network Lists May Compromise State Oversight of Access to Maternal Health Care

We found that the network lists from Centene, Elevance, and UnitedHealthcare Medicaid plans in five States contained inaccuracies—potential ghost providers who reported not being in-network, incorrect contact information, and discrepancies with online provider directories—that…

Findings
3
Recommendations
2
Open evidence record
Source status
Original source
Published
Jun 2026
Jurisdiction
North Dakota
Publishing agency
U.S. Department of Health and Human Services Office of Inspector General
Report ID
REPORT 165

North Dakota Could Better Ensure That Providers Fully Comply With Federal Waiver and State Health, Safety, and Administrative Requirements at 44 Residential Settings

The North Dakota State agency could improve oversight of residential providers and settings to better ensure the health and safety of participants with intellectual and developmental disabilities residing in residential habilitation settings; weaknesses in the quality manageme…

Findings
7
Recommendations
3
Open evidence record
Source status
Original source
Published
Jun 2026
Jurisdiction
California
Publishing agency
U.S. Department of Health and Human Services Office of Inspector General
Report ID
REPORT 162

California's Medicaid Reimbursements for Clinical Diagnostic Laboratory Services

The State agency did not always claim Federal Medicaid reimbursement for clinical diagnostic laboratory services in accordance with Federal and State requirements, resulting in overpayments totaling $13.9 million (Federal share) and potentially $29.3 million (Federal share not…

Findings
4
Recommendations
4
Open evidence record
Source status
Original source
Published
Jun 2026
Jurisdiction
Pennsylvania
Publishing agency
Office of Inspector General, U.S. Department of Health and Human Services
Report ID
REPORT 161

Medicaid Managed Care Behavioral Health Service Denials in Philadelphia by Community Behavioral Health

CBH did not comply with Federal and State requirements for denying prior-authorization behavioral health services; none of the 100 sampled denials complied with all applicable requirements, indicating potential systemic issues in denials and potential impact on enrollee rights.

Findings
5
Recommendations
6
Open evidence record
Source status
Original source
Published
Jun 2026
Jurisdiction
Federal
Publishing agency
Office of Inspector General, U.S. Department of Health and Human Services
Report ID
REPORT 164

Inaccurate Medicaid Managed Care Provider Directories May Limit Enrollees’ Access to Maternal Health Care

Online provider directories of Centene, Elevance, and UnitedHealthcare Medicaid plans in five States contained inaccuracies (ghost providers, missing in-network providers, and incorrect contact information) that may impede enrollees' access to maternal health care and distort…

Findings
4
Recommendations
2
Open evidence record
Source status
Original source
Published
Jun 4, 2026
Jurisdiction
New York
Publishing agency
Office of the New York State Comptroller, Division of State Government Accountability
Report ID
REPORT 174

Oversight of Services for Medicaid Members Enrolled in Clinical Trials

DOH did not always receive attestation forms prior to members participating in clinical trials, and a limited number of improper Medicaid payments related to investigational services or services not covered by the member’s MCO or lacking prior authorization were identified. DO…

Findings
4
Recommendations
3
Open evidence record
Source status
Original source
Published
Jun 3, 2026
Jurisdiction
Ohio
Publishing agency
Medicaid Contract Audit, Ohio Auditor of State
Report ID
REPORT 186

Independent Auditor’s Report on Compliance with Requirements of the Medicaid Program

Disclaimer of Opinion due to limitation on the scope of the examination; the scope was not sufficient to express an opinion on CarePlus’ compliance with the specified Medicaid requirements for the period January 1, 2021 through December 31, 2023.

Findings
4
Recommendations
7
Open evidence record
Source status
Library record
Published
May 21, 2026
Jurisdiction
Georgia
Publishing agency
Myers and Stauffer LC
Report ID
REPORT 170

Comparison of Georgia Care Management Organization Encounter Data to Cash Disbursements for Amerigroup Community Care

The engagement is framed as a consulting study not an audit, with findings indicating that most reconciliation totals align closely to CDJs while highlighting notable data quality issues that affect GF 360 completion percentages and several delegated vendor categories. While s…

Findings
6
Recommendations
8
Open evidence record
Source status
Original source
Published
May 13, 2026
Jurisdiction
Ohio
Publishing agency
Ohio Auditor of State
Report ID
REPORT 189

Independent Auditor’s Report On Compliance With Requirements Of The Medicaid Program

In our opinion, except for the effects of the matters described in the Basis for Qualified Opinion paragraph, New Destiny has complied, in all material respects, with the select requirements of behavioral health services for the period of January 1, 2021 through December 31, 2…

Findings
8
Recommendations
4
Open evidence record
Source status
Library record
Published
Mar 2026
Jurisdiction
Michigan
Publishing agency
U.S. Department of Health and Human Services Office of Inspector General
Report ID
REPORT 158

Selected Diabetes and Weight Loss Drugs Were Dispensed to Michigan Medicaid Managed Care Enrollees in Accordance With Federal and State Requirements

Because the State agency ensured, for the sample items we reviewed, that the MCOs followed all outpatient prescription drug coverage and utilization requirements that were in place during our audit period, including prior authorizations and quantity limits, this report contain…

Findings
2
Recommendations
1
Open evidence record
Source status
Original source
Published
Mar 2026
Jurisdiction
Federal
Publishing agency
Office of Inspector General, U.S. Department of Health and Human Services
Report ID
REPORT 159

Medicaid Managed Care Behavioral Health Services Denials in Louisiana

Because LHCC revised its internal policy during our audit period to ensure that written notices of adverse determinations were sent to enrollees regardless of the enrollees' inpatient status, and because we did not identify any additional concerns after the effective date of t…

Findings
5
Recommendations
0
Open evidence record
Source status
Original source
Published
Mar 25, 2026
Jurisdiction
Hawaii
Publishing agency
Accuity LLP
Report ID
REPORT 184

Financial and Compliance Audit

In our opinion, the financial statements referred to above present fairly, in all material respects, the respective financial position of the governmental activities, each major fund, and the aggregate remaining fund information of the Department, as of June 30, 2025, and the…

Findings
0
Recommendations
0
Open evidence record
Source status
Original source
Published
Mar 17, 2026
Jurisdiction
Minnesota
Publishing agency
Office of the Legislative Auditor, Minnesota
Report ID
REPORT 130

Department of Human Services Investigations of Alleged Kickbacks in the Early Intensive Developmental and Behavioral Intervention Program

DHS has long-standing authority to impose sanctions for kickbacks under federal SSA provisions and state law; however, a decades-old error in DHS's administrative rules defining fraud and ambiguous suspension authority limited action on kickbacks alone. The 2025 legislative ch…

Findings
8
Recommendations
3
Open evidence record
Source status
Original source