Public audit ledger

Medicaid audit reports

Search the complete report library and verify each record against its publishing agency and original public source.

Evidence register

53 reports

Published
Feb 2026
Scope
Single jurisdiction
Source authority
Federal
Publishing agency
U.S. Department of Health and Human Services, Office of Inspector General
Source record
Original document linked
Examines
West Virginia

West Virginia Medicaid Managed-Care Rebates Associated With Physician-Administered Drugs

The Office of Inspector General found that West Virginia did not invoice manufacturers for some rebates due on physician-administered drugs dispensed to enrollees of Medicaid managed-care organizations during the audit period, totaling $8.2 million ($6.1 million Federal share)…

Findings
3
Recommendations
2
Open evidence record
Source status
Original source
Published
Feb 2026
Scope
Single jurisdiction
Source authority
Federal
Publishing agency
U.S. Department of Health and Human Services, Office of Inspector General
Source record
Original document linked
Examines
Missouri

Missouri Medicaid Rebates for Physician-Administered and Pharmacy Drugs

Although the State agency improved its controls over invoicing for rebates for physician-administered drugs, during our audit period the State agency did not comply with Federal Medicaid requirements for invoicing manufacturers for rebates for some physician-administered and p…

Findings
6
Recommendations
6
Open evidence record
Source status
Original source
Published
Jan 2026
Scope
Single jurisdiction
Source authority
Federal
Publishing agency
U.S. Department of Health and Human Services, Office of Inspector General
Source record
Original document linked
Examines
Maine

Maine Made at Least $45.6 Million in Improper Fee-for-Service Medicaid Payments for Rehabilitative and Community Support Services Provided to Children Diagnosed With Autism

For our audit period, the Maine Department of Health and Human Services’s FFS Medicaid payments for rehabilitative and community support services provided to children diagnosed with autism included improper and potentially improper payments. Improper payments totaled at least…

Findings
7
Recommendations
4
Open evidence record
Source status
Original source
Published
Dec 2025
Scope
Single jurisdiction
Source authority
Federal
Publishing agency
U.S. Department of Health and Human Services, Office of Inspector General
Source record
Original document linked
Examines
Illinois

Illinois Medicaid Managed Care Capitation Payments for Incarcerated Enrollees

The audit determined that Illinois made unallowable managed care capitation payments for incarcerated enrollees during the audit period, totaling at least $9.5 million with $8.3 million Federal share, and identified failures to terminate enrollment as required. Recovered findi…

Findings
3
Recommendations
2
Open evidence record
Source status
Original source
Published
Dec 2025
Scope
National
Source authority
Federal
Publishing agency
U.S. Department of Health and Human Services, Office of Inspector General
Source record
Original document linked
Examines
National scope

Medicaid Agencies Made Millions in Unallowable Capitation Payments to Managed Care Organizations on Behalf of Deceased Enrollees

We estimate that Medicaid agencies made $207,501,380 ($138,645,710 Federal share) in unallowable capitation payments to MCOs for deceased enrollees during the audit period (July 1, 2021 – June 30, 2022).

Findings
4
Recommendations
2
Open evidence record
Source status
Original source
Published
Sep 2025
Scope
National
Source authority
Federal
Publishing agency
U.S. Department of Health and Human Services, Office of Inspector General
Source record
Original document linked
Examines
National scope

Most Children Enrolled in Medicaid Did Not Receive Timely Suicide-Related Followup Care

Timely followup care after pediatric suicidal thoughts or behaviors is not consistently achieved across states; about half of cases did not have a followup visit within 7 days and 21 percent had none within 60 days; shortages of behavioral health providers and difficulties con…

Findings
5
Recommendations
2
Open evidence record
Source status
Original source
Published
Sep 2025
Scope
Single jurisdiction
Source authority
Federal
Publishing agency
U.S. Department of Health and Human Services, Office of Inspector General
Source record
Original document linked
Examines
New Jersey

New Jersey Did Not Ensure That Some Medicaid Personal Care Assistant Services Provided Under the Personal Preference Program Met Federal and State Requirements

New Jersey did not ensure that the State agency adequately monitored and ensured compliance by its MCOs and fiscal intermediary with Federal and State requirements for PPP PCA services; as a result, the program was vulnerable to misuse of Federal funds and the health and safet…

Findings
5
Recommendations
2
Open evidence record
Source status
Original source
Published
Sep 2025
Scope
Single jurisdiction
Source authority
Federal
Publishing agency
U.S. Department of Health and Human Services, Office of Inspector General
Source record
Original document linked
Examines
Mississippi

Mississippi Did Not Report and Return All Medicaid Overpayments for the State’s Medicaid Fraud Control Unit Cases

The State agency did not report and return the Federal share of all MFCU-determined Medicaid overpayments identified for FYs 2021 through 2023. The audit identified underreporting across multiple categories, with 12 cases reported and returned (totaling $290,584) compared with…

Findings
5
Recommendations
5
Open evidence record
Source status
Original source
Published
Jul 2025
Scope
National
Source authority
Federal
Publishing agency
U.S. Department of Health and Human Services, Office of Inspector General
Source record
Original document linked
Examines
National scope

Analysis of Selected Nursing Facilities’ Use of Medicaid Reimbursement for Direct Care Compensation

The data brief concludes that there is no clear, positive correlation between higher direct care compensation and higher nursing hours per resident day (HPRD). Increases in direct care compensation are largely attributed to higher labor costs from contracting for nursing staff…

Findings
9
Recommendations
0
Open evidence record
Source status
Original source
Published
Jul 2025
Scope
Single jurisdiction
Source authority
Federal
Publishing agency
U.S. Department of Health and Human Services, Office of Inspector General
Source record
Original document linked
Examines
Wisconsin

Wisconsin’s Fee-for-Service Medicaid Payments for Applied Behavior Analysis

The Wisconsin Department of Health Services’ ForwardHealth program did not provide adequate oversight of FFS Medicaid ABA payments, resulting in improper and potentially improper payments for autism-related ABA services. The program had not conducted a statewide postpayment re…

Findings
12
Recommendations
6
Open evidence record
Source status
Original source
Published
Jul 2025
Scope
Single jurisdiction
Source authority
Federal
Publishing agency
U.S. Department of Health and Human Services, Office of Inspector General
Source record
Original document linked
Examines
Pennsylvania

Pennsylvania Capitation Payments for Enrollees With Multiple Medicaid Identification Numbers

The OIG concluded that Pennsylvania made unallowable capitation payments totaling at least $8,784,549 ($4,596,390 Federal share) for enrollees with multiple Medicaid ID numbers during the audit period (January 1, 2019 – December 31, 2022). The unallowable payments were caused…

Findings
3
Recommendations
5
Open evidence record
Source status
Original source
Published
May 2025
Scope
Single jurisdiction
Source authority
Federal
Publishing agency
U.S. Department of Health and Human Services, Office of Inspector General
Source record
Original document linked
Examines
Maryland

Maryland Did Not Comply With Federal Waiver and State Requirements at 20 Adult Day Care Facilities Audited

The Maryland Department of Health did not fully comply with Federal waiver and State requirements in overseeing adult day care facilities; 253 noncompliance instances were identified across health and safety and administrative areas, with inspections insufficient to detect vio…

Findings
1
Recommendations
3
Open evidence record
Source status
Original source
Published
Apr 2025
Scope
Single jurisdiction
Source authority
Federal
Publishing agency
U.S. Department of Health and Human Services, Office of Inspector General
Source record
Original document linked
Examines
Ohio

Audit Of Ohio Adult Day Health Care Services

The Ohio Department of Medicaid did not fully comply with Federal waiver and State requirements in overseeing providers serving adults in the ADS program; inspections were insufficient to ensure a continuously safe and nonhazardous environment, placing adults at risk.

Findings
1
Recommendations
1
Open evidence record
Source status
Original source
Published
Mar 2025
Scope
Single jurisdiction
Source authority
Federal
Publishing agency
U.S. Department of Health and Human Services, Office of Inspector General
Source record
Original document linked
Examines
North Carolina

North Carolina’s Medicaid Control Environment, Risk Management Practices, and Governing Processes Were Assessed as Moderate Risk

Overall, the audit determined that North Carolina's Medicaid control environment, risk management practices, and governing processes operate at a moderate risk level, with three risk areas rated high and three rated moderate; the State agency has implemented numerous controls…

Findings
7
Recommendations
11
Open evidence record
Source status
Original source
Published
Mar 2025
Scope
Single jurisdiction
Source authority
Federal
Publishing agency
U.S. Department of Health and Human Services, Office of Inspector General
Source record
Original document linked
Examines
Texas

Texas Did Not Fully Comply With Federal Waiver And State Health, Safety, And Administrative Requirements At All 20 Adult Day Activity And Health Service Facilities Audited

The State agency did not fully comply with Federal waiver and State requirements in overseeing DAHS facilities serving people with special health care needs, and its inspections were not sufficient to ensure a safe and nonhazardous environment, leaving program participants at…

Findings
8
Recommendations
3
Open evidence record
Source status
Original source
Published
Feb 2025
Scope
Single jurisdiction
Source authority
Federal
Publishing agency
U.S. Department of Health and Human Services, Office of Inspector General
Source record
Original document linked
Examines
Colorado

Colorado Made Capitation Payments to Managed Care Organizations After Enrollees’ Deaths

The audit found that Colorado made unallowable capitation payments to Medicaid managed care organizations for deceased enrollees, resulting in significant financial losses and reporting inaccuracies. The State agency lacked adequate controls and policies to prevent and recover…

Findings
0
Recommendations
0
Open evidence record
Source status
Original source
Published
Dec 2024
Scope
Multi-jurisdiction
Source authority
Federal
Publishing agency
U.S. Department of Health and Human Services, Office of Inspector General
Source record
Original document linked
Examines
13 jurisdictions · Alabama, California + 11 more

Twelve Selected States Did Not Accurately Calculate the Federal Share of Medicaid Collections Subject to the Increased COVID-19 Federal Medical Assistance Percentages

Twelve of the thirteen selected States did not accurately calculate the Federal share of Medicaid collections subject to the increased COVID-19 FMAP, resulting in net underreporting of $61.8 million. CMS concurred with all four recommendations and described actions to address…

Findings
5
Recommendations
4
Open evidence record
Source status
Original source
Published
Jul 2024
Scope
Single jurisdiction
Source authority
Federal
Publishing agency
U.S. Department of Health and Human Services, Office of Inspector General
Source record
Original document linked
Examines
California

California Payments for Enrollees With Concurrent Medicaid Enrollment in Another State

We estimated that the State agency incurred costs of approximately $19.9 million ($15.5 million Federal share) for August 2021 capitation payments made on behalf of enrollees who were residing and concurrently enrolled for Medicaid in another State. This amount represents pote…

Findings
5
Recommendations
2
Open evidence record
Source status
Original source
Published
Jun 2024
Scope
Single jurisdiction
Source authority
Federal
Publishing agency
U.S. Department of Health and Human Services, Office of Inspector General
Source record
Original document linked
Examines
North Carolina

North Carolina Did Not Report and Return All Medicaid Overpayments for the State's Medicaid Fraud Control Unit Cases

The State agency did not report and return the Federal share of all MFCU-determined Medicaid overpayments identified for the period under review (October 1, 2019 through September 30, 2021).

Findings
5
Recommendations
3
Open evidence record
Source status
Original source
Published
May 2024
Scope
Single jurisdiction
Source authority
Federal
Publishing agency
U.S. Department of Health and Human Services, Office of Inspector General
Source record
Original document linked
Examines
California

California Improperly Claimed $52.7 Million in Federal Medicaid Reimbursement for Capitation Payments Made on Behalf of Noncitizens With Unsatisfactory Immigration Status

California improperly claimed Federal Medicaid reimbursement for capitation payments to noncitizens with UIS by applying an outdated proxy percentage that did not reflect the true costs of nonemergency services; recommends refund and coordination with CMS to determine reimburs…

Findings
4
Recommendations
2
Open evidence record
Source status
Original source
Published
May 2024
Scope
Single jurisdiction
Source authority
Federal
Publishing agency
U.S. Department of Health and Human Services, Office of Inspector General
Source record
Original document linked
Examines
Colorado

Colorado's Program Integrity Section Reporting of Medicaid Overpayments

Colorado did not report and refund the correct Federal share of Medicaid overpayments identified by its Program Integrity Section during Oct 1, 2014 through Dec 31, 2020; 80 of 403 cases contained unreported or incorrectly reported amounts, with late reporting and misused feed…

Findings
6
Recommendations
5
Open evidence record
Source status
Original source
Published
Mar 2024
Scope
Multi-jurisdiction
Source authority
Federal
Publishing agency
U.S. Department of Health and Human Services, Office of Inspector General
Source record
Original document linked
Examines
8 jurisdictions · Arizona, Illinois + 6 more

CMS Did Not Ensure That Selected States Complied With Medicaid Managed Care Mental Health and Substance Use Disorder Parity Requirements

CMS did not ensure that selected States complied with Medicaid managed care MH/SUD parity requirements; noncompliance was widespread across eight States, including missing parity provisions in contracts, lack of parity analyses and public posting, and restrictive practices by…

Findings
6
Recommendations
8
Open evidence record
Source status
Original source
Published
Feb 2024
Scope
Single jurisdiction
Source authority
Federal
Publishing agency
U.S. Department of Health and Human Services, Office of Inspector General
Source record
Original document linked
Examines
Colorado

Colorado Could Better Ensure That Nursing Homes Comply With Federal Requirements For Life Safety, Emergency Preparedness, And Infection Control

Colorado could better ensure that nursing homes participating in Medicare and Medicaid comply with Federal life safety, emergency preparedness, and infection control requirements. Deficiencies were observed across all 20 nursing homes audited, indicating ongoing oversight chal…

Findings
7
Recommendations
3
Open evidence record
Source status
Original source
Published
Nov 2023
Scope
Multi-jurisdiction
Source authority
Federal
Publishing agency
U.S. Department of Health and Human Services, Office of Inspector General
Source record
Original document linked
Examines
14 jurisdictions · California, Florida + 12 more

Multiple States Made Medicaid Capitation Payments to Managed Care Organizations After Enrollees’ Deaths

The report concludes that improper Medicaid capitation payments to MCOs on behalf of deceased enrollees remain a persistent issue across states, with prior unallowable payments totaling about $249 million and ongoing uncollected federal shares. While CMS has made substantial p…

Findings
5
Recommendations
3
Open evidence record
Source status
Original source