GAO April 2010 – Medicare Contracting Reform: Agency Has Made Progress with Implementation, But Contractors Have Not Met All Performance Standards
GAO March 2010 – Medicare Recovery Audit Contracting – Weaknesses Remain in Addressing Vulnerabilities to Improper Payments, Although Improvements Made to Contractor Oversight.
GAO September 2009 – Medicaid – Fraud and Abuse Related to Controlled Substances Identified in Selected States
OIG August 2009 – MSIS Date Usefulness for Detecting Fraud, Waste and Abuse
GAO March 2009 – Medicare – “Improvements Needed to Address Improper Payments in Home Health”
GAO January 2009 – Report to Congress – “High-Risk Series: An Update”
GAO July 2008 – Medicare Part D – “Some Plan Sponsors Have Not Completely Implemented Fraud and Abuse Programs, and CMS Oversight Has Been Limited”
GAO July 2008 – Medicare – “Covert Testing Exposes Weaknesses in the Durable Medical Equipment Supplier Screening Process”
GAOMay 2008 – Medicaid – “CMS Needs More Information on the Billions of Dollars Spent on Supplemental Payments”
GAO April 2008 – Medicaid Financing – “Long-standing Concerns about Inappropriate State Arrangements Support Need for Improved Federal Oversight”
GAOJanuary 2008 – Medicaid Demonstration Waivers – “Recent HHS Approvals Continue to Raise Cost and Oversight Concerns”
GAOJuly 2007 – Medicare – “Improvements Needed to Address Improper Payments for Medical Equipment and Supplies”
GAO March 2007 – Medicaid Financing – “Federal Oversight Initiative is Consistent with Medicaid Payment Principles but Needs Greater Transparency”
GAO March 2006 – Medicaid Integrity – “Implementation of New Program Provides Opportunities for Federal Leadership to Combat Fraud, Waste, and Abuse”
GAO September 2005 – Medicare – “More Effective Screening and Stronger Enrollment Standards Needed for Medical Equipment Suppliers”
GAO June 2005 – Medicaid Fraud and Abuse – “CMS’s Commitment to Helping States Safeguard Program Dollars is Limited”
GAO June 2005 – Medicaid Financing – “States’ Use of Contingency-Fee Consultants to Maximize Federal Reimbursements Highlights Need for Improved Federal Oversight”
GAO June 2005 – Medicaid Drug Rebate Program – “Inadequate Oversight Raises Concerns about Rebates Paid to States”
GAO June 2005 – Medicaid – “States’ Efforts to Maximize Federal Reimbursements Highlight Need for Improved Federal Oversight”
GAO July 2004 – Medicaid Program Integrity – “State and Federal Efforts to Prevent and Detect Improper Payments”
GAO March 2004 – Medicaid – “Intergovernmental Transfers Have Facilitated State Financing Schemes”
GAO February 2004 – Medicaid – “Improved Federal Oversight of State Financing Schemes Is Needed”
GAO June 2002 – Medicaid Financial Management – “Better Oversight of State Claims for Federal Reimbursement Needed”
GAO October 2001 – Medicaid – “HCFA Reversed Its Position and Approved Additional State Financing Schemes”
GAO October 2001 – Strategies to Manage Improper Payments – “Learning from Public and Private Sector Organizations”
GAO June 2001 – Medicaid – “State Efforts to Control Improper Payments Vary”
GAO September 2000 – Medicaid – “State Financing Schemes Again Drive Up Federal Payments”
GAO July 2000 – Health Care Fraud – “Schemes to Defraud Medicare, Medicaid, and Private Health Care Insurers”
GAO July 2000 – Medicaid – “HCFA and State Could Work Together to Better Ensure the Integrity of Providers”
GAO April 2000 – Medicaid in Schools – “Improper Payments Demand Improvements in HCFA Oversight”
GAO November 1999 – Medicaid – “Federal and State Leadership Needed to Control Fraud and Abuse”
GAO March 1997 – Medicaid Fraud and Abuse – “Stronger Action Needed to Remove Excluded Providers From Federal Health Programs”
GAO March 1996 – Fraud and Abuse – “Providers Excluded From Medicaid Continue to Participate in Federal Health Programs”
GAO March 1995 – Medicare and Medicaid – “Opportunities to Save Program Dollars by Reducing Fraud and Abuse”
GAO August 1993 – Medicaid Drug Fraud – “Federal Leadership Needed to Reduce Program Vulnerabilities”
