Abbott Northwestern Hospital (the Hospital) complied with Medicare billing requirements for 88 of the 162 inpatient and outpatient claims we reviewed. However, the Hospital did not fully comply with Medicare billing requirements for the remaining 74 claims, resulting in overpayments of $934,000 for 2013 and 2014 (audit period). On the basis of our sample results, we estimated that the Hospital received overpayments of at least $8 million for the audit period. Overpayments occurred primarily because the Hospital did not have adequate controls to prevent the incorrect billing of Medicare claims within the selected risk areas that contained errors.
Report Date | Agency Reviewed / Investigated | Report Title | Type | Location | |
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Department of Health & Human Services | Medicare Compliance Review of Abbott Northwestern Hospital for 2013 and 2014 | Audit |
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View Report | |
Appalachian Regional Commission | Gateway Area Development District | Audit |
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View Report | |
Department of the Interior | DATA Act Readiness Review of Interior Business Center for the U.S. Department of the Interior | Audit | Agency-Wide | View Report | |
Department of the Interior | Investigation of Allegations that an Energy Company Falsified Documents | Investigation | Agency-Wide | View Report | |
Federal Deposit Insurance Corporation | OIG Hotline Complaints Regarding Employee Travel | Inspection / Evaluation | Agency-Wide | View Report | |
Department of Energy | Followup on the Department of Energy’s Analytical Services Program | Audit |
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View Report | |
Department of Justice | Audit of the Office on Violence Against Women and Office of Justice Programs Cooperative Agreements Awarded to the National Domestic Violence Hotline Austin, Texas | Audit |
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View Report | |
Department of Defense | The Army Did Not Have Assurance That Heavy Lift Contractors in Kuwait Complied With Contract Requirements | Audit | Agency-Wide | View Report | |
AmeriCorps | Prohibited Activities – AmeriCorps Members Directed to Transport Individual for Abortion Services | Investigation |
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View Report | |
Department of Health & Human Services | Oregon State Medicaid Fraud Control Unit: 2016 Onsite Review | Inspection / Evaluation |
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View Report | |