The OIG looked at 490 inpatient and outpatient claims CMS paid to Cedars-Sinai between Jan. 1, 2008, and June 30, 2011 — a sample size of only 0.07 percent of claims CMS actually paid to Cedars-Sinai during that period. The government found Cedars-Sinai complied with Medicare billing requirements on only 81 of the 490 claims. Most of the errors came on the inpatient side, totaling $1.87 million of the Medicare overpayments.
In its recommendations, the OIG said Cedars-Sinai should refund the $2.24 million in Medicare funds and strengthen its compliance with Medicare billing requirements. Cedars-Sinai officials agreed with the OIG and have started addressing billing issues on both the inpatient and outpatient side.
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