Review of High-Dollar Payments for Maryland and District of Columbia Medicare Hospital Outpatient Claims Processed by Highmark Medicare Services for the Period October 1 Through December 31, 2005

Highmark Medicare Services (Highmark) overpaid $54,000 for the five high-dollar payments it made for hospital outpatient claims in Maryland and the District of Columbia. Overpayments totaling $51,000 were refunded either prior to or during our audit. Highmark has initiated recovery of the remaining overpayments totaling $3,000.