Review of Medicare Part A Claims Paid by National Government Services for Interrupted Stays at Inpatient Psychiatric Facilities During Calendar Years 2005 and 2006

Inpatient psychiatric facilities (IPFs) did not always bill claims paid by National Government Services (NGS) in compliance with Medicare prospective payment system regulations for interrupted stays. Specifically, based on our sample results, we estimate that NGS overpaid IPFs $393,000 for incorrectly billed interrupted stays in calendar years 2005 and 2006.