1. The report covers claims covering services provided from January 2010 to September 2012.
2. During those years, Medicare contractors made $33.4 million in overpayments, due to physicians not correctly coding the place of service on physician claims.
3. The $33.4 million in overpayments for incorrectly coded services included:
• $18.2 million in potential overpayments for services of unselected hospital outpatient location-based claims
• $7.3 million in potential overpayments for services performed in ambulatory surgery centers
• $7.1 million in potential overpayments for services performed in hospital outpatient locations
• $800,000 in potential overpayments for services of 33 selected physician who claim they were not responsible for the incorrect billing
4. A previous OIG report covering calendar years 2005 through 2009 found $62.7 million in overpayments for physician services.
5. The potential overpayments uncovered in the 2015 report are attributed to internal physician billing control weaknesses and insufficient post-payment reviews at the Medicare contractor level.
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