In 2007 the OIG zeroed in on incident to billing claims. The HHS Office of Inspector General plans to issue a report on whether all the requirements for incident-to billing, including direct physician supervision are being followed. The OIG wants to know whether these services met the Medicare standards for medical necessity, documentation and quality of care, according to the OIG’s Work Plan. Other topics include: Other things that will be closely studied in the report include global periods and how they are determined in the medical billing. The agency will also be in the lookout for assignment violations where the physician has billed the patient more than Medicare co-pays …