The Professional Services Review Commission, Tony Webber made tentnag claims the abuse was as it did in 2012 and the claims received a similar response from doctors.
A joint investigation by Nine and the ABC alleges $8 billion a year is lost through Medicare fraud.
They said there were widespread errors and inaccurate billing, citing Dr Webber and billing company owner and Medicare compliance expert, Dr Margaret Faux.
The government seems still hesitant to draw any conclusions.
