The owner of a healthcare software company was convicted of massive Medicare fraud on Thursday, the Department of Justice said, ending what Acting Attorney General Todd Blanche called "one of the most egregious fraud schemes in Florida history."  HealthSplash owner and CEO Brett Blackman, 42, and co-conspirators "aggressively targeted hundreds of thousands of Medicare beneficiaries to get them to accept medically unnecessary" products including orthotic braces, according to a DOJ news release .