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 By Fred Schulte, Center for Public Integrity 
The entrance to the Humana headquarters in Louisville, Kentucky.

The entrance to the Humana headquarters in Louisville, Kentucky.

 

Insurance giant Humana Inc., which operates some of the nation’s largest private Medicare health plans, knew for years of billing fraud at some South Florida clinics, but did little to curb the practice even though it could harm patients, a doctor alleges in a newly unsealed whistleblower lawsuit.

The suit was filed by Boynton Beach physician Mario M. Baez. It accuses Humana, and his former business partner, Dr. Isaac K. Thompson, of engaging in a lucrative billing fraud scheme that lasted years. The suit also names three other Palm Beach County doctors, two medical clinics and a doctors’ practice group as defendants. The suit was filed in October 2012, but remained under a federal court seal until Feb. 26.