DENVER (AP) – A federal grand jury is investigating the practices of Denver-based kidney-dialysis firm DaVita.

Chief executive Kent Thiry said Wednesday it appears the Colorado investigation is part of an investigation that began in 2005 by the U.S. Attorney’s Office in Missouri looking into allegations that DaVita overused the anemia drug Epogen and then billed the government for it.

The Denver Post reports that the grand jury is also looking into allegations that DaVita entered into improper relationships with pharmaceutical companies and physicians.

(Copyright 2011 by The Associated Press.  All Rights Reserved.)


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