DOJ Investigates UnitedHealth, Probe Accuses Of Inflating Medicare Diagnoses
1. DOJ launched a fraud probe into UNH Medicare billing. It focuses on Medicare Advantage and physician groups. 2. WSJ reports billions in federal payments from questionable diagnoses. It includes nurse visits without proper treatment. 3. UNH defends its practices as improving patient care. It disputes the WSJ allegations and audit concerns. 4. Investor Bill Ackman criticizes UNH, warning of fraud. UNH stock fell 10.2% in premarket trading.