DOJ questions ex-UnitedHealth doctors in probe into Medicare fraud: report
1. DOJ investigates claims against UnitedHealth regarding Medicare diagnoses. 2. Investigators seek details on diagnosis practices and home healthcare processes. 3. UnitedHealth defends its Medicare Advantage integrity amidst scrutiny. 4. Former employees report pressure to document lucrative conditions for payment. 5. The DOJ's previous Medicare overpayment recovery efforts were unsuccessful.