The OIG's audit reveals significant noncompliance with PDPM billing in skilled nursing facilities, prompting potential repayments exceeding $31 million and signaling broader risks for Medicare reimbursement compliance.

TD Cowen lowers UnitedHealth stock rating and price target due to increased risk and regulatory issues in Medicare Advantage and Medicaid sectors, amid ongoing criminal investigation. Brokerages maintain an outperform stance with long-term valuation upside noted.