Xavier advises clients on complex health care regulatory compliance issues, guiding them through transactions and business arrangements in the health care and life sciences industries. He represents industry stakeholders and investors, helping them navigate regulatory challenges.

He has a particular focus on regulatory and compliance issues related to commercial health plans and managed care.  He regularly advises health plans and other payor-side organizations (including PBMs, other benefit managers, care management organizations, and marketing agencies) participating or involved in Medicare Advantage, Part D, and Medicaid Managed Care on program compliance. He has experience advising clients on regulatory issues related to TRICARE and the Federal Employee Health Benefits Program. He also regularly advises health plans and other payor-side organizations on federal regulatory compliance issues imposed by the Affordable Care Act, the Consolidated Appropriations Act, the Mental Health Parity and Addiction Equity Act, the Inflation Reduction Act, and the Employee Retirement Income Security Act of 1974, and has extensive experience is advising clients on complex issues related to copay accumulators, copay maximizers, and alternative funding programs; utilization management and prior authorization; the 340B program; and risk adjustment and medical loss ratio.  He also has experience with accountable care organization compliance and contracting and has advised risk-based providers and organizations on compliance with state insurance requirements.  

Xavier also provides regulatory counsel to private equity firms and other investors in mergers and acquisitions involving a variety of targets, including health systems and other health care providers, pharmacies, health insurance plans and pharmacy benefit managers, accountable care organizations, laboratories, health care technology companies, and risk adjustment vendors.

On behalf of health care providers and suppliers (including health care facilities and agencies, physician and other provider groups, and veterinary practices), Xavier has extensive experience advising clients on compliance with corporate practice of medicine and fee splitting prohibitions and state and federal licensure and regulatory filing requirements, and reimbursement-related issues. He also routinely advises these and other health care industry clients on legislative and regulatory trends, including on issues such as drug pricing and risk adjustment.

While in law school, Xavier served as an intern in the US Department of Health and Human Services’ Office of Inspector General and Vermont Legal Aid’s Office of the Health Care Advocate. He also worked as a senior research assistant at The George Washington University Milliken Institute School of Public Health, where he contributed to projects around health care regulatory issues.