The ‘robust‘ team at Manatt, Phelps & Phillips, LLP acts for a lucrative client base which notably includes Blue Shield of California and Aetna Life Insurance Company. William Bernstein leads the New York-based practice with his broad expertise in health service payment issues, and Robert Belfort is known for his vast transactional capabilities, often assisting insurers with value-based arrangements. In Los Angeles, Ileana Hernandez leads the firm’s healthcare litigation group, often acting for insurers and health plans in Employee Retirement Income Security Act (ERISA) cases, while healthcare litigator Gregory Pimstone focuses on FCA and insurance disputes, and Paul Carr-Rollitt regularly advises on the integration of health plans and health systems. Randi Seigel is particularly knowledgeable in matters concerning HIPAA, routinely advising clients on Medicare and Medicaid participation and billing, and Michael Kolber leverages his governmental expertise to assist with corporate transactions and matters concerning commercial managed care.

Primarily based in Washington DC, McDermott Will & Emery LLP‘s team handles the full gamut of issues relating to ERISA class actions and M&A for primary care companies, health insurers, and pharmacy benefits managers. Practice head Jerry Sokol works out of the Florida office, and is known for his expansive knowledge of healthcare-related private equity transactions, and Chicago’s Lisa Mazur is a digital health specialist who focuses on professional licensure and reimbursement. Regulatory expert Jeremy Earl often assists insurers with matters governed by the Affordable Care Act, and the interaction between federal standards and state laws regarding insurance, while Kate McDonald is recommended for her expertise in Medicare Advantage, Part D, and managed care matters. Caroline Reignley often handles government investigations and cases relating to the FCA. Anisa Mohanty left the firm in February 2024.

Kimberly Kerry and Janice Ziegler jointly co-head the practice at Dentons, which is known for its strong capabilities in claims regarding insurance fraud. Dividing her time between San Francisco and Oakland, Kerry is known for her vast corporate expertise within the healthcare space, and Michael Barnes is a key name for claims-handling and coverage mandates. Ziegler works out of the New York office, advising health plans, insurers, and insurance brokers on regulatory issues, and Sean Cenawood utilizes his expansive governmental expertise to assist with both internal and government investigations. In Washington DC, Bruce Merlin Fried is a key contact for health plans and physician organizations, while Christopher Janney has longstanding expertise in M&A and clinical arrangements for marketing and services, and Gadi Weinreich is noted for his deep knowledge of whistleblower claims. Commercial litigation expert Dianne Winter Brookins often acts in disputes concerning insurance coverage and benefits in Honolulu.

Greenberg Traurig, LLP‘s New York group is renowned for its broad experience, advising a diverse client list of pharmacy benefit managers, insurance companies, and health plans. Practice co-head Tricia Asaro routinely acts for health plans in corporate governance and compliance mandates, while Harold Iselin is noted for his knowledge of insurance and managed care transactions. David Peck co-heads the practice from Florida, often assisting private equity houses and high growth companies with corporate issues. Eileen Hayes has notable regulatory expertise in health insurance, drawing on her prior experience in the New York insurance department within the Department of Financial Services’ Health Bureau. Elizabeth Sacco regularly acts for specialty network providers and insurers in both federal and state level regulatory mandates concerning licensing issues.

Hogan Lovells US LLP routinely acts for insurers in coverage disputes and cybersecurity matters, in addition to advising clients on HIPAA compliance. Leading the practice from Washington DC, Ronald Wisor has extensive expertise in healthcare fraud and abuse matters. Miami’s Craig Smith represents a number of major health plans and systems in Medicare and Medicaid-related mandates, while David Massey is well versed in disputes involving ERISA and FCA violations. Litigator Michael Maddigan often acts in class actions and insurance disputes in Los Angeles. The Washington DC group was bolstered by the arrival of Kenneth Field from Jones Day, who adds his extensive knowledge of antitrust issues within the healthcare sphere.

Praised by clients for its ‘wealth of deep understanding‘, the California-based practice at Sheppard, Mullin, Richter & Hampton LLP handles a broad array of mandates, including the taxation of health plans and disputes concerning out-of-network reimbursement. Eric Klein leads the team, utilizing his longstanding transactional experience to advise clients on joint ventures and M&A. Lynsey Mitchel is a regulatory specialist when it comes to HMO-related issues under the California Knox-Keene Health Care Service Plan Act, while Moe Keshavarzi routinely acts for health plans in class actions and disputes concerning unfair competition. W0rking out of the Washington DC office, Christine Clements is known for her broad knowledge of HIPAA compliance issues and both state and federal managed healthcare government contract programs.

Gibson, Dunn & Crutcher LLP‘s broad team is well known for its insurance expertise, handling a range of investigations and actions concerning FCA and Anti-Kickback violations. Gustav Eyler, Jonathan Phillips, and Geoffrey Sigler all co-lead the team from Washington DC, while Deborah Stein leads from Los Angeles, and John Partridge leads from Denver. Sigler regularly handles class actions concerning behavioral care coverage under ERISA, and allegations involving the underpayment of plan benefits.

Seth Peretta and Lisa Campbell jointly lead the Washington DC-based group at Groom Law Group, Chartered, which acts for a diverse client list of employers, sponsors of health and welfare plans, and managed care organizations. Campbell is an expert in all matters ACA related, with an emphasis on qualified health plan standards and insurance market reforms, while Jon Breyfogle is particularly knowledgeable on ERISA fiduciary rules, advising a number of health insurers and trade associations on health matters. Ryan Temme often advises health plan sponsors and insurers on compliance with both federal and state regulations regarding the Mental Health Parity and Addiction Equity Acts. Seth Peretta is known for his deep knowledge of employee benefits issues, including health reimbursement arrangements, and Xavier Baker routinely assists clients with disputes concerning non-discrimination requirements under the ACA.

John Manthei, Ben Haas, and Jason Caron lead the team at Latham & Watkins LLP from Washington DC. The group handles a variety of issues, from qui tam actions to coverage disputes. Boston’s David Tolley acts in a broad range of disputes concerning FCA and Anti-Kickback rules, often representing insurers and hospital systems. In Washington DC, Daniel Meron utilizes his prior government experience within the HHS to advise on fraud and abuse, and white-collar enforcement issues within the healthcare space.