 Edward S. KornreichPartner
Past long-standing chair of Proskauer’s Health Care Department, Ed Kornreich is a recognized authority on the legal, regulatory and business issues related to health care…
Past long-standing chair of Proskauer’s Health Care Department, Ed Kornreich is a recognized authority on the legal, regulatory and business issues related to health care services.
Areas of Concentration
Ed works primarily on health care transactions, regulatory compliance, health care payment and governance issues for varied providers (both for-profit and not-for-profit), vendors, GPOs, distributors and entrepreneurs. His approach combines sensitivity to meeting regulatory business goals with a comprehensive and realistic assessment of the health care environment, and he is particularly experienced in dealing with the complex issues related to integrated health care systems.
Industry Experience
After working for the Legal Aid Society, Ed entered private practice, where he helped represent a major public hospital corporation in a series of reimbursement disputes with the state and federal governments, and counseled New York area hospitals and nursing homes on reimbursement and operational issues. Thereafter, Ed served as General Counsel of St. Luke’s-Roosevelt Hospital Center, one of the largest teaching hospitals in New York. After leaving St. Luke’s-Roosevelt Hospital Center, Ed joined Proskauer as a Partner in 1990.
Thought Leadership
Ed frequently writes and lectures on Medicare and Medicaid reimbursement, health care integration, not-for-profit law and corporate governance issues, and the application of federal and state anti-kickback and “Stark” laws to health care transactions.
|  Jason S. MaddenPartner
Jason Madden is a partner in the Corporate Department and a member of the Health Care Group. His practice focuses on representing health care clients…
Jason Madden is a partner in the Corporate Department and a member of the Health Care Group. His practice focuses on representing health care clients, including hospitals, physician groups, not-for-profit corporations, private equity firms and other financial institutions. Jason provides legal advice on a wide range of transactional and regulatory matters, including fraud and abuse compliance; HIPAA and data privacy; mergers, acquisitions and financings; and general corporate and business planning.
In addition, Jason actively participates in pro bono matters, representing not-for-profit organizations on a variety of matters, and is an active member of the American Health Lawyers Association (AHLA). Jason has led the Proskauer’s Election Protection Call Center during the last two election cycles.
|  Matthew J. WestbrookSenior Counsel
Matt Westbrook is a senior counsel in the Corporate Department and a member of the Health Care Group. His practice focuses on providing regulatory compliance…
Matt Westbrook is a senior counsel in the Corporate Department and a member of the Health Care Group. His practice focuses on providing regulatory compliance advice for the Firm’s health care clients, including service providers, health plans, operators, investors, and lenders, among others. Matt specifically provides advice on fraud and abuse matters arising under the Federal False Claims Act (FCA), Civil Monetary Penalties Law, Federal Anti-Kickback Statute (AKS), and Physician Self-Referral Law (Stark Law), as well as on the regulations promulgated by the Drug Enforcement Administration (DEA) and the Department of Health and Human Services, including the Office of Inspector General (OIG), Centers for Medicare & Medicaid Services (CMS), and Food and Drug Administration (FDA).
Before joining the Firm, Matt served as senior counsel in OIG’s Administrative and Civil Remedies Branch. At OIG, Matt was responsible for determining whether to impose administrative sanctions, including civil money penalties and Federal health care program exclusions, against health care providers and suppliers, and whether to impose civil money penalties on hospitals and physicians in connection with matters referred to CMS under the Emergency Medical Treatment and Labor Act (EMTALA). During his tenure, Matt also litigated exclusion appeals before administrative law judges and appellate panels of the Departmental Appeals Board; advised United States Attorney’s Offices on exclusions appealed to Federal district courts; resolved voluntary self-disclosures submitted by providers and grant and contract recipients; and participated in the negotiations and settlements of FCA matters by the Department of Justice involving the AKS, Stark Law, CMS reimbursement issues, and DEA and FDA compliance issues. In connection with certain FCA resolutions, Matt also negotiated and monitored corporate integrity agreements.
On the Florida junior circuit and in college, Matt was a competitive tennis player. Matt played on the varsity team and was captain his senior year at Rhodes College, earning ITA Division III and SCAC All-Academic Honor Roll awards his sophomore, junior, and senior years. Matt is an active member of the American Health Law Association (AHLA) and currently serves as a Vice Chair of AHLA’s Fraud and Abuse Practice Group.
Articles:
Matthew J. Westbrook and David M. Blank, “Using OIG’s Cross-Component Audit and Enforcement Data to Strengthen Your Compliance Program,” Compliance Today (February 2024).
Ed Kornreich, Matthew Westbrook, and Angela Gichinga, “Bracing for the Impact of the No Surprises Act,” Westlaw Today (June 16, 2022).
Presentations:
Bill Mathias and Matt Westbrook, “‘Lightning Round’: A Fraud & Abuse Due Diligence Game Show,” American Health Law Association (Health Care Transactions Conference, May 5–6, 2025).
Matthew J. Westbrook and David M. Blank, “Recent Trends in CMPL Enforcement, American Health Law Association (Webinar, May 24, 2023).
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