Photo of Matthew J. Westbrook

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).

On January 21, 2026, the Office of Inspector General (“OIG”) for the U.S. Department of Health and Human Services (“HHS”) submitted its Fall 2025 Semiannual Report to Congress, identifying investigative outcomes relating to HHS program administration and operations during the six‑month period from April 1, 2025 through September 30, 2025. Similar to

The Office of Inspector General (“OIG”) recently issued advisory opinion 25‑12 (“the Opinion”), which addresses a home care agency’s plan to advertise and pay sign‑on bonuses to prospective attendant‑employees, many of whom are family members of Medicaid beneficiaries who would also select the agency for their relative’s Medicaid‑covered services.  OIG

In a pair of recent back-to-back rulings, Federal district courts in Florida and New York have held that the No Surprises Act (“NSA”) does not permit providers to bring private causes of action to enforce Independent Dispute Resolution (“IDR”) awards issued under the NSA.  Following on the heels of earlier

[This blog post was originally published on Proskauer’s Government Contractor Compliance & Regulatory Update blog here.]

The U.S. Department of Justice (the “DOJ”), Civil Division, has started issuing Civil Investigative Demands (“CIDs”) to federal contractors and grant recipients, seeking detailed information about their diversity, equity, and inclusion (“DEI”) practices. This move is part

On May 27, 2025, Blue Cross Blue Shield Healthcare Plan of Georgia (“BCBSGA”) sued several emergency physician groups and their billing agent, Halo MD, alleging abuse of the No Surprises Act’s (“NSA”) independent dispute resolution (“IDR”) process.  The complaint claims the providers submitted ineligible claims, made false attestations, and inundated

Last month, the United States Department of Justice (“DOJ”) issued its “Civil Division Enforcement Priorities” memorandum, memorializing a shift from its predecessor administration’s policy on gender‑affirming healthcare (“DOJ Memo”). The DOJ Memo portends a significant rise in government investigations and False Claim Act (“FCA”) liability for suppliers and providers

In a recently issued opinion, the Fifth Circuit has added yet another chapter to the growing debate over whether providers may seek judicial enforcement of Independent Dispute Resolution (“IDR”) awards issued under the No Surprises Act (“NSA”).  In a much-anticipated decision, the Fifth Circuit has held that the NSA does

The Department of Justice’s (“DOJ”) May 19, 2025 “Civil Rights Fraud Initiative” memorandum, issued by Deputy Attorney General Todd Blanche (the “Initiative”), marks a consequential policy shift for False Claims Act (“FCA”) enforcement. The Initiative instructs every U.S. Attorney’s Office to “aggressively pursue” compliance with federal civil rights laws, as those laws have been interpreted by the Supreme Court under the 2023 Harvard admissions decision. The effect of this order is to treat a recipient’s knowing violation of federal civil rights laws as a “false claim” whenever that recipient has certified, impliedly or expressly, that it would comply with those laws as a condition of receiving federal dollars.

On May 21, 2025, the Centers for Medicare and Medicaid Services (“CMS”) announced a significant expansion of its auditing efforts with respect to Medicare Advantage (“MA”) plans.

For newly initiated audits of MA plans, CMS will audit all eligible MA contracts for each payment year. Additionally, for audits already initiated

The U.S. Supreme Court has issued a significant ruling affecting hospitals that serve low-income Medicare beneficiaries, narrowing the interpretation of the Disproportionate Share Hospital (“DSH”) payment formula.  In Advocate Christ Medical Center v. Kennedy, the Court determined that only Medicare patients who were eligible to receive a cash Supplemental