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).

In another rebuke to federal regulatory overreach, the U.S. District Court for the Eastern District of Texas (“District Court”) has vacated the Food and Drug Administration’s (“FDA”) 2024 final rule that sought to bring laboratory‑developed test services (“LDTs”) within the scope of the agency’s medical device regulatory framework.  The case

On March 3, 2025, the United States Department of Health and Human Services (“HHS”) issued a policy statement rescinding the Richardson Waiver, a policy in place since 1971 that required notice-and-comment rulemaking for regulations on public property, loans, grants, benefits, or contracts.  Under the new framework, HHS and its

The First Circuit has issued its long-anticipated opinion in United States v. Regeneron Pharmaceuticals, Inc., clarifying the standard for establishing False Claims Act (“FCA”) liability based on Anti-Kickback Statute (“AKS”) violations.  The First Circuit held that an AKS violation must be the “but-for” cause of a claim for it

The standard for an “identified overpayment” under Medicare Parts A–D now aligns with section 1128J(d)(4)(A) of the Social Security Act, which incorporates by reference the Federal False Claim Act’s (the “FCA”) “knowledge” standard.  The previous “reasonable diligence” standard, which, as it related to Part C, had been

On December 11, 2024, the Office of Inspector General for the U.S. Department of Health and Human Services (“OIG”) issued a special fraud alert warning about certain marketing schemes that involve questionable payments and referrals between Medicare Advantage (“MA”) health plans, health care professionals, and third-party marketers (e.g., agents and

This week, the U.S. Attorney’s Office for the District of Colorado (“USAO”) announced that it entered into a series of interrelated settlement agreements with companies that provide intraoperative neuromonitoring (“IONM”) services, the companies’ founder, a neurosurgeon, and a businessman affiliated with the companies.  IONM services involve the use of electrodes

The health care industry is anxiously awaiting the First Circuit’s ruling on the standard of causation for actions brought under the False Claims Act (FCA) predicated on a federal Anti-Kickback Statute (AKS) violation. The First Circuit will decide whether the FCA “result[s] from” a kickback if that claim would not

On August 29, 2024, the Office for Civil Rights of the United States Department of Health and Human Services (“HHS-OCR”) withdrew its appeal of an order by the United States District Court for the Northern District of Texas’ (“District Court”) declaring unlawful and vacating a portion of an HHS-OCR Bulletin

In the context of Medicare Advantage (“MA”) reform initiatives, we previously addressed the Centers for Medicare & Medicaid Services’ (“CMS”) December 27, 2022 proposal to amend its regulations set forth at 42 C.F.R. § 401.305(a) regarding the standard for an “identified overpayment” under Medicare Parts A–D

In recent years, a circuit split among the United States Courts of Appeals has emerged over how courts have interpreted the False Claims Act’s (“FCA”) causation element in cases where a violation of the Anti-Kickback Statute (“AKS”) is a predicate violation for the false claim.  The spotlight is now on