Photograph of John T. Brennan Jr.

John T. Brennan Jr.


John T. Brennan, Jr. is a partner at Crowell & Moring and a member of the firm's Health Care Group. His practice primarily focuses on health care fraud and abuse matters. He defends clients in federal litigation, investigations and enforcement actions, especially relating to the federal False Claims Act and the anti-kickback and physician self-referral (Stark Law) statutes. He deals frequently with the Department of Justice and Health & Human Services - Office of the Inspector General. In addition to his litigation practice, John often advises clients on compliance matters, and conducts internal investigations related to potential fraud and abuse issues. John's practice also includes advising clients on reimbursement, transactional, physician relations, licensure and certification, and other regulatory issues.

Prior to entering law school, John was employed as a hospital administrator for several years.

John was named an American Health Lawyers Association Fellow in 2007, an honor bestowed on only 70 of the Association's 10,000 members. He served for three years as chair of the AHLA's 1,700-member Fraud and Abuse, Self-Referrals and False Claims Specialty Law Committee, the AHLA's largest Specialty Committee, and prior to that was vice-chair of that Committee. John is uniquely ranked as a Band One healthcare attorney on both a nationwide and District of Columbia level. He has been Band One rated by Chambers for the past 14 years and is an Acritas Star, Acritas Star Independently Rated Lawyers (2016, 2018, 2019). John has also been named one of the nation's Top Health Care Attorneys by Best's each year since 2006, as well as having appeared in multiple editions of The Best Lawyers in America since 2008 and Super Lawyers since 2007.

John lectures and writes regularly on health care fraud and abuse topics. He has frequently conducted the Health Care Fraud Primer session at the AHLA's Annual Conference, as well as presenting at the annual Health Care Fraud Update for Physicians and Hospitals at the AHLA Medicare/Medicaid Conference. He also speaks regularly at the ABA White Collar Health Care Fraud Institute. He has written law journal articles on the False Claims Act and co-edited numerous AHLA Members Briefings on the Stark Law, including the Stark II Phase I, Phase II, and Phase III Final Rules, and also served on the AHLA's prestigious Stark Law Convener Panel, which Panel in 2010 made specific recommendations for changes in the law that have since been adopted by CMS or Congress.

John is a member of the District of Columbia Bar and has appeared in numerous federal and state courts and in administrative proceedings nationwide.


  • Union College, cum laude, Phi Beta Kappa
  • The George Washington University, M.H.A. hospital administration (1973)
  • Georgetown University Law Center, J.D. (1978) cum laude


View More


Health Care

False Claims Act and Procurement Fraud


Litigation & Trial

Pharmaceutical Industry and Prescription Drugs

Hospital Systems and Providers

Health Care Litigation

Health Care Fraud and Abuse

Government Health Care Programs

False Claims Act and Procurement Fraud

Medical Devices

Show more practices…

The Best Lawyers in America 2023 Recognizes 54 Crowell & Moring Attorneys, Three Selected as Lawyer of the Year (August 18, 2022)
Firm News / Announcement
Chambers USA 2022 Ranks 70 Crowell & Moring Lawyers and 37 Practice Areas Among Best in U.S. (June 1, 2022)
Firm News / Announcement
"Payers, Providers, and Patients – Oh My!: Business and Clinical Considerations for the Ketamine Industry," Podcast: Payers, Providers, and Patients – Oh My! (October 25, 2021). Contacts: Payal Nanavati, Joe Records, Lidia Niecko-Najjum, John T. Brennan Jr.
Client Alert / Newsletter
The Best Lawyers in America 2022 Recognizes 53 Crowell & Moring Attorneys, One Selected as Lawyer of the Year (August 19, 2021)
Firm News / Announcement
Chambers USA 2021 Ranks 63 Crowell & Moring Lawyers and 30 Practice Areas Among Best in U.S. (May 20, 2021)
Firm News / Announcement
"CMS Issues Sweeping Reform to Modernize the Stark Law: Part I," Health Care Alert (November 30, 2020). Contacts: Troy A. Barsky, John T. Brennan Jr., Lidia Niecko-Najjum, Roma Sharma
Client Alert / Newsletter
The Best Lawyers in America 2021 Recognizes 46 Crowell & Moring Attorneys, Two Selected as Lawyer of the Year (August 20, 2020)
Firm News / Announcement
"HHS' Distribution of Provider Relief Funding to Skilled Nursing Facilities Along with New Terms and Conditions Raises Compliance Considerations for Providers," Health Care Alert (May 29, 2020). Contacts: John T. Brennan Jr., Brian Tully McLaughlin, Matthew Vicinanzo, Brian McGovern, David W. O'Brien
Client Alert / Newsletter
Chambers USA 2020 Ranks 53 Crowell & Moring Lawyers and 21 Practice Areas Among Best in U.S. (April 23, 2020)
Firm News / Announcement
"Guide to the COVID-19 Crisis Stark Waivers," Health Care Alert (April 9, 2020). Contacts: Troy A. Barsky, John T. Brennan Jr., Kelly Hightower Hibbert
Client Alert / Newsletter

For all Highlights, News & Knowledge, please click here to view desktop bio.

Crowell & Moring LLP is an international law firm with offices in the United States, Europe, MENA, and Asia that represents clients in litigation and arbitration, regulatory and policy, and transactional and corporate matters. The firm is internationally recognized for its representation of Fortune 500 companies in high-stakes litigation and government-facing matters, as well as its ongoing commitment to pro bono service and diversity, equity, and inclusion.

View Desktop Site | Mobile Sitemap |

Contact | Subscribe | Terms of Use | Privacy Statement | Alumni

© Crowell & Moring LLP 2023
Attorney advertising - prior results do not guarantee a similar outcome.