Adria Warren



Adria E. Warren is a partner and health care lawyer with Foley & Lardner LLP. Adria’s practice focuses on advising clients with respect to mergers, acquisitions, affiliations and strategic transactions, including forming provider groups, networks, alliances, and joint ventures. She is a member of the Health Care and Technology Industry Teams as well as the Transactional & Securities, Private Equity & Venture Capital, and International Practices. Adria chairs the firm’s National Women’s Network.

Prior to joining Foley’s Health Care Industry Team, Adria had over ten years’ experience as a business lawyer. She brings a wealth of business and transactional experience to assist clients in the health care industry, including providers, medical device companies, life sciences companies, and health care information technology companies. In addition, Adria counsels entrepreneurs and established companies on a wide range of day-to-day legal and business issues from starting-up through going public, including corporate governance issues, securities laws compliance, tax, and employment matters.

Prior to joining Foley, Adria was an associate at McDermott, Will & Emery in Boston.

Firm Leadership

In addition to her role with Foley’s Women’s Network, Adria serves on the Planning Committee for the Health Care Industry Team and the Cancer Center Business Summit, the preeminent national conference focusing on the business of oncology. Previously, she served on the firm’s national Associates Committee, and co-chaired the Health Care Associates Committee.


Adria has been selected by her peers for inclusion in The Best Lawyers in America© since 2019 in the field of Health Care Law, and she has been recognized in Chambers USA for her work in healthcare in 2021.


Adria graduated from Smith College (A.B., cum laude, 1990) and The Fletcher School of Law and Diplomacy (M.A., 1997). She obtained her law degree from the University of California, Los Angeles (J.D., 1998), where she was the articles editor for Pacific Basin Law Journal.


Adria is admitted to practice in the Commonwealth of Massachusetts.

International Experience

Adria lived in China from 1990-1993 and in 1996, and has worked extensively with China and Southeast Asia in numerous capacities. She is conversant in French and Mandarin Chinese.

Professional Memberships and Affiliations

Adria sits on the Boston Bar Association’s Health Law Committee, and for the past two years has co-chaired its Education Committee. Previously, Adria served as co-chair (two years) on the China Committee for the American Bar Association’s Section of International Law and edited the ABA’s “Year in Review (China).” She is currently on the board of directors of the Marino Foundation, a grant-making organization working to promote the advancement of pediatric integrative medicine.

Publications and Presentations

Adria speaks and writes frequently on health care legal matters. The following is an illustrative list of recent engagements:

  • “Hospital Acquisitions of Physician Practices: Legal Issues in Valuing, Negotiating and Documenting the Transaction,” Strafford Webinar (March 2018)
  • “Oncology Business Transactional Issues” Cancer Center Business Summit (February 2017)
  • “Key Health Law Issues in Massachusetts in 2016,” Boston Bar Association CLE (January 2017)
  • “The Clinically-Integrated, Value-Focused World – 2015 in Review and Seven Tips for 2016 and Beyond,” Beckers Hospital Review (May 2016, with A. Ferrari)
  • “The Common Rule,” Boston Bar Association CLE (March 2016)
  • “A Brave New World – But Not for the Unwary: Advanced Valuation Issues in Oncology Transactions,” Cancer Center Business Summit (February 2016)
  • “The Big Data Puzzle: Putting Together the Pieces for an Effective Compliance Strategy,” 2016 Health Law and Compliance Update, J. Steiner, ed. (Wolters Kluwer Law and Business)
  • “Big Value in Healthcare: Legal and Regulatory Considerations in the Path to Monetization,” Association of Corporation Counsel (ACC) InfoPAK (May 2015)
  • “Current Trends in Healthcare Valuations,” 2015 Health Law and Compliance Update, J. Steiner, ed. (Wolters Kluwer Law and Business)
  • “Rules, Tools and Fools- Hot Buttons in Physician Comp Planning Series Part 1,” AHLA Webinar (October 2014)
  • “Is it all about the Money? 10 Lessons from Halifax,” Boston Bar Association lunch seminar (October 2014)
  • “Doing Good vs. Doing Right – Lessons for Public Health Systems in Halifax and other Recent Cases,” American Health Lawyers Association PG Newsletter (Fall 2014)
  • “New Models for Post-Acute Partnerships,” Hospitals & Health Networks/H&HN Daily (September 2013)
  • “EHRs in 2013: A Holistic View of Issues Facing Providers,” Foley & Lardner Health Information Technology Web Conference Series (May 2013)
  • “M&A Sector Report -- Healthcare,” 2013 Cross Border M&A Summit (New York, May 2013)
  • “Oncology Transactions and 340B,” Journal of Oncology Practice (March 2013, with A. Shankar)