John W. Dillane

About

John W. Dillane, partner at UB Greensfelder in St. Louis, counsels selling health care systems on mergers and acquisitions. He gives large physician groups and individual hospitals the same counsel. He has handled major transactions, including acquisitions and divestitures, for health-care clients. Washington University School of Law awarded John Dillane his J.D. in 1984. The University of Notre Dame granted him a B.A. in 1980. He teaches federal taxation of partnerships as an adjunct professor of law. He handles joint ventures and joint operating agreements in health care. He takes on tax-exempt bond issues and other health-care transactions.

Who is a good fit for John W. Dillane

• Sellers of health care systems who need counsel on a merger or acquisition.
• Individual hospitals planning a divestiture or a joint venture.
• Large physician groups entering a joint operating agreement.

Education and admissions

Education

• Washington University School of Law, J.D., 1984
• University of Notre Dame, B.A., 1980

Bar admissions

Missouri, Illinois

Recognition

• Ranked in Band 1 for Healthcare in Missouri by Chambers USA: America’s Leading Lawyers for Business (2022-2026)
• Named to The Legal 500 US Elite, Missouri, Corporate and M&A (2025; 2026)
• Named to The Best Lawyers in America®, Corporate Law (2023-2027); Health Care Law (2007-2027)
• Named Best Lawyers Health Care Law "Lawyer of the Year" in the St. Louis Area (2019)
• Missouri Lawyers Media ICON Award (2019)
• AV Preeminent®, Martindale-Hubbell® Peer Review Ratings™, Judicial Edition (2018)
• Named to the Missouri & Kansas Super Lawyers list, Business/Corporate Law (2005-2006, 2012-2013)

Specialties

Deal profile

Typical deal size

Any deal size

Remote work

In-person / regional