Portrait of John W. Dillane

John W. Dillane

Partner

For health care systems, individual hospitals or large physician groups needing counsel on mergers and acquisitions, John Dillane is the attorney to call. His experience handling major transactions in the health care industry gives him a deep understanding of the dynamics involved in acquisitions, divestitures, joint ventures, joint operating agreements, tax-exempt bond issues and other transactions.

On behalf of health care institutions, John acts as a lead negotiator and adviser in matters including:

  • The acquisition and divestiture of hospitals, ambulatory care facilities, multi-specialty physician group practices and managed care companies.
  • The negotiation, establishment and termination of joint ventures between hospitals and physicians and between not-for-profit and for-profit companies.
  • Advice concerning corporate structuring and governance.
  • Advice concerning taxable and tax-exempt financing transactions, including tax-exempt bond issues, private debt placements, revolving credit facilities, commercial paper and derivatives such as interest rate swaps.

John is skilled in developing creative solutions, despite changes in law that have diminished the scope of physician-hospital partnership arrangements. In acquisitions, he has helped health systems to optimize their tax position and design novel transaction structures to allow clients to achieve their goals and comply with financial covenants.

His practice also includes the representation of various closely held businesses and their owners in mergers and acquisitions, financings, corporate planning, succession planning, tax-free exchanges of real estate, formations of partnerships, joint ventures and limited liability companies, and general corporate matters.

While practicing at UB Greensfelder, John has occasionally served on the adjunct faculty of Washington University in St. Louis as a legal writing instructor and as an adjunct professor of law teaching federal taxation of partnerships.

    Education

    • Washington University School of Law (J.D., 1984)
      • Order of the Coif
    • University of Notre Dame (B.A., 1980)
      • Government
      • International Studies

    Bar Admissions

    • Missouri
    • Illinois
    • U.S. District Court, Eastern District of Missouri
    • U.S. Tax Court

    Professional Affiliations

    • American Bar Association
    • The Missouri Bar
    • Illinois State Bar Association
    • Bar Association of Metropolitan St. Louis

    Awards & Honors

    • 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 (2023-2026); Health Care Law (2007-2026)
    • 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)

John W. Dillane

For health care systems, individual hospitals or large physician groups needing counsel on mergers and acquisitions, John Dillane is the attorney to call. His experience handling major transactions in the health care industry gives him a deep understanding of the dynamics involved in acquisitions, divestitures, joint ventures, joint operating agreements, tax-exempt bond issues and other transactions.

On behalf of health care institutions, John acts as a lead negotiator and adviser in matters including:

  • The acquisition and divestiture of hospitals, ambulatory care facilities, multi-specialty physician group practices and managed care companies.
  • The negotiation, establishment and termination of joint ventures between hospitals and physicians and between not-for-profit and for-profit companies.
  • Advice concerning corporate structuring and governance.
  • Advice concerning taxable and tax-exempt financing transactions, including tax-exempt bond issues, private debt placements, revolving credit facilities, commercial paper and derivatives such as interest rate swaps.

John is skilled in developing creative solutions, despite changes in law that have diminished the scope of physician-hospital partnership arrangements. In acquisitions, he has helped health systems to optimize their tax position and design novel transaction structures to allow clients to achieve their goals and comply with financial covenants.

His practice also includes the representation of various closely held businesses and their owners in mergers and acquisitions, financings, corporate planning, succession planning, tax-free exchanges of real estate, formations of partnerships, joint ventures and limited liability companies, and general corporate matters.

While practicing at UB Greensfelder, John has occasionally served on the adjunct faculty of Washington University in St. Louis as a legal writing instructor and as an adjunct professor of law teaching federal taxation of partnerships.