T. J. Sullivan

tj.sullivan dbr.com
Phone: (202) 230-5157 (202) 230-5157
Fax: (202) 230-5357


T. J. Sullivan advises tax-exempt organizations on complex regulatory and business issues. He is widely acclaimed by peers as outstanding in matters related to tax-exempt entities including hospitals, HMOs, and clinics. T.J.’s practice encompasses complex transactions including corporate reorganizations, joint ventures, and acquisitions, and he brings significant regulatory experience to his work.

In addition, T.J. regularly assists health systems and trade associations in mergers, acquisitions, and sale transactions, as well as counseling them in connection with tax compliance and executive compensation and benefits matters.

Until 1996, T.J. was special assistant (health care) to the Internal Revenue Service assistant commissioner (employee plans and exempt organizations). At the IRS, he focused on matters involving the tax treatment of hospitals, HMOs, clinics, and other tax-exempt organizations.


  • Obtained a declaratory judgment in the U.S. Tax Court for the John Gabriel Ryan Association, a health system subsidiary that operated several joint ventures.
  • Defended IRS examinations involving executive compensation and benefits and other potential excess benefit transactions issues in several regions


Chambers USA, Nationwide, Senior Statesman, Healthcare: Transactional (2017)
Chambers USA,
District of Columbia, Senior Statesman, Healthcare (2017)
Chambers USA
, Nationwide, Healthcare: Transactional (2012–2016)
Chambers USA, District of Columbia, Healthcare (2005, 2008–2009, 2012–2016)
White House Task Force on Health Reform (1993)

Awards Methodology (www.drinkerbiddle.com/content/awards)

T.J. Sullivan is ‘just a master of his universe’ in the tax-exempt market, according to commentators, who add that ‘he's truly a national thought leader and a go-to lawyer in that space.


”T.J. Sullivan is a valuable resource to tax-exempt organizations operating in the healthcare space. He is truly a national thought leader and a go-to lawyer in the space,’ says one peer.


Chambers USA (2017)

T.J. Sullivan handles transactional and tax exemption matters for healthcare clients. Sources say he is 'a leader in the tax exemption field and there is nobody better that you can go to.'

Chambers USA (2013)


Bar Admissions

  • District of Columbia


  • Georgetown University Law Center, LL.M., 1991, with distinction
  • George Washington University, J.D., 1985, with honors
  • West Virginia University, M.P.A., 1979
  • Salem College, B.A., 1977


  • American Health Lawyers Association, Tax Issues Program Committee, Chair (2000–2006)
  • American Health Lawyers Association, Board of Directors (1995–2001)
  • American Bar Association, Tax Section, Health Care Subcommittee of the Committee on Exempt Organizations, Co-chair
  • BNA’s Health Law Reporter, Editorial Advisory Board
  • The Exempt Organization Tax Review, Editorial Advisory Board