Practice Overview

John E. Diehl counsels and represents health care providers including professionals, hospitals, nursing homes and other service providers. He advises on a broad range of issues in corporate law, governance, patient care, state and federal regulatory compliance (including Stark, anti-kickback laws and HIPAA), third-party payment and exempt organization tax laws.

Representative Experience

  • Designs, negotiates and documents business and professional relationships and transactions – including procurement and service contracts, mergers and acquisitions, and systems development.
  • Advises on Medicare and Medicaid payment issues with third-party payers (and private health plans); biomedical ethics; patient care; regulatory compliance; and risk management systems and disputes.
  • Represents health care professionals in addressing issues with their licensing boards and credentialing authorities.
  • Extensive involvement in the development of health care policy and insurance law, including insurer solvency, health insurance, and property and casualty insurance regulation.

Bar Admissions
  • Iowa, 1969
  • Minnesota, 1969
  • U.S. District Court, District of Minnesota


  • University of Iowa College of Law, Iowa City, IA, 1969 J.D. 
  • University of Iowa, Iowa City, IA, 1964 B.B.A.

Prior Professional Experience

  • Special Assistant Attorney General, State of Minnesota, 1969 - 1972
  • Chief, Minnesota Department of Health, HMO Unit, 1973 - 1975
  • General Counsel, University of Minnesota Hospitals and Clinics, 1975 - 1983

Professional Associations & Memberships

  • Minnesota State Bar Association, Health Law Section, 1978 - present, Chairman of Governing Council, 1999 - 2000
  • American Health Lawyers Association, 1976 - 2014
  • Gillette Children's Specialty Healthcare, Board of Directors, 1993 - 2012, Chairman, 1998-2000
  • City of Lilydale, Minnesota, City Councilman, 2011 - present
  • City of Lilydale, Minnesota, Planning and Zoning Commission, 2007 - present; Chairman, 2007-2011
  • East Metro Medical Society Foundation, Board of Directors, 2010 - 2015
  • Minnesota Commission on End of Life Care, 2000 - 2002
  • Minnesota Hospital Association, Associate Member, 1983 - 2015, Board of Directors, 2000-2005
  • Minnesota Society of Hospital Attorneys, Founder, 1976-1996, Board of Directors, 1976-1980 and President, 1978-1980
  • Minnesota Workers Compensation Insurers Association, Inc., Board of Directors (Employer Representative), 1998 - 2002
  • National Association of HMO Regulators, Founder and First President, 1974-1975