James P. Reinert



James P. Reinert is an experienced litigator and concentrates his trial practice in medical professional liability defense.  Jim brings more than 30 years of experience in professional liability defense to Lashly & Baer, P.C. and he has been recognized as a  Super Lawyer, by Missouri & Kansas Super Lawyers. Jim has been selected by his peers for inclusion to The Best Lawyers in America® lists in the field of Medical Malpractice Law-Defendants, each year since 2014. He was selected by his peers to be the 2023 Lawyer of the Year for St. Louis in the area of Medical Malpractice Law-Defendants by The Best Lawyers in America.® Throughout his extensive career, he has managed hundreds of cases representing hospitals and universities and a wide range of medical practitioners including nurses, surgeons, family practitioners, gynecologists and radiologists.  His vast experience with medical liabilities allows Jim to work seamlessly with clients and communicate complex medical issues clearly with juries.
Prior to joining Lashly & Baer, P.C., Jim was a founding member of Gonnerman Reinert, LLC, Jim was also a principal with Brown & James, P.C. and Carmody MacDonald, P.C. in St. Louis.  Jim is admitted to practice in Missouri and Illinois, in the U.S. District Court for the Eastern District of Missouri, and before the U.S. Court of Appeals for the Eighth Circuit.  He is an active member of the Missouri Organization of Defense Lawyers.  He also frequently lectures on medical legal issues and teaches trial advocacy.

Community Service & Awards

  • Missouri & Kansas Super Lawyers, Personal Injury Medical Malpractice-Defendants, 2006 – Present 
  • The Best Lawyers in America®, Medical Malpractice Law, 2014 – Present
  • The Best Lawyers in America®, Lawyer of the Year – St. Louis
    • Medical Malpractice Law, 2023
  • Missouri Lawyers Weekly, Most Defense Verdicts in One Year, 2013
  • Kirkwood High School Mock Trial Team, Lawyer Coach, 2009 – Present

Professional Associations

  • American Bar Association
  • Bar Association of Metropolitan St. Louis
  • Illinois State Bar Association
  • The Lawyers Association of St. Louis, Missouri
  • Missouri Organization of Defense Lawyers
  • Missouri Society of Healthcare Attorneys
  • The Missouri Bar

Classes & Seminars

  • Lecturer, “Deposing the Expert Witness,” Lorman Education Services Continuing Education Seminars, 2004 and 2005

My Team

Administrative Assistant:
Amy Twyman

Jeanne U. Magrath, MSN, RN

Practice Areas

  • Health Care
  • Insurance Defense
  • Litigation
  • Professional Negligence
  • Medical Malpractice Defense

Bar Admissions

  • United States Court of Appeals, Eighth Circuit
  • United States District Court, Eastern District of Missouri
  • Supreme Court of Missouri
  • Supreme Court of Illinois


  • Saint Louis University School of Law, St. Louis, Missouri
    • J.D., 1986
  • University of Scranton, Scranton, Pennsylvania
    • B.S., Accounting, 1980

Employment History

  • Lashly & Baer
    Member, 2018 – Present
  • Gonnerman Reinert, LLC
    Founder, 2009 –  2018
  • Carmody MacDonald, P.C.
    Shareholder, 2003 – 2009
  • Brown & James, P.C.
    Principal, 1986 – 2003

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Lashly & Baer, P.C.


714 Locust Street

St. Louis, MO 63101

Map & Directions

Call: 314-621-2939

Fax: 314-621-6844


20 East Main Street
Belleville, IL 62220

Map & Directions

By Appointment Only
Call: 618-233-5587
Fax: 314-621-6844