Thomas Thagard provides comprehensive representation and strategic counsel to a variety of health care providers, including hospitals and health systems, academic medical centers, physician groups, individual health care professionals, renal dialysis clinics, ancillary services providers, ambulatory surgery centers, air ambulance service providers, and medical device companies.

Thomas’ practice primarily focuses on managed care disputes, strategies, and litigation. As a result of this specialization, Thomas is actively involved in matters throughout the United States, representing clients in mediation, arbitration, and litigation, both in state and federal courts. Thomas serves clients on a variety of managed care matters including disputes related to in-network “trended” underpayments, out-of-network emergency underpayments, medical necessity denials, attempted recoupments and offsets, contract interpretation, rental networks, and related legal issues involving the Affordable Care Act, ERISA preemption, UCR laws, the No Surprises Act, prompt pay laws, and laws regarding payor audits, recoupments and offsets.

Notable victories for Polsinelli’s clients include:

  • A multi-million-dollar arbitration award, including attorney’s fees, won on a dispositive motion in favor of a healthcare system for a complex breach of contract action against a Medicare Advantage health plan.
  • A substantial settlement on behalf of several healthcare providers against a commercial payor stemming from the payor’s incorrect interpretation of the “lesser of” language in the parties’ agreements.
  • A substantial settlement on behalf of several healthcare providers against a commercial payor concerning a coding dispute centered on the ICD-9 to ICD-10 coding transition.

Education

  • University of Richmond School of Law (J.D., magna cum laude, 2022)
    • University of Richmond Law Review, Manuscript Editor
    • CALI Award for Excellence in Evidence, Remedies, and Wrongful Convictions
  • Washington and Lee University (B.A., 2018)

    Bar Admission

    • Tennessee

    Professional Affiliations

    • American Bar Association
    • Tennessee Bar Association
    • Nashville Bar Association
    • American Health Law Association

    Recognition

    • Named one of Best Lawyers: Ones to Watch® in America in Health Care Law, 2025 and 2026