Atty. Mark A. Castleberry

Atty. Mark A. Castleberry

Mark Castleberry, a shareholder based in the firm’s Knoxville office, has a varied litigation-based practice focusing on the area of health care law to include medical malpractice and long-term care defense, as well as, product liability defense, business litigation, insurance law, personal injury defense, and professional negligence. Mr.

Knoxville Knoxville 21 yrs experience 21 year
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Profile Summary

About Mark A. Castleberry at a glance

Mark A. Castleberry is a Shareholder based in Knoxville, Tennessee, practicing at Lewis Thomason, P.C.. They have 21+ years of legal experience, licensed to practice since 2005. Their practice focuses on product liability, litigation, health care, and insurance. Admitted to practice in Tennessee U.S. District Court, Eastern District of Tennessee (2005) and Kentucky (2015). Educated at University of Tennessee College of Law (J.D., 2005) and University of Tennessee (B.A. Carson, 1995). Recognitions include Peer Reviewed. Active member of Affiliations •ALFA International •American Bar Association •Knoxville Bar Association •Tennessee Bar Association. Serands clients in Knoxville, TN and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Mark Castleberry, a shareholder based in the firm’s Knoxville office, has a varied litigation-based practice focusing on the area of health care law to include medical malpractice and long-term care defense, as well as, product liability defense, business litigation, insurance law, personal injury defense, and professional negligence
  • Mr. Castleberry has extensive experience as lead counsel representing numerous clients in complex, high exposure litigation in trial courts in both state and federal courts, at mediation, at arbitration, and on the appellate level
  • COMMUNITY ACTIVITIES As a former high school teacher and coach, Mr. Castleberry remains actively involved in his community through his continued involvement with area athletic programs, through his service with the Knoxville and Tennessee Bar Associations, and through his involvement with his local church and with various organizations, including JDRF and Autism Speaks
  • He formerly served on the board of directors for the Autism Society of East Tennessee
  • PROFESSIONAL HONORS AND ACTIVITIES •ALFA International Steering Committee for Product Liability Practice Group •Chair, Functions Committee of the Knoxville Bar Association •Named a City View Magazine Top Attorney •Member, American Inns of Court Hamilton Burnett Chapter •Member, Public Education Committee, Tennessee Bar Association •Graduate, Tennessee Bar Association Leadership Class, 2012 •Named to The Best Lawyers in America , Medical Malpractice - Defendants and Insurance Litigation •Named by Super Lawyers a Mid-South Rising Star, 2012- 2015

Practice Areas Explained

Mark A. Castleberry's Areas of Practice

Each practice area below reflects the types of cases Mark A. Castleberry handles, with a brief overview of what that area of law covers.

Product Liability

Mark A. Castleberry is one of 66,193 product liability attorneys indexed nationally. Browse product liability attorneys in Tennessee →

Civil Litigation

Civil litigation attorneys for breach of contract, business disputes, civil rights, and class action lawsuits.

Mark A. Castleberry is one of 454,532 litigation attorneys indexed nationally. Browse litigation attorneys in Tennessee →

Health Care Law

Health care attorneys for HIPAA, Medicare, Medicaid, regulatory compliance, and medical licensing matters.

Mark A. Castleberry is one of 66,735 health care attorneys indexed nationally. Browse health care attorneys in Tennessee →

Insurance Law

Insurance attorneys for coverage disputes, bad faith claims, denied claims, and policy disputes.

Mark A. Castleberry is one of 121,912 insurance attorneys indexed nationally. Browse insurance attorneys in Tennessee →

Jurisdictional Context

Why local counsel matters in Tennessee

Practicing law in Tennessee. Legal matters in Tennessee are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Knoxville are typically filed in the local municipal court or the appropriate Tennessee state district court, depending on subject matter and amount in controversy. An attorney licensed in Tennessee brings working knowledge of local procedural deadlines, judicial practices in this andnue, and the substantive law that applies to cases brought here. Out-of-state attorneys generally cannot represent clients in Tennessee courts without local counsel or pro hac vice admission.

Looking for additional Tennessee attorneys? Browse all attorneys in Knoxville or all attorneys in Tennessee.

Frequently Asked

Common questions about Mark A. Castleberry

Where is Mark A. Castleberry's law office located?
Mark A. Castleberry's law practice is located in Knoxville, Tennessee. The firm is Lewis Thomason, P.C.. You can contact the office directly through this profile page.
What practice areas does Mark A. Castleberry handle?
Mark A. Castleberry focuses on product liability, litigation, health care, insurance. Each practice area listed reflects experience handling cases of that type in Tennessee.
How long has Mark A. Castleberry practiced law?
Mark A. Castleberry has 21+ years of legal experience and has been licensed since 2005.
Where did Mark A. Castleberry go to law school?
Mark A. Castleberry earned their education at (J.D., 2005); (B.A. Carson, 1995).
How can I contact Mark A. Castleberry for a consultation?
You can contact Mark A. Castleberry directly through this profile page. Click "Ask the Attorney" to submit a question, or "Schedule a Consultation" to book a meeting. Most claimed-profile attorneys respond within one business day.
What awards or recognition has Mark A. Castleberry received?
Mark A. Castleberry's notable recognition includes: Peer Reviewed.

Education

J.D.
University of Tennessee College of Law
- 2005
B.A. Carson
University of Tennessee
- 1995

Awards

Peer Reviewed

Bar Admissions

Tennessee U.S. District Court, Eastern District of Tennessee
Admitted: 2005
Kentucky
Admitted: 2015

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