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About Our Team


Dr. Mark Lockhart

Each year since 1990 I have had the required number of continuing education hours to maintain my license in Chiropractic and certification in Meridian Therapy. If needed, I can get the exact information for you from the Missouri State Board of Chiropractic Examiners.


Apr 90 -     Practicing Chiropractor     

Present    Marshall, Missouri 65340     

Apr 89 -     Student Intern     

Mar 90    Montgomery Health Center Chesterfield, Missouri


Jan 87 - Logan College of Chiropractic

Apr 90 1851 Schoettler Rd., Chesterfield, MO 63006-1065        

             Bachelor of Science – Human Biology, April 1989

             Doctor of Chiropractic, April 1990

             Cumulative GPA 3.234/4.00


Sep 86 - Park College

Dec 86 - Kansas City, Missouri


Jan 86 - Johnson County Community College

May 86- Overland Park, Kansas


Sep 83 - Mid-America Nazarene College (now University)

May 86 - Olathe, Kansas


Sep 81 - St. Louis University

May 83 - St. Louis University


Sep 79 - Parkway South High School

May 83 - Ballwin, Missouri



Missouri State Board of Chiropractic Examiners

Missouri Chiropractic Physicians Association     

National Board of Chiropractic Examiners     

American Chiropractic Association

Associations & Memberships
Missouri State Chiropractors Association
Marshall Cumberland Presbyterian
Missouri State Chiropratic Association
American Chiropractic Association
Gideon's International

Barbara works in the front office and the billing areas. She is our office manager. Loves people and enjoys helping others achieve better health through chiropractic.


  • May 1987 - BA in Elementary Education – Mid-America Nazarene University

  • September 1990 - Certificate in GED/ESL from Central Missouri State University

Associations & Memberships

  • Member of Marshall Cumberland Presbyterian

  • August 2011- Founding member/elected President and current Secretary of S.O.U.L. Team

  • 2018 – CA Instructor with AMC

  • 2022 Vitalleo, Certificate of Achievement

  • 2023 Zing Performance Certified Provider


Barb Lockhart

Office Manager

Kirsten 2021.jpg

Kirsten Lucus

Kirsten Lucas 

I was born and raised in Marshall, Missouri. I enjoy arts and crafts of any and all kinds; spending time with family and friends; singing in church; and exploring all things magical, mythical and majestic. 

I love working at Lockhart Chiropractic because of the care and knowledge we provide our patients. We get to inspire hope and provide relaxation as well as relief.  I get to see that firsthand working in the therapy position.


Damari Martinez

Damari Martinez

I love helping others.  

I provide translation services for Lockhart Chiropractic. 

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