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Portrait of Craig Thomas, MD, Internal Medicine specialist at Kelsey-Seybold Clinic.
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Appointments with Craig Thomas, MD

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  • About the Provider
  • Education & Board Certification
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Craig Thomas, MD, is a board-certified internist. He earned his Bachelor of Science in biochemistry and molecular biology in 2009 at Hendrix College in Conway, Ark. He received his Doctor of Medicine degree at The University of Texas Medical Branch at Galveston in 2018. Dr. Thomas completed his Internal Medicine residency in 2021 at Baylor College of Medicine in Houston and then completed a Geriatrics fellowship in June 2022, also at Baylor College of Medicine. He joined Kelsey-Seybold in July 2022.

Awards & Publications

Publications and Presentations

  • November 21 – 24, 2013 – 4th Quadrennial Meeting of the Society of Neuro-Oncology
    • “High-Throughput In Vitro Screening of Glioma Stem Cell Lines: Evaluation of Over 350 Tyrosine Kinase Inhibitors”
    • “Targeting the P13 Kinase Pathway Blocks Bevacizumab-Induced Glioblastoma Infiltration”
  • October 10, 2015 – Global Health Education Symposium held at UTMB
    • “A Systematic Review of Surgical Mission Trips”


  • June 2013 – June 2014, Research Assistant at MD Anderson Hospital, Neuro-Oncology Department.
    • Investigated novel inhibitors of P13-K-AKT pathway in treatment of glioblastoma in mouse model
  • September 2009 – March 2001, Research Assistant at UTMB, Biochemistry and Molecular Biology Dept.
    • Researched role of aldose reductase in regulating inflammatory pathways
  • June – August 2008, University of Massachusetts Amherst Institute for Cellular Engineering NSF Research Experience for Undergraduates
    • Investigated mechanism of insertion of proteins into the inner membrane of the chloroplast
  • June – August 2007, UTMB Graduate School of Biomedical Sciences Summer Undergraduate Research
    • Investigated barrier function of the intestine in regulating inflammation

Hobbies & Interests

Dr. Thomas enjoys tennis, cooking, spending time with his wife and two children, and watching the Rockets, Astros, and Texans.

Fun Facts

The most interesting place Dr. Thomas has lived in is Cheongju, South Korea, where he worked for a year as an English teacher.

His guilty pleasure is snack foods. His favorites are Flamin’ Hot Cheetos and Sour Patch Kids.

Medical School

  • The University of Texas Medical Branch at Galveston, 2018


  • Residency: Baylor College of Medicine, Houston, Texas, 2021; Fellowship: Baylor College of Medicine, Houston, Texas, 2022

Board Certifications

  • American Board of Internal Medicine - Internal Medicine

Dr. Thomas is a member of the American Geriatrics Society and the Harris County Medical society.


Summer Creek Clinic

8233 N. Sam Houston Parkway E.,
Humble, TX 77396

Get Directions 713-442-2000

Hospital Affiliations

  • St. Luke's Health - Baylor St. Luke's Medical Center

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