Isabel Cristina Rojas Santamaria, MD $$

Pediatric Gastroenterologist

Associate Professor at UT Southwestern Medical Center

Languages Spoken:


UT Southwestern Pediatric Group

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Education and Training

Medical School
Colegio Mayor/Nuestra Senora del Rosario (1994)
University of Oklahoma College of Medicine -Tulsa (2008), Pediatrics
UT Southwestern - Children's Medical Center (2012), Pediatric GI/Nutrition
Graduate School
Fundacion Universitaria De Ciencias De La Salud (1996)
Board Certification
American Board of Pediatrics/Gastroenterology
  • Research Interests

    • Capsule endoscopy
    • Cholestasis
    • Pathophysiology of itching from liver disease
    • Portal hypertension


  • Publications

    • Capsule Endoscopy and Small Bowel Enteroscopy. Isabel Rojas, Bradley Barth Pediatric Gastrointestinal and Liver Disease 2020
    • Efficacy of mTOR inhibitors in Juvenile Polyposis of Infancy. Yerlioglu D, Taylor H, Phen C, Ballauff A, Nedelkopoulou N, Spier I, Loverdos I, Busoni VB, Heise J, Dale P, De Meij T, Sweet K, Cohen M, Fox VL, Mas E, Aretz S, Eng Ch, Buderus S, Thomson M, Rojas I, Holm Uhlig, H NEJM 2020
    • CD252 (OX40L)+ Antigen Presenting Cells are Present in the Active EoE Esophageal Epithelium. Lu D, Xue Y, Goyal A, Troendle DM, Parrish C, Bird A, Medina AL, Melo D, Barth B, Patel A, Rodriguez-Baez N, Rojas I, Sathe M, Spechler SJ, Souza RF, Gill M, Cheng E Gastroenterology 2020
  • Professional Activities

    • Collaborative Group of the Americas on Inherited Gastrointestinal Cancer
    • International Society for Gastrointestinal Hereditary Tumours
    • North American Society for Pediatric Gastroenterology, Hepatology and Nutrition
    • North Texas Latin American Physicians Association
  • Awards and Honors

    • D Magazine Best Pediatric Specialist 2020
    • Intern best board review performance, Department of Pediatrics, University of Oklahoma

Where I Provide Care: