- American Academy of Pediatrics
- American Neurogastroenterology and Motility Society
- Colegio Médico de Perú
- Cochrane Collaboration
- Dallas County Medical Society
- International Foundation for Gastrointestinal Disorders
- North American Society for Pediatric Gastroenterology, Hepatology, and Nutrition
- Texas Medical Association
Alejandro Llanos Chea, M.D.
- Pediatrics - Gastroenterology
Biography
Alejandro Llanos Chea, M.D., is an Associate Professor in the Department of Pediatrics at UT Southwestern Medical Center.
Dr. Llanos Chea earned his medical degree at the Universidad Peruana Cayetano Heredia in Peru and completed a residency in pediatrics at John H. Stroger Jr. Hospital of Cook County in Illinois. He received advanced training through a pediatric gastroenterology, hepatology, and nutrition fellowship at Massachusetts General Hospital and a gastrointestinal motility and functional disorders fellowship at Boston Children’s Hospital.
Certified by the American Board of Pediatrics in pediatric gastroenterology, he joined the UT Southwestern faculty in 2023.
Dr. Llanos Chea is the Associate Director of the Multidisciplinary Pediatric Aerodigestive Clinic at Children’s Health. He is a Fellow of the American Academy of Pediatrics and serves on the editorial board of the journal Frontiers in Pediatrics.
Education & Training
- Residency - John H. Stroger Jr. Hospital of Cook County (2012-2015), Pediatrics
- Medical School - Universidad Peruana Cayetano Heredia/Peru (2002-2009)
- Fellowship - Massachusetts General Hospital (2015-2018), Pediatric Gastroenterology
Professional Associations & Affiliations
Honors & Awards
- North American Society for Pediatric Gastroenterology, Hepatology, and Nutrition Annual Meeting 2023, Poster of Distinction
Books & Publications
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Books
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Approach to patients with gastrointestinal tract infections and food poisoning in Feigin and Cherry's Textbook of Pediatric Infectious Diseases (9th ed.)
Llanos-Chea A, Ochoa-Woodell T (2025), Philadelphia, PA, Elsevier Health -
Nutrition and immunity in Pediatric Nutrition (8th ed.)
Llanos-Chea A, Moon A, Ganguli K (2019), Itasca, IL, American Academy of Pediatrics
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Approach to patients with gastrointestinal tract infections and food poisoning in Feigin and Cherry's Textbook of Pediatric Infectious Diseases (9th ed.)
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Publications
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Physiology of gastroesophageal reflux in the neonate
Pottorff A, Ortigoza EB, Sanghavi R, Llanos-Chea A Seminars in Perinatology 2026 Mar 50 -
Approach to Patients With Gastrointestinal Tract Infections and Food Poisoning
Ochoa TJ, Llanos-Chea A 2025 Jan 1-2 447-470.e10 -
Ineffective esophageal motility: Characterization and outcomes across pediatric neurogastroenterology and motility centers in the United States
Davis TA, Rogers BD, Llanos-Chea A, Krasaelap A, Banks D, Ambartsumyan L, Sanchez RE, Yacob D, Baker C, Rey AP, Desai C, Rottier A, Jayaraman M, Khorrami C, Dorfman L, El-Chammas K, Mansi S, Chiou E, Chumpitazi BP, Balakrishnan K, Puri NB, Rodriguez L, Garza JM, Saps M, Gyawali CP, Patel D Journal of pediatric gastroenterology and nutrition 2024 Sep 79 541-549 -
COVID-19 and the gastrointestinal tract in children
Riera-Canales C, Llanos-Chea A Current opinion in pediatrics 2023 Oct 35 585-589 -
Eosinophilic Esophagitis after Pediatric Hematopoietic Stem Cell Transplantation
Cheung D, Katz DT, Webster-Carrion A, Saad AG, Fifi A, Llanos-Chea A, Pillai AB Journal of pediatric gastroenterology and nutrition 2022 Dec 75 E117-E118 -
Probiotics for treatment of chronic constipation in children
Wallace C, Sinopoulou V, Gordon M, Akobeng AK, Llanos-Chea A, Hungria G, Febo-Rodriguez L, Fifi A, Fernandez Valdes L, Langshaw A, Saps M Cochrane Database of Systematic Reviews 2022 Mar 2022 -
Anorectal Disorders in the Era of Telemedicine
Katz DT, Saps M, Llanos-Chea A, Febo-Rodriguez L Journal of pediatric gastroenterology and nutrition 2022 Feb 74 E40-E41 -
Lymphoma in Pediatric-Onset Inflammatory Bowel Disease Treated with Infliximab Monotherapy: A Case Series
Llanos-Chea A, Shapiro JM, Winter RW, Jerger L, Menz T, Gibson M, Friedmann AM, Treaba D, Papamichael K, Cheifetz AS, Friedman S, Hamilton MJ, Winter HS Digestive Diseases and Sciences 2022 Jan 67 252-258 -
A Versatile Human Intestinal Organoid-Derived Epithelial Monolayer Model for the Study of Enteric Pathogens
Nickerson KP, Llanos-Chea A, Ingano L, Serena G, Miranda-Ribera A, Perlman M, Lima R, Sztein MB, Fasano A, Senger S, Faherty CS Microbiology Spectrum 2021 Sep 9 1-17 -
Utility of the Brussels Infant and Toddler Stool Scale (BITSS) and Bristol Stool Scale in non-toilet-trained children: A large comparative study
Velasco-Benitez CA, Llanos-Chea A, Saps M Neurogastroenterology and Motility 2021 Aug 33 -
Probiotics for treatment of chronic constipation in children
Wallace C, Gordon M, Akobeng AK, Saps M, Llanos-Chea A, Febo-Rodriguez L, Fifi A, Fernandez Valdes L, Axelrod C, Langshaw A, Hungria G, Sinopoulou V Cochrane Database of Systematic Reviews 2021 May 2021 -
The great ESKAPE: Exploring the crossroads of bile and antibiotic resistance in bacterial pathogens
Gipson KS, Nickerson KP, Drenkard E, Llanos-Chea A, Dogiparthi SK, Lanter BB, Hibbler RM, Yonker LM, Hurley BP, Faherty CS Infection and immunity 2020 Oct 88 -
Bacteriophage Therapy Testing Against Shigella flexneri in a Novel Human Intestinal Organoid-Derived Infection Model
Llanos-Chea A, Citorik RJ, Nickerson KP, Ingano L, Serena G, Senger S, Lu TK, Fasano A, Faherty CS Journal of pediatric gastroenterology and nutrition 2019 Apr 68 509-516 -
Recurrent Severe Iron Deficiency Anemia and Thrombocytopenia in an Adolescent Male
Giordano L, Llanos-Chea A, Monde A, Mulinge I, Dighe D Journal of Pediatric Hematology/Oncology 2019 Mar 41 E116-E118 -
Utility of diagnostic tests in children with functional abdominal pain disorders
Llanos-Chea A, Saps M Gastroenterology and Hepatology 2019 15 414-422 -
Shigella flexneri adherence factor expression in in vivo-like conditions
Chanin RB, Nickerson KP, Llanos-Chea A, Sistrunk JR, Rasko DA, Vijaya Kumar DK, Parra Jd, Auclair JR, Ding J, Li K, Dogiparthi SK, Kusber BJ, Faherty CS mSphere 2019 4 -
Gluten and functional abdominal pain disorders in children
Llanos-Chea A, Fasano A Nutrients 2018 Oct 10 -
Intestinal P-glycoprotein exports endocannabinoids to prevent inflammation and maintain homeostasis
Szabady RL, Louissaint C, Lubben A, Xie B, Reeksting S, Tuohy C, Demma Z, Foley SE, Faherty CS, Llanos-Chea A, Olive AJ, Mrsny RJ, McCormick BA Journal of Clinical Investigation 2018 Aug 128 4044-4056
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Physiology of gastroesophageal reflux in the neonate
Results: 1 Locations
Children's Medical Center of Dallas
1935 Medical District DriveDallas, Texas 75235 214-730-5437 Directions to Children's Medical Center of Dallas at Children's Medical Center of Dallas, Dallas