Claudia Phen, M.D. Titles and Appointments Assistant Professor Schools Medical School Departments Pediatrics You have reached the Academic Profile. For more information on the doctor and patient care, please visit the clinical profile. Biography Claudia Phen, M.D., is an Assistant Professor in the Department of Pediatrics at UT Southwestern Medical Center. She specializes in gastroenterology, hepatology, and nutrition, focusing on gastrointestinal polyposis, hereditary GI cancer syndromes, and liver disease. Dr. Phen earned her medical degree at the University of Florida College of Medicine. She completed a residency in pediatrics at Johns Hopkins All Children’s Hospital and received advanced training through a pediatric gastroenterology, hepatology, and nutrition fellowship at UT Southwestern and Children’s Health. Certified by the American Board of Pediatrics in General Pediatrics and Pediatric Gastroenterology, she joined the UT Southwestern faculty in 2021. Dr. Phen is a member of the North American Society for Pediatric Gastroenterology, Hepatology & Nutrition (NASPGHAN) through which she is an active member of the Pediatric Polyposis Special Interest Group. She has delivered numerous presentations, both locally and nationally, and published several peer-reviewed articles related to her area of expertise. She has a special interest in gastrointestinal polyposis syndromes, hereditary GI cancer syndromes, and liver diseases. She enjoys patient care and teaching medical learners. She strives to educate and empower her patients so they can lead longer, healthier lives. In her spare time when not at work, Dr. Phen enjoys traveling, trying new restaurants, and spending time with her husband, son, and two dogs. Education Medical School University of Florida College of Medicine (2015) Residency Johns Hopkins Medicine All Children's Hospital (2018), Pediatrics Fellowship UT Southwestern/Children's Medical Center (2021), Pediatric Gastroenterology Research Interest Hereditary GI Cancer Syndromes Liver Disease Pediatric Polyposis Publications Clinical impact and diagnostic yield of small bowel capsule endoscopy in children Kaihlanen K, Zhang S, Phen C, Rojas I Journal of pediatric gastroenterology and nutrition 2026 Feb 82 389-397 Pediatric Lynch syndrome: Clinical, genotypic, and left-sided patterns of colorectal cancer Phen C, Rojas I, Friesen HJ, Swaggart K, Flahive CB, MacFarland SP, Attard T Journal of pediatric gastroenterology and nutrition 2026 From Genes To Gut: Evolving Strategies in Pediatric Polyposis Syndromes Rojas I, Phen CC Current Treatment Options in Pediatrics 2025 Dec 11 Current Practice of Hereditary Polyposis Syndromes in Children: A Survey of Providers Treating Pediatric Patients Kurowski JA, Phen C, Liska D, Kay MH, DeRoss AL, Worley S, Burke CA, Attard TM Cancer Prevention Research 2025 Oct 18 603-614 Guidelines on Management of Hereditary Polyposis Syndromes in Pediatric Patients: Agreement, Disagreement and Where It Matters Hudson T, Phen C, Rojas I, Cohen S, Hyer W, Attard T Gastrointestinal Disorders 2025 Mar 7 Juvenile polyposis syndrome in children: The impact of SMAD4 and BMPR1A mutations on clinical phenotype and polyp burden Cohen S, Yerushalmy-Feler A, Rojas I, Phen C, Rudnick DA, Flahive CB, Erdman SH, Magen-Rimon R, Copova I, Attard T, Latchford A, Hyer W Journal of pediatric gastroenterology and nutrition 2024 Jul 79 161-167 The Role of Capsule Endoscopy in the Management of Pediatric Hereditary Polyposis Syndromes Phen C, Attard TM Journal of pediatric gastroenterology and nutrition 2023 Oct 77 442-444 Polygenic early-onset colorectal cancer in pediatric patients Phen C, Berens D, Moriarty K, Ng K, Sengupta A, Rojas I Pediatric Blood and Cancer 2022 Oct 69 Paediatric polyposis syndromes: Burden of disease and current concepts Phen C, Rojas I Current opinion in pediatrics 2021 Oct 33 509-514 MTOR inhibitors reduce enteropathy, intestinal bleeding and colectomy rate in patients with juvenile polyposis of infancy with PTEN-BMPR1A deletion Taylor H, Yerlioglu D, Phen C, Ballauff A, Nedelkopoulou N, Spier I, Loverdos I, Busoni VB, Heise J, Dale P, De Meij T, Sweet K, Cohen MC, Fox VL, Mas E, Aretz S, Eng C, Buderus S, Thomson M, Rojas I, Uhlig HH Human molecular genetics 2021 Jul 30 1273-1282 Results 1-10 of 16 1 2 Next Last Honors & Awards Presenter of the Year AwardAwarded by the UTSW Pediatric Residency Program (2023) Clinical Training GrantAwarded by the Cystic Fibrosis Foundation (2018-2020) Institutional Research GrantAwarded by Johns Hopkins All Children's Hospital (2018) Peers Recognizing Peers Resident Award for Outstanding CareAwarded by Johns Hopkins All Children's Hospital (2017) Resident Scholar of the Year AwardAwarded by Johns Hopkins All Children's Pediatric Residency Program (2017) Jean Lester Bennett Scholarship for Outstanding Performance in PediatricsAwarded by the University of Florida College of Medicine (2015) Professional Associations/Affiliations American Academy of Pediatrics (2015-2023) North American Society of Pediatric Gastroenterology, Hepatology and Nutrition (2018-2023)