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Pediatric Gastroenterology Providers

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We have the resources to present a diversity of specialists to diagnose and treat digestive and nutritional conditions in infants, children and adolescents from every possible angle.

Beyond our leading-edge technology, the Division of Gastroenterology, Hepatology and Nutrition at Children’s Health is nationally recognized because of our multi-specialty team of experts.

John Andersen

John Andersen, M.D., is the vice chair for clinical operations and the interim director of the Division of Child Neurology at Children's Health℠. Dr. Andersen is also the former director of the Division of Pediatric Gastroenterology, a role he filled for 21 years. He earned his medical degree from the University of Pennsylvania School of Medicine and completed a residency in pediatrics at Children's Medical Center and a fellowship in pediatric gastroenterology at UT Southwestern Medical Center.

Michele Alkalay

Michele Alkalay, M.D., earned her medical degree from the Sackler School of Medicine - Tel Aviv, Israel. She completed her residency in pediatrics and her fellowship in pediatric gastroenterology, hepatology and nutrition at UT Southwestern Medical center and Children's Health℠. Dr. Alkalay's clinical interests include celiac disease, inflammatory bowel disease, fatty liver disease, gastroesophageal reflux disease, eosinophilic esophagitis, chronic abdominal pain, irritable bowel syndrome, constipation and encopresis.

Amal Aqul

Amal Aqul, M.D., is physician with the Transplant team at Children’s Health℠. She treats complications of the digestive system in children, having studied extensively the evaluation, diagnosis and management of the various diseases of the gastrointestinal tract in children. Dr. Aqul earned her medical degree at the Cairo University Faculty of Medicine, completed a residency in pediatrics and a fellowship in pediatric gastroenterology at UT Southwestern Medical Center, and completed a fellowship in pediatric hepatology and liver transplant at Boston Children's Hospital.

Sarah Barlow

Sarah E. Barlow, M.D., M.P.H., received her medical degree from UT Southwestern. Dr. Barlow completed her pediatric residency at Brown University in Rhode Island, and a fellowship in pediatric gastroenterology and nutrition at Tufts School of Medicine in Boston. She also earned a Masters of Public Health from Harvard School of Public Health. Her interests include management of obesity and NAFLD in children and adolescents. In addition to caring for gastrointestinal conditions, Dr. Barlow oversees an integrated program in obesity care that spans community programs, primary healthcare and tertiary care.

Bradley Barth

Bradley Barth, M.D., is a pediatric gastroenterologist at Children's Health℠ and professor of pediatrics at UT Southwestern Medical Center. Dr, Barth has been named a Best Pediatric Specialist in Dallas every year since 2010 and also twice won the North American Society for Pediatric Gastroenterology, Hepatology and Nutrition Endoscopy Prize.

Nandini Channabasappa

Nandini Channabasappa, M.D., received her medical degree from the University of the West Indies in Trinidad. She completed her residency in pediatrics at Henry Ford Hospital and Children’s Hospital of Michigan, and fellowship in pediatric gastroenterology, hepatology and nutrition at UT Southwestern Medical Center. Her clinical interests include intestinal failure and short gut syndrome. Dr. Channabasappa is currently the director of the Intestinal Rehabilitation Program at Children’s Health.

Edaire Cheng

Edaire Cheng, M.D., is a gastroenterologist at Children’s Health℠ who specializes in eosinophilic esophagitis. Dr. Cheng received her medical degree from UT Southwestern, where she also completed her internship and residency in pediatric medicine and her fellowship in pediatric gastroenterology, hepatology and nutrition. Dr. Cheng’s clinical interests include eosinophilic esophagitis, gastroesophageal reflux disease and eosinophilic gastrointestinal disease.

Aakash Goyal

Dr. Aakash Goyal is an assistant professor of pediatrics at UT Southwestern Medical Center. His clinical interests are eosinophilic gastrointestinal disease, general gastrointestinal disorders, inflammatory bowel disease, liver disease, and malabsorption.

Bhaskar Gurram

Bhaskar Gurram, M.D., earned his medical degree at Jawahar Lal Nehru Medical College in India. He completed residencies in pediatrics at All India Institute of Medical Sciences and Children's Hospital of Michigan, followed by a fellowship in pediatric gastroenterology in the Medical College of Wisconsin Affiliated Hospitals Program. He has clinical expertise in gastrointestinal manifestations of immune deficiency, immune dysregulation disorders and inflammatory bowel disease (IBD).

Ricardo Medina-Centeno

Ricardo Medina-Centeno, M.D., is a pediatric gastroenterologist at Children's Health specializing in aerodigestive disorders and pediatric motility disorders. He received his medical degree from the University of Puerto Rico and he completed his residency in pediatric gastroenterology at UT Southwestern Medical Center.

Ashish Patel

Dr. Ashish Patel founded and continues to develop the Southwestern Pediatric Inflammatory Bowel Disease Center at Children's Health℠. Dr. Patel serves as vice chair of the Medical Advisory Board of the Crohn's and Colitis Foundation of America. He is also the medical director of Camp Oasis, a camp for children with IBD. Dr. Patel earned his medical degree from Texas A&M Health Science Center College of Medicine. After an internship and residency in pediatrics at Scott and White Memorial Hospital, he completed a fellowship in pediatric gastroenterology at UT Southwestern Medical Center.

Charina Ramirez

Charina Ramirez, M.D., earned her medical degree from the University of Texas Medical Branch at Galveston. After completing her internship and residency in pediatrics at Children's Health℠, Dr. Ramirez completed a fellowship in pediatric gastroenterology, hepatology and nutrition at Children's Medical Center. Her clinical interests include celiac disease, fatty liver disease, gastroesophageal reflux disease (GERD) and inflammatory bowel disease (IBD).

Norberto Rodriguez-Baez

Norberto Rodriguez-Baez, M.D., earned his medical degree at the University of Puerto Rico School of Medicine, where he also completed his residency in pediatrics. Dr. Rodriguez-Baez then went to Stanford University Medical Center in California, where he completed his fellowship in pediatric gastroenterology. He is board-certified in general pediatrics, pediatric gastroenterology and transplant hepatology. His research interests include hepatology and teaching. Currently, he is participating in studies sponsored by the National Institutes of Health on viral hepatitis and acute liver failure.

Isabel Rojas Santamaria

Isabel Rojas Santamaria, M.D., earned her medical degree at Colegio Mayor de Nuestro Senora del Rosario in Colombia. Dr. Rojas completed her residency in pediatrics at Oklahoma State University Medical Center and her fellowship in pediatric GI/nutrition at Children's Health℠. Her clinical interests include general pediatric gastroenterology and hepatology with a focus on liver diseases.

Rinarani Sanghavi

Dr. Rinarani Sanghavi is director of neurogastroenterology and GI motility and co-director of the Functional Abdominal Pain and the Pediatric Aerodigestive programs at Children’s Health℠. She earned her medical degree from Seth G.S. Medical College in India. Dr. Sanghavi specializes in pediatric GI motility, neurogastroenterology, aerodigestive disorders, abdominal pain, anorectal malformations and bowel management.

Meghana Sathe

Meghana Sathe, M.D., earned her medical degree from the University of Miami Miller School of Medicine. Dr. Sathe completed her internship and residency in pediatrics and her fellowship in pediatric gastroenterology and nutrition at Children's Health℠. Her clinical interests are general gastroenterology, hepatology and nutrition. She has a special interest in cystic fibrosis and is the co-medical director of the Claude Prestidge Cystic Fibrosis Foundation Clinic at Children's Health. She also serves on the Medical Advisory Board of The Alagille Syndrome Alliance.

Mhammad Gaith Semrin

M. Gaith Semrin, M.D., earned his medical degree from the University of Jordan Faculty of Medicine and interned at Al-Basheer Hospital-Ministry of Health in Jordan. Dr. Semrin completed his residency in pediatrics and a fellowship in pediatric gastroenterology at Tuft Medical Center in Boston, as well as a fellowship in pediatric gastroenterology at Children's Hospital Boston. His interests are inflammatory bowel disease as well as general gastroenterology (reflux, vomiting, constipation, functional abdominal pain, irritable bowel syndrome, failure to thrive, diarrhea, poor weight gain and eosinophilic esophagitis), hepatology, and nutrition.

Luis Sifuentes-Dominguez

Luis Sifuentes-Dominguez, M.D., received his medical degree at Universidad de LaSalle in Mexico City. He completed his pediatric residency at the University of Connecticut School of Medicine, and his fellowship in pediatric gastroenterology at UT Southwestern Medical Center. His interests include genetic causes and pathogenesis of inflammatory bowel disease (IBD). Dr. Sifuentes-Dominguez is working to understand the molecular basis of early-onset IBD, supported by a departmental, NIH-sponsored Child Health Research Career Development Award.

David Troendle

David Troendle, M.D., is a pediatric gastroenterologist and the Director of Endoscopy at Children's Health℠.  He is also Director of the Pediatric Pancreas Center at Children's Health and earned his medical degree at UT Southwestern Medical School. He completed his pediatrics residency at Children's Health/UT Soiuthwestern, where he was appointed co-chief pediatric resident. He then went on to complete his fellowship in pediatric gastroenterology at UT Southwestern. Dr. Troendle’s clinical interests are advanced and therapeutic endoscopy in children, including ERCP and EUS.

Lily Iteld

Lily Amanda Iteld, Ph.D., board certified by the American Board of Professional Psychology, specializes in supporting children and families living with celiac disease. She earned her graduate degree at the University of Washington School of Medicine and performed her internship in the Dallas Independent School District.  

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