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The staff of Cook Children's Gastroenterology provides care, diagnosis, treatment and education for children and adolescents with diseases and disorders of the digestive system.

Conditions we treat

  • Abdominal pain
  • Nausea/vomiting
  • Dyspepsia (indigestion)
  • GERD (gastroesophageal reflux disease)
  • Diarrhea
  • Inflammatory bowel disease
  • Celiac disease (intestinal malabsorption)
  • Short gut syndrome
  • Chronic liver disease
  • Eosinophilic disorders
  • Malabsorptive disorders
  • Failure to thrive
  • Constipation/Hirschsprung's disease
  • Encopresis (a bowel movement disorder)
  • Irritable bowel syndrome
  • Gastrointestinal bleeding
  • Feeding disorders/swallow dysfunction

Gastrointestinal motility program

The gastrointestinal motility program at Cook Children's is one of the first pediatric motility programs in the southern United States.

Conditions we treat
The program, led by Bankole Osuntokun M.D., evaluates a wide variety of disorders resulting from abnormal motility including:

  • Achalasia
  • Constipation and encopresis
  • Delayed gastric emptying
  • Fecal incontinence
  • Functional abdominal pain
  • Gastroesophageal reflux
  • Hirschsprung's disease
  • Intestinal pseudo-obstruction
  • Irritable bowel syndrome
  • Problems following fundoplication
  • Dumping syndrome
  • Postoperative problems following GI surgery
  • Imperforate anus
  • Myelomeningocele and other neurologic conditions that lead to fecal incontinence and constipation
  • Atypical symptoms of gastroesophageal reflux, intractable nausea and vomiting
  • Tracheo-esophageal fistula

Other programs

Cook Children's also offers a constipation management program and therapeutic endoscopy, including pyloric balloon dilation for delayed gastric emptying or gastric outlet obstruction.

  • Esophageal impedance/pH study
  • Hydrogen breath test
  • Video capsule endoscopy
  • Inpatient, outpatient and emergency procedures
  • Nutrition support

Esophageal and anorectal studies are offered in a non-sedated, procedural setting. Antroduodenal and colonic studies are offered with catheter placement under anesthesia with an inpatient status.

Studies offered

  • Anorectal manometry
  • Antroduodenal manometry
  • Colonic manometry
  • Esophageal manometry

Meet our physicians

Physician: Specialty: Biography:
Nicholas Ogunmola, M.D. Gastroenterology View biography
Bankole Osuntokun, M.D. Gastroenterology View biography
Samson Cantu, M.D. Gastroenterology View biography
Lyn Hunt, M.D. Gastroenterology View biography
Jane Keng, M.D. Gastroenterology View biography

Support groups and events

Please call 682-885-1990 for more information on the following support group programs:

  • IBD support group
  • Motility and short gut support group
  • Celiac disease educational resources


For questions on billing/insurance, please contact Michelle Simon at 817-605-28922.