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About Dr. Ong
Bryan Ong, M.D. is a gastroenterologist in Southlake, Texas, in the Dallas-Fort Worth area.
Dr. Ong has held a Texas medical license since 2014. When we checked the Texas Medical Board's public records on Nov 10, 2026, the license was active with no disciplinary action on record.
What does a gastroenterologist do?
A gastroenterologist is a doctor who specializes in the digestive system, including the esophagus, stomach, intestines, liver, gallbladder and pancreas. They diagnose and treat conditions such as acid reflux (GERD), ulcers, irritable bowel syndrome, inflammatory bowel disease, celiac disease, gallstones and liver disease, often using endoscopy and colonoscopy. Source: Cleveland Clinic: Gastroenterologist.
Practice information
- Specialty
- Gastroenterologist
- Location
- Southlake, TX
- Texas license
- P9105, active when checked
The city comes from the Texas Medical Board (checked Nov 10, 2026). We list no street address or phone until the practice details are confirmed.
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