Dr Nelson Tajong is a physician serving Conroe and The Woodlands with the surrounding areas. He specializes in the treatment and management of diseases of the gastrointestinal tract such as; diarrhea, constipation, heartburn/acid reflux, GERD, hemorrhoids, IBS, crohn's disease, rectal bleeding, nausea, vomiting etc. Some of the procedures he does include: colonoscopy, upper endoscopy (EGD), ERCP, screening colonoscopy for those 50 years and above.