204 Medical Drive Suite 240

Sherman, Texas 75092
​Ph: (903) 364-4525
Fax: (877) 581-1491


  • Dr. Clarke is a very caring doctor.  He goes above and beyond to make sure that his patients are take care of.  I would most definitely recommend him to friends and family members.  He has an awesome bedside manner and he listens to his patients. --- Shelbi W.
  • Dr. Clarke came highly recommended to me by a friend and I was not disappointed. His office staff is outstanding as well!!! --- Linda D.

​Hemorrhoid Banding using CRH O'Regan System

Office Hours

Monday:  8:00 a.m. - 5:00 p.m.
Tuesday:  8:00 a.m. - 5:00 p.m.
Wednesday:  9:00 a.m. - 6:00 p.m.
Thursday:  8:00 a.m. - 5:00 p.m.
Friday:  8:00 a.m. - 4:00 p.m.
Saturday & Sunday:  Closed.

Our Philosophy

In order to achieve wellness, a holistic approach which combines the patient's personal health care goals, high quality medical expertise, and evidence based interventions are essential.  In addition to this,  an intense focused on lifestyle modification, disease prevention, early diagnosis and treatment is paramount in assisting patients achieve good health.


At Grayson Digestive Disease Consultants PLLC, we perform a variety of procedures, including the following:

  • Colonoscopy
  • EGD (Esophagogastroduodenoscopy)
  • Flexible Sigmoidoscopy
  • Push Enteroscopy
  • PEG (Feeding tube placement)
  • Enteral Stent Placement
  • Esophageal Dilatation
  • Capsule Endoscopy (PillCam)
  • Hemorrhoid Banding
  • Argon Plasma Coagulation
  • Bravo PH testing
  • Radiofrequency Ablation for Barretts Esophagus