204 Medical Drive Suite 240

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

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.

Grayson Digestive Disease Consultants is North Texas’s newest gastroenterology provider. Our mission is to provide high quality care while empowering and educating the communities we serve. Our patient centered approach ensures that patients are partners in their digestive disease care.  We utilize the latest evidence based medicine, procedural techniques and technology in order to deliver superior digestive services.

Medical Staff Appointments

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.

Dr. Clarke Graduated Cum Laude from  the University Of Toledo with a Bachelors of Science in Biology with a minor in Chemistry.  He achieved his doctorate from the Philadelphia College of Osteopathic Medicine.  As a medical student, Dr. Clarke was inducted into and served as the vice president of Sigma Sigma Phi National Osteopathic Honorary Fraternity. In addition to this, Dr. Clarke also obtained a Masters in Business Administration with a concentration in healthcare administration while in medical school.

After completion of medical school, Dr. Clarke completed his internship and residency  in Internal Medicine and fellowship in Gastroenterology at the University of Medicine and Dentistry of New Jersey School of Osteopathic Medicine.  While in postgraduate training Dr. Clarke served as Chief Intern, as well as, Chief Resident in the Internal Medicine program.

Dr. Clarke is board certified in both Internal Medicine and Gastroenterology.  Special areas of interest include: Colorectal cancer, gastroesophageal reflux disease, chronic liver disease and inflammatory bowel disease.  

Jermaine G.  Clarke D.O., M.B.A.