John Fletcher, M.D.



1615 North US Highway 75 Ste. A

Sherman, TX 75090

Open today 8 AM - 5 PM

Quick Facts

  • Board Certified Gastroenterologist
  • Currently Accepting New Patients
  • Most Insurance Plans Accepted
  • Performs Colonoscopies
  • Infusion Services Available

GI Alliance - Sherman Endoscopy Center

Gastroenterology in Sherman, TX

GI Alliance - Sherman Endoscopy Center

1615 North US Highway 75

Ste. A

Sherman, TX 75090

Open today 8 AM - 5 PM


GI Alliance - Sherman, TX

Gastroenterology in Sherman, TX

GI Alliance - Sherman, TX

1615 North US Hwy 75

Ste. A

Sherman, TX 75090

Open today 8 AM - 5 PM

Request an Appointment

If you are experiencing a medical emergency, please call 9-1-1. This form is intended for non-urgent appointment requests only. Non-emergency requests will be responded to within 24-48 hours.

About John Fletcher, M.D.

Why did you choose to specialize in Gastroenterology?

I discovered an interest in Gastroenterology during medicine rotation as a third year student.

Do you have a specialty of interest within GI?


Where did you study?

I attended the University of Texas at Austin for undergraduate studies and then the University of Texas Medical School at San Antonio for medical school. I completed my internship, residency and fellowship in gastroenterology at University of Texas Health Science Center, San Antonio, TX.

What certifications do you hold?

Board Certified in Internal Medicine and Gastroenterology.

What do you and your family enjoy doing in your spare time?

Golf and tennis.

Please list your professional affiliations.

Texas Society of Gastroenterology and Endoscopy.


Excellent experience. I checked in a little early. They took me in quickly to vist wth the nurse. She was efficient and friendly. Dr Fletcher came in soon after for a consultation. I enjoyed his curiosity and professionalism.

J.C. Google

It went well. Good to see has been a long time. Nice office staff, easy to find location. Will be back for procedure in a couple of weeks.

P. Google

My first visit with Dr. Fletcher & staff was quite rewarding. Everything happened on time. Pre-appointment data that was collected prior to my actual visit contributed to an excellent experience.

T.T. Google

Great people highly recommend Dr Fletcher

F.B. Google

Very pleased with all aspects of care

B.F. Google


Total Reviews


Average Rating