Jonathan Williamson, M.D.



21 South Road Ste 100

Farmington, CT 06032

Open today 8 AM - 5 PM
Request Appointment

Quick Facts

  • Colon Cancer Screenings
  • IBD
  • Crohn’s Disease
  • Ulcerative Colitis
  • Acid Reflux/Heartburn
  • Expert Endoscopy and Colonoscopy
  • Currently Accepting New Patients
  • Most Insurance Plans Accepted

Connecticut GI - Farmington

Gastroenterology in Farmington, CT

Connecticut GI - Farmington

21 South Road

Ste 100

Farmington, CT 06032

Open today 8 AM - 5 PM


Connecticut GI - Hartford

Gastroenterology in Hartford, CT

Connecticut GI - Hartford

85 Seymour Street

Ste 1000

Hartford, CT 06106

Open today 8 AM - 5 PM

Request Appointment

If you are experiencing a medical emergency, please call 9-1-1. This form is intended for non-urgent appointment requests only. Our office will handle non-emergency requests within 48 hours.

Undergraduate Education

  • University of North Carolina, Bachelor of Science 2003

Medical School

  • Wake Forest University School of Medicine 2007 M.D.


  • University of Florida, Gainesville 2007-2010


  • University OF Florida, Gainesville, 2012-2013
  • Advanced Endoscopy at University of Florida, 2013 – 2014

Board Certifications

  • American Board of Internal Medicine, Certified 2010-2020
  • Gastroenterology 2013 – 2023

Professional Organizations

  • American Society of Gastrointestinal Endoscopy
  • American College of Gastroenterology
  • American Gastroenterological Association

Areas of Interest

  • Pancreatic and Biliary Disease
  • Gastrointestinal Malignancies
  • Advanced Therapeutic ERCP
  • Endoscopic Ultrasound – Diagnostic and Therapeutic
  • Stent Placement – Pancreatobiliary and Enteral
  • Endoscopic Mucosal Resection
  • Barrett’s Esophagus
  • GERD
  • Deep Enteroscopy
  • Colorectal Cancer Screening


Great doc! Knowledgeable and caring, easy to talk to.

J.S. Google

Information is explained in detail. Never feel rushed. Very thorough. Makes suggestions to manage medications for best results.

K.P. Google

Dr. Williamson was amazing dr. for my husband. He came home everyday and was excited about the positive changes dr. brought into his life. ty

J.V. Google

Exceptional Physician, attentive, detailed, exceptional listener, took time to understand what I was experiencing, calming and very knowledgeable, showed great concern about my well-being.

D.B. Google

Saw doctor on time. He is a great doctor. He was patient, reviewed my issue and discussed with me.

S.O. Google


Total Reviews


Average Rating