Michael DiSiena, M.D.



245 Alvord Park Road Building B

Torrington, CT 06790

Open today 8 AM - 5 PM
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  • 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 - Torrington

Gastroenterology in Torrington, CT

Connecticut GI - Torrington

245 Alvord Park Road

Building B

Torrington, CT 06790

Open today 8 AM - 5 PM


Connecticut GI - Avon

Gastroenterology in Avon, CT

Connecticut GI - Avon

34 Dale Road

Avon, CT 06001

Open today 8 AM - 5 PM


Connecticut GI - Sharon

Gastroenterology in Sharon, CT

Connecticut GI - Sharon

29 Hospital Hill Road

Ste 1700

Sharon, CT 06069

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: Boston College, B.S., Biology, 2006
  • Graduate Education: Boston College, M.Sc., Biology, 2007
  • Medical School: Saint George's University School of Medicine, 2015
  • Internship/Residency: University of Connecticut, Primary Care Internal Medicine, 2015-2018
  • Fellowship: University of Connecticut, Gastroenterology & Hepatology, 2018-2021

Board Certification

  • Internal Medicine, 2018
  • Gastroenterology, 2021

Skills & Interests

  • Gastroesophageal Reflux Disease (GERD)
  • Eosinophilic Esophagitis
  • Barrett's Esophagus
  • Colonoscopy
  • Colorectal cancer screening
  • Capsule Endoscopy
  • Non-alcoholic fatty liver disease (fatty liver)

Professional Affiliations

  • American College of Gastroenterology
  • American Gastroenterological Association
  • American Society of Gastrointestinal Endoscopy
  • American Association for the Study of Liver Diseases


Dr DeSiena has been by far my favorite doctor ever. He is one of those rare doctors who just actually really listens to you. I also never feel like he is trying to rush me out of his office. He makes me feel like I can take as much time as I need to get all my questions answered. He is knowledge, kind, caring, and professional. Can't say enough good things about him!!

L. Google

Very pleasant experience very welcoming.

S.D. Google

Was very pleased with the care I received

J.C. Google

Great team, friendly and helpful. knowledgeable doctor. No long wait, which is appreciated.

M.G. Google

staff and the doctor Made me feel very comfortable with my visit. Warm and friendly attitude made my experience better and more comfortable dealing with an issue I'm having.

M.C. Google


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