Jeffrey Gelwan, M.D.



300 Western Boulevard Ste A

Glastonbury, CT 06033

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
  • Most Insurance Plans Accepted

Connecticut GI - Glastonbury

Gastroenterology in Glastonbury, CT

Connecticut GI - Glastonbury

300 Western Boulevard

Ste A

Glastonbury, CT 06033

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.

Dr. Gelwan is retired effective 8/31/2023. To schedule an appointment with the MDs providing care for Dr. Gelwan’s patients following his retirement, please call 860-657-1920.

About Jeffrey Gelwan, M.D.

Undergraduate Education

  • Brooklyn College 1977 B.S., C.U.N.Y.

Medical School

  • S.U.N.Y. Downstate Medical Center (Brooklyn) 1981 M.D.


  • Hartford Hospital 1981-1984


  • Nassau County Medical Center (NY) Gastroenterology 1985-1987
  • Hartford Hospital John C. Leonard Fellow 1987-1988

Board Certifications

  • Internal Medicine 1984
  • Gastroenterology 1989

Faculty Appointments

  • University of Connecticut School of Madicine, Clinical Instructor, Medicine

Professional Organizations

  • American College of Physicians
  • American College of Gastroenterology
  • Hartford County Medical Association
  • Connecticut State Medical Society
  • Internal Medicine

Areas of Interest

  • Colorectal Cancer Screening
  • Gastroesophageal Reflux Disease (GERD)
  • Esophageal Motility Disorders
  • Irritable Bowel Syndrome (IBS)
  • Celiac Disease


Excellent Dr who never rushes my visits, offers good advice, and is very thorough. Highly recommend him and his staff.

A.C. Google

Dr. Gelwan is an amazing, caring, and knowledgeable physician. He had taken care of members of my family and myself for years. He had quickly and expertly caught conditions and made sure we were all well in a quick and painless fashion. I highly recommend him. He is the BEST!

C.C. Google

Dr. Jeffrey Gelwan is professional & knowledgeable and responds to all patient questions thoroughly and patiently as does his staff. Dr. Gelwan is very comprehensive in sharing procedure and test results. His office responds expeditiously and always looks to schedule appointments best suited for the patient. I always feel I am in good hands with Dr. Gelwan and his team!

E.W. Google

I have been a patient of Dr. Gelwan for more than 10 years. He is very knowledgeable, caring and, most of all, is always willing to listen when I have a problem or concern to discuss.

K.K. Google

Dr Gelwan, is a great GI Dr. He cares about his patients and does all that is needed to fix the issue at hand. I have known Dr Gelwan for many years and can not recommend this good Doctor high enough.

R.A. Google


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