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Your Safety is Our Top Priority

Learn what measures we have taken to keep you safe.

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Are You 45 or Older?

Colorectal cancer numbers are rising for people younger than 50. Early detection is key to detect or even prevent the disease.

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Patient Experience Exceeds Expectations

Our patient experience scores exceed national averages

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No Out-of-Pocket Expense for Your Colonoscopy

By May 31, 2022, most health insurance plans will fully cover this procedure to evaluate a positive stool-based test for colon cancer. Check with your insurance about your coverage.

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How We're Keeping You Safe

Learn what steps we've added to keep you safe

Prevent Colon Cancer

Learn more about colonoscopies.

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Fill out the form to request an appointment.

About Us

Learn more about our center.

Stamford’s Best GI Doctors

Our gastroenterologists and staff at Diagnostic Endoscopy Center are dedicated to providing quality, affordable care to the community in our quest to lower colon cancer rates and treat an array of digestive diseases, including Crohn’s Disease, irritable bowel syndrome (IBS) and gastroesophageal reflux disease (GERD).

We believe in compassionate medicine, where patients feel reassured and unrushed. We hold ourselves to the highest of standards, as our center is accredited by the Accreditation Association for Ambulatory Health Care (AAAHC).

Our board-certified GI doctors specialize in a myriad of GI procedures, including colonoscopy, flexible sigmoidoscopy and upper endoscopy.

If you are due for a colonoscopy or in need of a GI procedure, don’t put it off any longer. Give us a call today!

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For Your Visit

Diagnostic Endoscopy Center is committed to ensuring that your experience with us is relaxed and worry-free, from consultation through recovery. To assist us, we ask that you read and comply with all guidelines.

We’re pleased to partner with StopColonCancerNow to help boost colon cancer screenings and prevention for residents in Fairfield County.

Patient Forms

At Diagnostic Endoscopy Center, your time is as valuable to us as it is to you. That’s why we provide online access to a variety of forms that patients may complete before their visit. The following documents will help us expedite the check-in process for your appointment. Please take a moment to download and print the appropriate form(s).

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Insurance and Billing

Diagnostic Endoscopy Center accepts most major insurance. We will bill your insurance carrier for you; however, we cannot tell you what your policy will cover. Since your insurance policy and coverage are between you and your carrier, we urge you to contact them prior to your procedure. You will be responsible for any co-pays and deductibles.

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Meet Our Physicians

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Andrew Antony Andrew Antony M.D. Neda Khaghan Neda Khaghan M.D. Scott Kramer Scott Kramer M.D. Darlene S. Negbenebor Darlene S. Negbenebor M.D. Neal J. Schamberg Neal J. Schamberg M.D. Alan E. Selkin Alan E. Selkin M.D. Stuart Waldstreicher Stuart Waldstreicher A.G.A.F., F.A.C.G., M.D. Felice R. Zwas Felice R. Zwas M.D.
5.0/5
5.0 /5
36 Reviews

Google
5.0/5
Aug 9, 2022
Google • Diagnostic Endoscopy Center

Very nice and professional staff.

Google
5.0/5
Jul 26, 2022
Google • Diagnostic Endoscopy Center

Fast, efficient, and professional. They made a stressful procedure easy and straightforward. Staff super friendly and helpful. Bring warm clothing--they keep it ice cold! Aside from that, great experience.

Google
5.0/5
Jul 19, 2022
Google • Diagnostic Endoscopy Center

Very professional staff. Right on time with scheduled appointment. Seamless from reception to recovery. Dr Kramer has excellent bedside manner. Would highly recommend this practice.

Google
5.0/5
Jul 12, 2022
Google • Diagnostic Endoscopy Center

Great people!!!

Google
5.0/5
Jul 5, 2022
Google • Diagnostic Endoscopy Center

No issues with the procedure and everyone involved; also nothing found (phew!). My only negative is that I wish the junk I had to drink had a taste other that sea water. Surely it would make the experience easier if it was tastier? But, all done and know what to expect when my turn comes again.

Google
5.0/5
Jun 25, 2022
Google • Diagnostic Endoscopy Center

Good

Google
5.0/5
Jun 7, 2022
Google • Diagnostic Endoscopy Center

My experience was unpleasant. The colonoscopy procedure is carried out under anesthesia, but my reaction to the medication necessitated aspiration while I was unconscious. I awoke with a sore throat and fluid in my lungs which required a 10 day course of antibiotics before normal respiration returned. The good news is that no further colonoscopies will be necessary.

Google
5.0/5
May 26, 2022
Google • Diagnostic Endoscopy Center

Very organized, appointments run on time, and staff is very friendly. Dr. Dettmer is an amazing doctor!

Google
5.0/5
May 13, 2022
Google • Diagnostic Endoscopy Center

All staff is very professional and kind

Google
5.0/5
May 13, 2022
Google • Diagnostic Endoscopy Center

Smooth process …. Dr. Zwas is exceptional and kind …. Must mention about nurse Pat , she made me feel very comfortable….


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Diagnostic Endoscopy Center
778 Long Ridge Road ,
Stamford, CT 06902

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