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Your Safety is Our Top Priority

Learn what measures we have taken to keep you safe.

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45? Time To Screen For Colon Cancer.

Early detection may save your life.

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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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Thank You to Our Patients

We appreciate you honoring the work we do everyday.

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Gastrointestinal Associates, P.C. Celebrates 50 Years Serving Knoxville Community

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About Us

Learn more about our center.

Prevent Colon Cancer

Learn more about colonoscopies.

Request an Appointment

Fill out the form and we will contact you to schedule the appointment.

Why Choose Us?

Our gastroenterologists and staff at The 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).

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

Our patients value the compassionate care they receive from our GI doctors and say they are likely to recommend our center for GI procedures.

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

The 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 the Knoxville community.

Patient Forms
Patient Forms

At The 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
Insurance and Billing

The Endoscopy Center accepts most major insurance. As a courtesy to you, 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. We accept cash, check or credit card.

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Meet the Doctors

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Johnny Altawil Johnny Altawil M.D. Steven J. Bindrim Steven J. Bindrim M.D. Sarkis J. Chobanian Sarkis J. Chobanian M.D., F.A.C.G., M.A.C.G. William Ergen William Ergen M.D. Jeffrey Gilbert Jeffrey Gilbert M.D. John M. Haydek John M. Haydek A.G.A.F., M.D., F.A.C.G., F.A.C.P., F.A.S.G.E Jason Huffman Jason Huffman M.D. Hannah Jones Hannah Jones D.O. Kevin Patrick Meyers Kevin Patrick Meyers MD Tejal Mistry Tejal Mistry MD Matthew Moore Matthew Moore M.D. Raj I. Narayani Raj I. Narayani M.D., F.A.C.G., F.A.S.G.E Maria B. Newman Maria B. Newman M.D. Ramanujan Samavedy Ramanujan Samavedy MD
4.9/5
4.9 /5
395 Reviews

Google
5.0/5
Sep 21, 2023
Google • The Endoscopy Center

Great dr and staff .

Google
5.0/5
Sep 20, 2023
Google • The Endoscopy Center West

A bit of a wait since I think they messed up appointment order, but otherwise good service and excellent care by Dr Gilbert!

Google
5.0/5
Sep 20, 2023
Google • The Endoscopy Center West

Top notch facility and staff. Well organized and efficient with a great dr (Matt Moore).

Google
5.0/5
Sep 16, 2023
Google • The Endoscopy Center North

Everyone there were very kind and polite and were very professional. I couldn’t have been treated any better!!

Google
5.0/5
Sep 16, 2023
Google • The Endoscopy Center

Dr Ergan has spent a lot of time helping me with my problem. I feel like he listens to what I'm going through. He just did a procedure that I've had a number of times and it was the easiest one I have ever done. His staff are so professional and at the same time, very friendly and helpful. The whole building is friendly. It's sooo easy to park, get in and out of and no parking fees. My husband has decided to see him too after my experience. I would definitely recommend him and his staff.


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Bacteria Differ in Stages of Colon Cancer Diagnosis

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