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Your Safety is Our Top Priority

Learn what measures we have taken to keep you safe.

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El cáncer de colon se puede prevenir.

Realícese una prueba por su familia. Realícese una prueba por usted.

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Prioritize Yourself for Care

If you’ve met your healthcare deductible, maximize your medical benefits.

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45? Time To Screen For Colon Cancer.

Early detection may save your life.

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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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About Us

Learn more about our center.

Glendora’s Best GI Doctors

Our gastroenterologists and staff at Glendora Digestive Disease Institute 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

Glendora Digestive Disease Institute 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 Los Angeles County.

Patient Forms

At Glendora Digestive Disease Institute, 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

Glendora Digestive Disease Institute 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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Mumtaz Akram Mumtaz Akram M.D. Sartaj Marty Arora Sartaj Marty Arora M.D. George Ferenczi George Ferenczi M.D. Shahnawaz S. Jaffer Shahnawaz S. Jaffer M.D. Suresht P. Sharma Suresht P. Sharma M.D. Ankush Sharma Ankush Sharma M.D. Osama A. Sidhom Osama A. Sidhom M.D. Adam J. Snyder Adam J. Snyder M.D. Patrick B. Truong Patrick B. Truong M.D.
4.7/5
4.7 /5
94 Reviews

Google
5.0/5
May 31, 2023
Google • Glendora Digestive Disease Institute

Well, considering the procedure that someone has done there, everyone is very pleasant and makes you feel great. Despite the fact that I didn't bring any flowers to my doctor,he was very gentle. 😆

Google
5.0/5
May 30, 2023
Google • Glendora Digestive Disease Institute

All the staff was very professional and with good customer services skills . Good experience

Google
5.0/5
May 30, 2023
Google • Glendora Digestive Disease Institute

Staff was very polite and helpful. Dr was very patient.

Google
5.0/5
May 27, 2023
Google • Glendora Digestive Disease Institute

Had my colonoscopy here and I can’t thank everyone enough for such a great experience. Everyone was so friendly and made me feel at ease through the entire process. Everything was clean and well organized. I waited maybe five minutes in the lobby and from there it was go time. No waiting around for long periods of time, but didn’t feel rushed either. Thank you Noel for greeting with me a smile that put me at ease right away! Michelle and Maira then prepped me and explained everything. Yesenia and Cristina cared for me during the procedure and Lydia took care of me after. Dr. Snyder who performed the procedure was great too! Highly recommend Glendora Digestive Disease Institute!

Google
5.0/5
May 24, 2023
Google • Glendora Digestive Disease Institute

I have no comments. Everything looks perfect.


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Glendora Digestive Disease Institute
1794 S. Barranca Ave.,
Glendora, CA 91740

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