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Michiana Endoscopy CenterMichiana Endoscopy Center

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Beat the Trend. Get Screened at 45!

More Young Adults Are Getting Colon Cancer.

Schedule Your Colonoscopy Today

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.

Request an Appointment

Fill out the form to request an appointment.

About Us

Learn more about our center

South Bend’s Best GI Doctors

Our gastroenterologists and staff at Michiana 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.

The physicians at Michiana Endoscopy Center not only meet but exceed U.S. benchmarks for quality in colonoscopy. Additionally, 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

Michiana 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.com to help boost colon cancer screenings and prevention for residents in St. Joseph County.

Patient Forms

At Michiana 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

Michiana 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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Express Scheduling

If you’re over 50 and haven’t had a colonoscopy, take advantage of the Express Scheduling Option at Michiana Endoscopy Center. By scheduling directly with our office, you will be scheduled with a Board-Certified gastroenterologist at a time convenient to you. This saves time and reduces your out-of-pocket cost for the same care and treatment.

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Meet Our Physicians

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Oliver D. Gilliam Oliver D. Gilliam M.D., F.A.C.G. Michael A. Manbeck Michael A. Manbeck M.D. John G. Mathis John G. Mathis M.D. Pankaj A. Patel Pankaj A. Patel M.D. Ravi Patel Ravi Patel M.D. Hassam Shah Hassam Shah M.D. Thomas R. VanderHeyden, Jr. Thomas R. VanderHeyden, Jr. D.O.
4.8/5
4.8 /5
2,166 Reviews

Google
5.0/5
Feb 2, 2026
Google • Michiana Endoscopy Center

Everyone was very professional. Dr visited pre and post. I was comfortably asleep during procedure. A nurse walked me out to my car and called the next day to check on me. Very smooth encounter.

Google
5.0/5
Feb 2, 2026
Google • Michiana Endoscopy Center

Great place! Awesome staff that explained everything and treated me very well. Thank you !!!

Google
5.0/5
Feb 2, 2026
Google • Michiana Endoscopy Center

Was worried not knowing what to expect, totally professional yet personable I would highly recommend.

Google
5.0/5
Feb 2, 2026
Google • Michiana Endoscopy Center

Google
5.0/5
Feb 2, 2026
Google • Michiana Endoscopy Center

Excellent experience


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Michiana Endoscopy Center
53830 Generations Drive ,
South Bend, IN 46635

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