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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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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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Gastrointestinal Specialists, PC is Now Offering Telemedicine

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Thank You To Our Community

Gastrointestinal Specialists has cared for patients for 20 years.

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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 colon cancer screening.

Request an Appointment

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About Us

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Troy’s Best GI Doctors

Our gastroenterologists and staff at Gastrointestinal Specialists, PC and Gastrointestinal 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, ulcerative colitis, 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 the center is accredited by the Accreditation Association for Ambulatory Health Care (AAAHC).

Our board-certified GI doctors specialize in performing a myriad of GI procedures, including colonoscopy, upper endoscopy, esophageal dilation, flexible sigmoidoscopy, small bowel enteroscopy and video capsule endoscopy.

The physicians at Gastrointestinal Specialists, PC and Gastrointestinal Endoscopy Center not only meet but exceed U.S. benchmarks for quality in colonoscopy. See our scores.

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 need to see a gastroenterologist, don’t put it off any longer. Give us a call today!

Awards

Our patients appreciate our friendly staff and our state-of-the-art facility. Patient care is our top priority, and this is evidenced by our 2019 Press Ganey Guardian of Excellence Award for Patient Experience.

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For Your Visit

Gastrointestinal Specialists, PC and Gastrointestinal Endoscopy Center are 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 greater Troy.

Patient Forms

At Gastrointestinal Specialists, PC, your time is as valuable to us as it is to you. That’s why we provide online access to a variety of forms you may complete before your 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

Gastrointestinal Endoscopy Center accepts most major insurance. We will bill your insurance carrier; 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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Our Physicians

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Gregory W. Kulesza (Retired) Gregory W. Kulesza (Retired) M.D., Retired 2021 Andrew Aneese Andrew Aneese M.D. Jared S. Bortman Jared S. Bortman M.D. Michael E. Cannon Michael E. Cannon M.D. Michael C. Duffy Michael C. Duffy M.D. Gehad M. Ghaith Gehad M. Ghaith M.D. Maryconi M. Jacob Maryconi M. Jacob M.D. Dariusz A. Lazarczyk Dariusz A. Lazarczyk M.D. Atulkumar S. Patel Atulkumar S. Patel M.D. Ketan Rana Ketan Rana M.D.
4.7/5
4.7 /5
396 Reviews

Google
5.0/5
Mar 21, 2023
Google • Dr. Maryconi M. Jacob, MD

Very nice staff, efficient office. Dr. Jacobs is excellent!

Google
5.0/5
Mar 21, 2023
Google • Dr. Michael E. Cannon, MD

Dr. Cannon is a wonderful GI doctor. The entire practice at GIS are terrific. The doctors are great, as are the nurses and office staff. It’s run very efficiently and effectively. You don’t want photos, I had a colonoscopy.

Google
5.0/5
Mar 21, 2023
Google • Dr. Dariusz A. Lazarczyk

Staff and Doctor Lasarczyk were all amazing !

Google
5.0/5
Mar 14, 2023
Google • Dr. Maryconi M. Jacob, MD

Dr. Jacob is a kind, caring and thorough doctor. Highly recommend her and have recommended her to numerous family members and friends.

Google
5.0/5
Mar 14, 2023
Google • Dr. Michael C. Duffy, MD

On time, great service by staff and a talented doctor. I’m very happy and you will be too!


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