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The Glen Endoscopy CenterThe Glen Endoscopy Center

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Named a 2025 Best Ambulatory Surgery Center by U.S. News & World Report

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Beat the Trend. Get Screened at 45!

More Young Adults Are Getting Colon Cancer.

Schedule Your Colonoscopy Today

Celebrating Our Patient Experience Scores

Our Ratings Exceed National Averages

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Prioritizing Patient Care

Our physicians exceed national benchmarks for quality care.

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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 and we will contact you to request the appointment.

About Us

Learn more about our center.

What We Do

The Glen Endoscopy Center is a specialty surgery center serving the North Shore Chicago suburbs and surrounding communities. We are located within the Prairie Glen Professional Buildings, across from the Glen Shopping Center in Glenview, Illinois.

We strive to give our patients the highest quality outpatient care in a modern state-of-the-art medical facility with fully integrated computerized reporting. We also help physicians and medical professionals provide their patients with the best care possible.

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For Your Visit

The Glen 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 North Shore Chicago suburbs.

Patient Forms

At The Glen 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

The Glen Endoscopy Center 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 the Doctors

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Ronald Bloom Ronald Bloom M.D. Kenneth Chi Kenneth Chi M.D. Meghana Doniparthi Meghana Doniparthi M.D. Jeffrey M. Jacobs Jeffrey M. Jacobs M.D. Yolandra Johnson Yolandra Johnson M.D. Slawomir Marecik Slawomir Marecik M.D. Nina Merel Nina Merel M.D. Baseer Qazi Baseer Qazi M.D. Jonathan Williams Jonathan Williams D.O.
4.9/5
4.9 /5
1,042 Reviews

Google
5.0/5
Jan 31, 2026
Google • The Glen Endoscopy Center

Prompt, professional, and personable, to say nothing of medically outstanding.

Google
5.0/5
Jan 31, 2026
Google • The Glen Endoscopy Center

Very professional. The staff truly cares about the patient, from initial check in to follow up the next day to make sure that everything is ok.

Google
5.0/5
Jan 31, 2026
Google • The Glen Endoscopy Center

This is my 3rd time using The Glen Endoscopy Center and every experience has been as good as it gets. As far as getting a procedure done it doesn’t get any better than this.

Google
5.0/5
Jan 30, 2026
Google • The Glen Endoscopy Center

very quick and efficient Came in got registered and quick was ready for procedure. On my way home in 2.5 hours

Google
5.0/5
Jan 28, 2026
Google • The Glen Endoscopy Center

Excellent service from beginning to end (no punt intended!) The entire staff is warm and genuinely compassionate. They answered my worried billing question with the utmost professionalism. Dr Yolandra Johnson deserves a metal for how will she handled me. I decided to have my colonoscopy with NO anesthesia and Elena the nurse was extremely supportive and encouraging and rubbed my hand (hard enough so I can feel sincerely comforted) all the way through. I appreciate them believing in me and I couldn’t have done it without their gentleness and superb care. If you’re someone with low anxiety and a decent tolerance for discomfort (not pain) then ask your doctor if you’re a good candidate—Glen Endoscopy Center is surely the right place! 💐


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You're Not Too Young: Why Colon Cancer Screening Matters

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A U.S. News & World Report Best Ambulatory Surgery Center!

A U.S. News & World Report Best Ambulatory Surgery Center!

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The Glen Endoscopy Center
2551 Compass Rd., Suite 115,
Glenview, IL 60026

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