Comprehensive Gastrointestinal Health

10/10/2025

Come visit one of our dietitians at this wonderful event and learn what our practice has to offer!

It’s the FINAL Countdown… let’s talk pain relief!

At this year’s Health & Wellness Expo, we’re bringing together the best of the best in PAIN RELIEF – and guess what? They’ll be offering complimentary advice just for YOU!

🧠💥 Pain isn’t one-size-fits-all, and neither is your care. That’s why we’re featuring top specialists in every field:

💆‍♂️ Chiropractic Care – Align your spine, align your life

🏃‍♀️ Physical Therapy – Move better, feel stronger

🌀 Acupuncture – Ancient wisdom, modern relief

💪 Rehab & Recovery Experts – Get back to doing what you love

✨ Pain Management Pros – Personalized paths to lasting comfort

✅ Come ask your questions
✅ Try new approaches
✅ Leave with real solutions

This is your chance to take control of your pain and your wellness journey—all under one roof!

📍 Don’t miss it – tag a friend who’s been needing relief too.



Open Flow Acupuncture - Highland Park Lake Avenue Wellness Illinois Bone & Joint Institute - IBJI Advocate Condell Medical Center Endurance Physical Therapy Align Wellness Center Quality Physical Therapy and Rehabilitation, PC Health Clarified New journey physical therapy

10/04/2025

Check out the progress on the construction of our new location in Northbrook - 630 Dundee will be open for business in the spring of 2026 - bigger and better!

09/24/2025

AVAILABLE THIS SATURDAY!! Procedure appointments are filling up for the end of the year - if you have met your deductible and want to get on the schedule, CALL NOW!! The office number is 224.407.4400 or visit www.compgihealth.com for more information about our fabulous resources that include ON DEMAND APPOINTMENTS!

08/05/2025

Meet Dr. Brett Riederman, the newest addition to Comprehensive Gastrointestinal Health! Dr. Riederman, a gastroenterologist and native of Chicago’s North Shore, brings expertise, compassion, and innovation to our practice.

Graduating summa cm laude from the University of Miami and elected to the prestigious Alpha Omega Alpha Honor Medical Society at the University of Illinois, Dr. Riederman is committed to excellence in patient care.

He believes strongly in the power of collaboration between patient and physician, ensuring personalized care through open dialogue and holistic treatment strategies that blend medical advancements with lifestyle considerations.

Dr. Riederman is currently accepting new patients. Contact us to schedule your visit! https://compgihealth.com/profile/brett-riederman-m-d/

Dr. Brett Riederman graduated summa cm laude from the University of Miami in Coral Gables, Florida with a major in biology and minors in chemistry and

07/21/2025

We are excited to welcome Brett Riederman, M.D., to the Comprehensive Gastrointestinal Health family! Dr. Riederman is now accepting new patients at our practice.

A highly accomplished gastroenterologist, Dr. Riederman earned his medical degree from the University of Illinois College of Medicine and completed his gastroenterology and hepatology fellowship at Washington University in St. Louis, where he specialized in Crohn’s disease research.

His patient-focused philosophy emphasizes clear communication, active partnership, and individualized care strategies. Dr. Riederman integrates medications and endoscopic procedures with essential elements like nutrition, the brain-gut connection, and physical wellness to achieve optimal digestive health.

To schedule an appointment with Dr. Riederman, please contact our office! https://compgihealth.com/profile/brett-riederman-m-d/

07/08/2025

HUGE NEWS! A brand new larger capacity state-of-the-art Northbrook location is officially under construction!!

Comprehensive Gastrointestinal Health will be moving from our location at 40 Skokie Boulevard in Northbrook to just up the road at 630 Dundee in Northbrook in the spring of 2026! Expect a beautiful updated larger facility ready to take care of more people's health and wellness needs. Check out the demolition photos below and keep an eye out on the progress we make with our partners at APEX Design Build!

If you or someone you know has any health or wellness needs, please call 224.407.4400 for an appointment or check out our On Demand or online scheduling options at www.compgihealth.com now!

06/11/2025

Is pizza really a “low-fiber” food? And what does that mean for your gut? 🍕

Our latest blog breaks down the fiber content of a typical slice, explains why fiber matters for digestive health, and offers easy tips for enjoying pizza without derailing your nutrition goals. Whether you’re managing IBS, recovering from surgery, or simply aiming for a balanced diet, we’ve got practical guidance straight from our gastroenterologists.

Read the full post: https://compgihealth.com/blog/is-pizza-low-fiber

Share with a friend who loves pizza as much as you do, and let us know your favorite high-fiber swaps in the comments.

06/09/2025

🌟 We Took Steps for IBD! 🌟

This Sunday, the team from Comprehensive Gastrointestinal Health proudly participated in Take Steps in Glenview, the Crohn’s & Colitis Foundation’s signature event uniting over 22,000 people across the country who are affected by inflammatory bowel disease (IBD). 💙🧡

Our practice helped sponsor the event and we walked to raise critical funds for research, education, support, and advocacy, and we remain committed to supporting our IBD community year-round.

At Comprehensive Gastrointestinal Health, we offer a comprehensive, team-based approach and On Demand visits for the urgent needs of IBD patients—because we know flare-ups don’t wait.

📞 Call us: 224.407.4400
🌐 Visit: www.compgihealth.com

06/05/2025

Tired of guessing what’s triggering your IBS? The inFoods® IBS food sensitivity test is a game-changer. 🧬✨

✅ Backed by a major study in Gastroenterology
✅ Tests your IgG response to 18 common trigger foods
✅ Simple at-home finger prick test
✅ Personalized results for a targeted elimination diet

Take control. Feel better. Eat with confidence. 💪

To learn more, visit https://compgihealth.com/services-we-offer/ #1746028885086-2433fced-7eb0

05/02/2025

🎉 We FINALLY Have an Evidence-Based Food Sensitivity Test for IBS! 🎉

If you've been struggling with bloating, gas, abdominal pain, or unpredictable bowel habits—this might be the breakthrough you've been waiting for. We’re excited to now offer the inFoods® IBS food sensitivity test—a clinically validated, evidence-based blood test that helps identify specific foods that may be triggering your irritable bowel syndrome symptoms.

✅ Backed by a major study published in Gastroenterology journal (Jan 2025)
✅ Tests your immune system’s IgG response to 18 common trigger foods
✅ Simple at-home finger prick blood test
✅ Personalized results used to create a targeted elimination diet
✅ Just $349 when ordered through Comprehensive Gastrointestinal Health (a discount from the $390 list price!)

This is NOT just another food sensitivity test. This test is:
🔬 Validated in a large, double-blind, sham-controlled trial
🥼 Developed specifically to help people with IBS
📋 Meant to guide real, symptom-relieving dietary changes

You do not have to be currently eating a food for it to show up on the test, and with expert guidance from our registered dietitians, you’ll learn how to safely modify your diet based on your results—without compromising your nutrition.

📦 Ready to get started? The test is available NOW through Comprehensive Gastrointestinal Health! Call 224-407-4400 or email info@compgihealth.com to order your kit today or take advantage of our ON DEMAND providers who can provide a same-day virtual consultation to address all of your health concerns (visit www.compgihealth.com). Let’s take the guesswork out of your gut health. 🙌

03/05/2025

We have an exciting new initiative that is AVAILABLE NOW - ON DEMAND GASTROENTEROLOGY CONSULTATIONS!!

A team of highly experienced nurse practitioners and physician assistants are ready to provide SAME DAY APPOINTMENTS for any and all GI and liver health concerns. They will be able to facilitate rapid evaluation and coordinate any follow up needed with our team of exceptional gastroenterologists:

Dr. Jeffrey Nathanson
Dr. Tara Troy
Dr. Gene Chiao
Dr. Phil Chung
Dr. Claus Fimmel

We have heard the frustration - when you have active symptoms like abdominal pain or bloating, heartburn, stomach upset, bleeding, altered bowel habits, or concerning radiology or laboratory tests, you don't want to wait days, weeks, or months to be evaluated and treated. Check out the details on our website www.compgihealth.com. Please spread the word - we are waiting to help out NOW!

If you have any additional questions or to schedule an appointment for any gut or liver concerns, please call 224.407.4400.

We are a new style of gastroenterology office and endoscopy center. We provide COMPREHENSIVE personalized care of exceptional caliber with innovative strategies, cutting edge techniques, and sincere compassion.

03/03/2025

We have an exciting new initiative coming this WEDNESDAY, MARCH 5th - ON DEMAND GASTROENTEROLOGY CONSULTATIONS!!

A team of highly experienced nurse practitioners and physician assistants will be able to provide SAME DAY APPOINTMENTS for any and all GI and liver health concerns. They will be able to facilitate rapid evaluation and coordinate follow up needed with our team of exceptional gastroenterologists:

Dr. Jeffrey Nathanson
Dr. Tara Troy
Dr. Gene Chiao
Dr. Phil Chung
Dr. Claus Fimmel

We have heard the frustration - when you have active symptoms like abdominal pain or bloating, heartburn, stomach upset, bleeding, altered bowel habits, or concerning radiology or laboratory tests, you don't want to wait days, weeks, or months to be evaluated and treated. Check out the details on our website www.compgihealth.com. Please spread the word - we will be waiting to help out in the near future!

In the meantime, please call 224.407.4400 to schedule an appointment for any gut or liver concerns or to learn more about our comprehensive weight management program.