At GI Alliance of Illinois, we are a physician-led practice with a patient-centric focus, meaning you will always be our top priority. We know how important it is to feel comfortable with your provider and to know that you are cared about every step of the way. When choosing a provider, it is important to find one that is not only knowledgeable about your GI condition but one that can provide you with the support you need. Our practice is known across the state because of our top rated gastroenterologists and staff. We would love for you to browse through the reviews below from past and present patients who have been right where you are so that you can make the most informed decision when choosing a GI provider. Once you have read the reviews, reach out to a GI Alliance of Illinois location near you— we would love a chance to connect with you and find out how we can help you achieve better GI health.
"Initially it took awhile to get scheduled, but once that was done the staff and providers were great. My procedure was exactly explained well and completed swiftly and efficiently. Just waiting for my results. A+++ service"
"I found the entire colonoscopy experience about as enjoyable as anyone could imagine for such a procedure. I was well informed from the the 1st day of contact several weeks ago right up until the lights went out from the anesthesia. Your staff was very prompt and most courteous. My wife was appreciative of the manner she was treated and especially the promptness. If asked, I will speak highly of you and your facility."
"I found Dr. Treanor to be very knowlegeable and caring. He made sure I understood everything that was going to happen. He is very patient, friendly, and talented person!"
"Getting scheduled was somewhat difficult. Once we arrived, the entire process went quick and simple. Absolutely everyone that we came in contact with treated us with care and kindness. I would recommend this group to anyone who might ask."
"Dr Treanor and his staff at GI Alliance are all so wonderful!! I’ve been there twice in the past three months and EVERY single person from the checkin employee to the nurses to surgical staff were the best. I’ve never been to a medical facility where the entire group had smiles and kind words for everyone. Made me feel comfortable and less nervous about my visits. Thank you to all! Recommend them and Dr. Treanor 100%"
"I appreciated Dr. Treanor's easygoing and friendly demeanor. He was engaging and easy to talk to and put me at ease right away. This world could use more professional people like this man."
"Dr. Treanor was very informative and had excellent bedside manner. I wouldn’t ask for anyone else. I was very comfortable during the whole process. I would highly recommend him. The staff were great!!!!!"
"Dr Treanor has always has worked with me to keep me safe and cancer free as possible. My part is to keep myself at the highest level of physical condition and eat a plant based diet. Together we are a great team and he is an amazing Doctor!"
"Dr. Treanor spoke clearly, explained the situation and analysis and sunmarized it at the end of our appointment. Great to have a down to earth and matter of fact explaination; just what I wanted!"
"Great office experience. Very personable staff and Dr. Treanor seems to have a great bedside manner. This was my first office visit and I felt very comfortable."
"Dr Treanor has always taken time to listen to any questions and concerns I’ve had there has never been any problems with any of the procedures he has done on me. Excellent Doctor."
"Dr Treanor is well informed, thoughtful for all the time that I’ve been his patient. Very courteous to my husband as he asked questions and I couldn’t ask for anyone else to help me. I would recommend him to anyone. Thank you"
"Dr Treanor took time to visit with me before and after the procedure, explaining what he was going to do and then what he had found. He, along with his staff were courteous and caring."
"From beginning to end of procedure and with follow up,, I have always been totally satisfied with Dr. Treanor. To the point I have recommended him to family members."
"Dr Treanor is a wonderful doctor! He's kind, patient, professional and always takes the time to explain everything thoroughly. I wouldn't see anyone else for my healthcare needs."
"Dr Treanor has been my Gastro for well over twenty years he's always the same very polite, listen to the concerns of his patients medically knowledgeable in his field so easy to talk with and yes I would definitely refer family and friends to him"
"Dr Treanor is the absolute best.. He has been my GI Dr. for more than 25 years. He is an expert in his field, I wouldn't trust anyone to do the procedures I have had done... Except him"
"Dr Treanor is a very fine Doctor whom has been so kind and engages in conversation of questions ask and take time to explain to me what I need to know. I moved out of state and still want to keep him as my Doctor."
"I was very worried about going to see Dr. Treanor, as some of his google ratings are not very good. He is a great gastroenterologist. He took the time to talk with me and assure me that whatever my problem might be, we would figure it out and get through it together. I can’t recommend this doctor enough. He was absolutely wonderful!"
"I received services from Dr. Tr eand his team for a colonoscopy. He and his team were very professional. They treated me kindly and I was well informed at each stage of procedure. I would truly recommend Dr. Treanor."
"Dr Treanor is very professional and pleasant. I have seen him on more than one occasion for different reasons and I feel that he's excellent in his field. I highly recommend him"