Patient Reviews

Finding a provider who will truly listen to your concerns is not always easy. Here at Specialists in Gastroenterology, our patients are always our top priority. Our gastrointestinal providers create a thoughtful, caring environment where you can feel heard and all of your GI concerns are addressed. You can trust us to provide you with customized care for you and your condition. Feel free to browse through our reviews, so that you can see for yourself the time and dedication that our specialists give to each one of our patients in the St. Louis, MO community.

5.0 Review from S.S. Source: Google May 26 2023

"When Tonya first took me back for my colonoscopy, I was concerned. She was not friendly or accommodating. She was harsh, hurried, and appeared very annoyed that I was there. After that introduction, the people got much better. The rest of the staff were friendly and nice. Dr Thyssen is always pleasant and I do have faith in his procedures."

5.0 Review from L.S. Source: Google Mar 26 2023

"Great, everyone very polite and helpful."

5.0 Review from S.B. Source: Google Jan 26 2023

"Professional,prompt and corrected my mistake without blame awesome"

5.0 Review from K.L. Source: Google Oct 27 2022

"This is one of the best run doctor's offices I've had the pleasure of visiting. The staff is friendly + knowledgeable, and it's clear that they have processes they're following, which creates an environment where you know exactly what to expect and how much it's going to cost. On top of that, Dr. Weinstock is top notch and has an excellent bedside manner. I've been struggling with GI symptoms and a lot of other crazy symptoms for a few years, and he listened carefully to everything I shared (in addition to collecting much of the information up front in a thorough intake questionnaire) and help me determine that I have Mast Cell Activation Syndrome (MCAS). After doing a lot of research about MCAS, it's clear to me that I'm working with one of the best doctor's in the country and am insanely lucky that I found him this early into my journey. His protocol has helped me get a significant amount of symptom relief, and I'm optimistic that by digging into the root causes with another local STL doctor (Dr. Christian Wessling), I'll be on the road to healing. One other thing I love about this office is that you can get support between appointments using their patient portal, and their responses are thoughtful and prompt. All doctor's offices should take a lesson from this one on how to run their operations while providing excellent patient support! 👏👏👏"

5.0 Review from D.I. Source: Google Oct 27 2022

"In up fixed out! Efficient. The staff is kind and they offer information and answer all questions."

5.0 Review from D.H. Source: Google Oct 26 2022

"Be back and staff were great and informative. Would go back."

5.0 Review from J.F. Source: Google Oct 26 2022

"The entire staff has an efficient process with a warm and inviting feel. They let you know exactly what is going to happen and are so friendly. They are compassionate, efficient, and professional."

5.0 Review from P.G. Source: Google Oct 26 2021

"I have great respect for Dr. Thyssen. I have been going here for 20+ years as colon cancer runs in my family. He is very thorough and very knowledgeable. His staff is also the best and everyone does a fabulous job at this facility."

5.0 Review from C.F. Source: Google Oct 26 2021

"I would recommend this place hands down. The process was smooth and everyone was friendly and helpful. Very concerned about your comfort both physical as well as emotional. Very professional."

5.0 Review from C.A. Source: Google Oct 26 2021

"Very good doctor, he explained everything he was going to do and made you feel comfortable."