Patient Reviews
GI Alliance physicians are among the most reputable and distinguished gastroenterologists across the nation. Focused on clinical excellence and patient-centered care, our specialists seek to be the partner you need in your quest for better health. We value patient feedback and appreciate every review we receive from those we are privileged to treat. For your convenience, we have gathered a collection of reviews, stories, and testimonials provided by patients who have visited our practices. We welcome you to explore the feedback below to learn more about what it means to be a patient of GI Alliance.
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"Dr Brenda Dennert is amazing! I came to her recently as I needed to schedule a routine colonoscopy and I was also having issues with acid reflux and just a lot of stomach issues. Dr Dennert is so caring and has great bedside manners. She made me feel so comfortable and talked me through all the options and avenues to take for my issues. I’m now feeling so much better and best of all my procedures went great! Thank you Dr Dennert and Arizona Digestive Health."
"Wonderful to talk with the doctor"
"Dr.Dennert was very professional, and the staff was super friendly and helped me with my insurance questions. I highly recommend their office."
"Dr Dennert always takes quality time with me. She is interested in every aspect of my life not just my health and she gives me great feedback concerning our conversations."
"My procedure was very professional. I was treated very well and would definitely recommend to others."
"Dr. Dennert is the best!!! She explain thoroughly before my procedure so I felt so comfortable. Everything went well and fast. I totally recommend her."
"I could say that Dr. Dennert made me feel very comfortable on my first visit. Her professionalism and carry was definitely showing in my time spent in the office. There was no waiting time whatsoever and the staff was very friendly."
"I have been seeing Dr Dennert as needed for years and I appreciate her professionalism, knowledge and kindness ."
"Dr Dennert is not just great in her technical skills such as a thorough diagnostic she’s very empathetic and caring which is great!"
"Dr Dennert is always such an understanding and compassionate provider. She listens to your concerns and provides the best care. Her staff is stellar in always getting an appointment quickly and they are always friendly. I highly recommend Dr. Dennert for any GI concerns."
"Dr. Dennert made me feel very comfortable and at ease. She talked with me not at me. If you should need to a GI specialist, I highly recommend Dr. Dennert."
"I really like Dr Dennert. I never wanted to go to a gastroenterologist until I met Dr. Dennert. She’s calm and is willing to explore options for me."
"Doctor dennert is a wonderful physician and I highly recommend her, she listens to your concerns and is very thorough."
"My experience with Brenda was positive. She took the time to explain everything. I found her to be compassionate and caring to my situation. Brenda very thorough."
"She is just amazing in every way"
"Dr. Dennert was informative regarding test results and answered all of my questions. Made me feel at ease and followed up with more information by phone."
"Dr Dennert removed anxiety by actively listening and engaging with questions. Truly know I’m in good hands, highly recommended her and her staff!"
"This was my first visit. She answered all my questions and really made me feel very comfortable.I would highly recommend her to all my family and friends"
"Dr. Brenda Dennert was very professional and answered all of my questions. I am looking forward to creating a good relationship with her. Is nice to be confortable with your doctor, it makes the process easier."
"Fantastic"
"DR DENNERT ALWAYS LISTENS TO WHAT IS YOUR MEDICAL PROBLEM AND SHE DOESNT RUSH OR PUSHES THE APPOINTMENT ALONG. SHE GOS BEYOND HER WAY TO MAKE SURE YOU GET THE HELP YOU NEED!! ALL OF HER PATIENTS SHOULD FEEL VERY LUCKY TO HAVE HER TREATING THEM. I KNOW I AM TRUELY THANKFUL AND SO SO HAPPY I FOUND HER!! THANK YOU DR DENNERT!!"
"I really like Dr. Dennert. She took time to review past screenings and give me information on how to help my digestive problems without surgery"
"Friendly and Professional. I was instantly at ease by Dr. Dennart's knowledge and most importantly her willingness to LISTEN."
"I so highly recommend Dr. Dennert. Her bed side manner is caring, compassionate. Listens and answers the questions that I can understand.
I never feel rushed she takes the time I need."
"Very kind and compassionate with my specific needs. We came up with a wellness plan immediately together that was not too overwhelming"
"Dr. Dennert is simply wonderful. She is patient, kind, listens well and is an informed practitioner. During my appointment, I felt like I was speaking with a partner in my healthcare versus someone who simply wanted to prescribe me a pill. I highly recommend her and her staff!"
"My experience with Dr Brenda Dennert was so easy and comfortable. Considering this was my first colonoscopy, Dr Dennert and the facility made the procedure very comfortable.
I’ve recommended Dr Dennert to my family and friends."
"Dr. Dennert I'd 100% fantastic in every way!"
"Dr. Sennett was fantastic. She took the time to listen and go through all previous tests and appointments I had prior to ending up in her office. I would recommend her to any of my family and friends looking for a GI specialist!"
"Staff provided great care...Dr Dennert,as usual, provided outstanding service and care."
"Enjoyed my appointment with Dr. Dennert and felt very comfortable around her. She was very attentive to my needs and very professional"
"Dr Dennert was very educational and patient. She understood I had a terrible experience the first time around and prescribed a different prep. The second time around went according. She's the best."
"Very informative and welcoming."
"Procedure went so smoothly. All staffs were so kind!"
"Dr Dennert is the Best!
My 3rd Colonospy and I won't recommend anyone else!"
"Dr. Brenda Dennart and Staff we very friendly and professional. Dr. Dennart is very tentative and knew everything about me, very caring and listened to my concerns."
"Dr. Dennert is extremely knowledgeable and highly skilled, but she also takes the time to listen to you and understand. I feel very well cared for when I am seeing her. I recommend Dr. Dennert without any hesitation."
"Very professional, felt at ease at all times. Would recommend her to anyone!"
"My wife and I have been patients of Dr. Dennert for over a decade. We have always been very satisfied with her insights, staff, and services."
"Great doctor. Listened to my issues and explained clearly what I was experiencing. Did not push for any procedures and told me that if symptoms change to call back. Very knowledgeable and made me feel comfortable. She will be my go to for any future issues."
"Very prompt kind of ice staff. Dr. Dennert was very caring, approachable, and wonderful at explaining my procedure and answering any questions I had."
"The staff stayed right on time for the appointment. They were all very professional. It was a very pleasant experience with all staff,and the facility.
Dr. Dennert is very good.
Thank you for helping me get through a procedure no one wants to go through!"
"Dr. Dennert communicates clearly and is easy to talk to. I felt that I was in very competent and experienced hands which gave me peace of mind."
"Dr. Dennert is such a kind, well mannered physician who really spends time with you to ask you all about your digestive health as well as any problems you are having she should be aware of. Some doctors just seem like they want to get you in and out as soon as possible, but exhibit no warmth, compassion, humor, or personality. Not Dr. Dennert! I'd highly recommend her!"
"Dr. Dennert is a wonderful Doctor! She is knowledgeable, caring, and extremely well prepared. She answered all my questions, reviewed my medical history and provided very timely and appropriate medical advice. I was very satisfied with the treatment I received at her office and would highly recommend her to friends and family."
"Dr. Dennert and her office were fantastic. Dr. Denmert listen well and explained everything in detail. Office staff was professional and friendly."
"From a recent trip to Nica, I definitely needed some piece of mind. Dr. Dennert was very professional and made me feel comfortable when talking about uncomfortable things ! 🙏✨"
"Dr. Brenda Dennert is very perfesional she takes her time and talks with you. I would recommend Dr. Dennert to anyone."
"Dr. Dennert is the most understanding doctor that i have had. She listens carefully and together we are managing my Crohn's disease. The staff and medical assistant Blanca are very kind and also mindful of people's time. I've been to some doctors where they had me waiting in the front office and exam room for over an hour! Not at Arizona Digestive Health!!! I'm so grateful to have found such a caring and compassionate doctor to help me manage my condition."
"Dr. Dennert made me feel right at home during my visit. She answered all my questions and concerns. She provided great information and advice. I'll add her to my go to doctor list."
"Dr Dennert at Arizona Digestive Health has her team firing on all cylinders. Staff is friendly, knowledgeable, and efficient. Brenda’s presence is very comforting and she asks great questions and provides helpful solutions. A positive model for all doctors."
"Dr Dennert! Love her!"
"Dr.Dennert and her assistant Blanca are the nicest people ever!! Dr. Dennert listened and took time to evaluate my concerns . She gave logical advice !!"
"I had to look for gastroenterologist because I was not happy at all with the doctor I had. Particularly when I learned that he doesn't meet with patients any longer. His assistant does. So, I was very skeptical when I came to my first appointment. Needless to say that now I'm extremely happy with Dr. Brenda Dennert. She listens, advise suggest and discuss the process with me. I personally think that many doctors have the knowledge, but they are not very good with relating to their patients or capable of advising and guiding their care. Dr. Dennert should have six stars."
"I have been seeing Dr Dennert for many years and am very pleased with my care. She takes time with me and her staff has always been easily accessible, friendly and wonderful to deal with. Great care."
"Everything was explained"
"Dr. Brenda Dennert is a great provider and very professional.I’m very happy with my services with her. Need a colonoscopy? See Dr. Dennert."
"Excellent rapport and bedside manner"
"Dr. Dennert is very professional, she is very caring and thorough with a pleasant personality. I would certainly recommend her to anyone looking for a good GI doctor!(9"
"Doctor Dennert is so professional and personable to her patients. She has a true gift in helping you feel comfortable and confident discussing your health care needs. I think she is a true gift to the medical profession as an advocate for her patients. Just a wonderful doctor and person."
"Dr Dennert is very knowledgeable and has wonderful bedside manner. She is my favorite specialist and helped me understand what my issue was."
"Great doctor. She save my life!!!"
"Appointment in a timely manner. Caring team."
"No judgement s or lectures. She actually listens and obviously cares. I have always felt very comfortable."
"Every time I have been at Dr. Dennert’s office, everyone is super nice and welcoming. As for the Doc herself, always super nice and understanding, listened to my concerns and has always made sure to have them addressed. When I was looking for a gastroenterologist I wanted to make sure that I found a kind doctor. And I gotta say, I found one."
"Dr Dennert is excellent. I have seen her for the last 10 plus years. She is thorough and takes time to answer all the questions."
"Dr Dennert is show a sweet nice doctor. She doesn’t do surgery type treatments until she try’s medication that may help the problem. She listens and looks at you when you are talking to her."
"She and her staff are wonderful!"
"Dr. Dennert has been my doctor for over 20 years. She is excellent and I highly recommend her. She listens to you and gives you as much time as you need to explain your symptoms. Her staff is friendly and caring as well."
"I have gone to see Dr Dennert for 20 years. I find her to be caring and very knowledgeable. I recommend her to everyone. The office staff are caring as well."
"She made me feel really comfortable and at ease. Her office staff were amazing as well."
"First time visit to Dr Dennert. She was very thorough and had a great bedside manner. I would highly recommend her to anyone looking for a GI doctor."
"Is a wonderful experience they treating you very good all the people who work in there is very professional I really and highly recommend Dr Brenda Dennert. M.D"
"My mom had an appointment with Dr. Dennert. While the wait time was a longer than I would have liked (but par for the course with doctors!), the nursing staff was kind and helpful. Dr. Dennert took her time with my mom and got a full history. When we left, we understood what the doctor believed/concluded about my mom's condition and the next steps in her treatment."
"Dr Dennert was very thorough and had a nice bed side manor that means a lot to me.she explained everything she was going to due and always kept asking me for any Questions..So now just waiting for my procedure and go from there…"
"Dr Dennert is a GI doctor everyone could be extremely happy to see. It was my first visit and from the minute I made my appointment speaking to Lupe I knew I was in good hands. What a sweet, understanding and compassion person.
At my appointment Dr Dennert took a lot of time with me having me explain my problems and answering all my questions in a manner that I could completely understand. I found her extremely competent and caring.
I have already given her name to a dear friend.
I totally appreciate all Dr Dennert did for me."
"Very caring staff and Dr. Dennert is wonderful!"
"Excellent customer service, very professional and explains throughly."
"Had my first visit with Dr. Dinnert and she was easy to talk to. She really seemed to listen to what I had to say and actually read the paper work I had filled out. I did not feel rushed at all. It was a good experience and I would certainly recommend her to others."
"I have been a patient of Dr Dennert for 20 years. The one thing that I worry about is that she will retire some day. Dr Dennert is a great doctor who actually listens to you when you are telling her what medical problems you are having. She is sincere and cares about your health. I have referred my friends to her and they are very pleased with her care."
"DR DENNERT ALWAYS HAS A SMILE WHEN SHE COMES IN TO SEE YOU!! THIS MAKES ME FEEL VERY COMFORTABLE! SHE LISTENS TO YOUR ISSUES AND THAN SHE EXPLAINS WHAT SHE WOULD LIKE TO DO AND SEES IF SHE CAN SOLVE THE PROBLEM!! EVERYONE IS VERY LUCKY TO BE TREATED BY HER!! THANK YOU DR DENNERT!🙏🙏"
"Dr. Dennert is always knowledgeable, kind, and caring. She takes the time to really listen to her patients, which is rare these days."
"Excellent doctor!!!"
