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.
"Dr. Zierer and staff provide caring, professional service and efficiency."
"Appointment was on time, checking was smooth, all people that I interacted with were very professional and friendly"
"Very good"
"Doctor listens and gives detailed feedback"
"Attentive and professional"
"Wry professional and caring!"
"Excellent care!"
"Everyone that I have come in contact with has been Very helpful and polite. Dr Steven Zierer has been very thorough going through current and some past history, which is important to me. I am grateful for good care as a patient."
"Very caring staff. Everything explained easily. Procedures done with no issues."
"The staff was caring. Everyone was great!"
"Everyone was so professional, and so very nice to me. I was so nervous and everyone help me."
"My colonoscopy was easy breezy except the fasting Doctor Ziener did a good job. 👍"
"All staff are extremely friendly and professional and I highly recommend this Group of physicians!"
"Dr. Zierer was very helpful and informative about my concerns."
"Dr Zier is taking care of Steve G and he says he’s always very personable and professional. Takes time to talk and explain everything. The staff in general are very pleasant friendly and efficient"
"Friendly. Endoscopy was on tome. Quick and easy"
"Very courteous and professional."
"Great care."
"The whole time was a pleasant experience. The people where very nice and pleasant I recommend them to anyone."
"All staff efficient, timely and professional"
"I was surprised when Dr Zierer came in and not a PA. He is wonderful. His mannerisms is so refreshing and to know that he cares about you. Told me the in and out of the medication he was subscribing. He is a true gentleman. Highly recommend him. Helen Layne"
"I was surprised when Dr Zierer came in and not a PA. He is wonderful. His mannerisms is so refreshing and to know that he cares about you. Told me the in and out of the medication he was subscribing. He is a true gentleman. Highly recommend him. Helen Layne"
"Very professional and everyone who works there are helpful and friendly 😊"
"Very friendly and professional"
"Outstanding professionalism and quality care."
"I arrived at the doctor's and checked in, and my wait time was minimum, to see the doctor."
"Dr Zerier was very personable with me and my Wife."
"Dr Zierer has been my GI doctor for several years and I would recommend him to anyone with GI concerns. He is very personable, easy to talk to and definitely has concerns over all of your medical needs. He is very knowledgeable and I feel extremely comfortable putting my care into his hands. The office staff is also extremely friendly, helpful, and professional."
"Diligent and keeps me informed."
"The price staff is polite and professional, they care about the people. The building is very clean and well organized. The doctors are informative and welcoming. They do not crush through your visit. They provide a great deal of information both verbal b and printed."
"Dr z is great"
"Went in with Bad guts ... Now my tummy loves me thanks doctor.."
"I've been going to Dr. Zierer for many years. He has taken care of me and my issue very well for all these years."
"Was referred to his office for a consultation over possible internal bleeding. Was asked several questions then was immediately scheduled in for a gastroenterology the next day. He explained what to expect from the procedure and reassured me before the anesthesia."
"Highly skilled, but difficult to get a current appt."
"Dr. Zierer is a great physician and he has always been attentive to my questions about my treatment plan."
"I am so impressed with Dr. Zierer. He is prompt and explains things well. I am feeling much better. I highly recommend Dr. Zierer."
"Very good experience. Dr. Zierer is very approachable and welcomes any questions that I might have before and after the procedure. He and the nurses were very professional. He will be doing the same procedure on my wife very shortly."
"My appointment with Dr Zierer was very pleasant and informative, It was just a check up appointment and all went well. I would recommend him highly."
"I really felt like Dr. Zierer listened to my concerns. I have been trying to find answers about my health for a long time and most Dr have said they just don't know, but Dr Zierer asked more questions and has some possible tests and solutions. It was nice to feel heard and not dismissed."
"Very good people"
"Didn't wait long to be seen. Dr Zierer explained my results so they were understood."
"Loved the dr and the visit with him"
"Dr. Zierer has been my GI for several years. He has always been attentive to my condition, concerned for my welfare; always ready and willing to investigate and treat any issue that arises. With my medical medical history, he is not the first GI I've consulted, but he has been the most effective and personable."
"Dr Zeirer has been my gastroenterologist for a number of years and my ...oscopies have been pain free."
"Awesome Dr."
"Dr Zierer is professional, yet very relaxed & friendly and genuinely listens to your medical concerns. He actually takes notes, maintains eye contact & does not have his nose in the computer all the time. And you don’t feel rushed like he is eager to get you out the door & on to the next patient. He has what is called “that bedside manner”, which is refreshing & pretty hard to find these days. Dr Zierer’s staff is great & even the wait time was minimal on my last visit."
"Dr Zierer is excellent physician,he answer all My question,take a time to explain me and give advice"
"I have been seeing Dr. Zierer for many, many years. He and his staff have been excellent for me...going "above and beyond" the call of duty. I am glad I have them."
"Dr. Zierer and his staff at East Valley Endoscopy and Arizona Digestive Health provides outstanding service and care to those of us lucky enough to have him as our doctor. Though colonoscopies are no fun, it is a life saving procedure and he and his team are the best at their jobs. Caring and attentive describes them all and I'm glad I was on the receiving end."
"Dr Zierer is has the best bedside, caring attitude of any Doctor I have seen. He believes in treating patients with honesty, listens and always open to your feelings/suggestions. I feel extremely lucky to have him as my doctor because I am not an easy patient with multiple health problems. I can't suggest him more."
"Dr Zier is taking care of Steve G and he says he’s always very personable and professional. Takes time to talk and explain everything"
"The staff is friendly and efficient and Dr Zierer makes sure all your questions are covered. My husband and I both highly recommend his office."
"He’s very good. Takes the time to explain everything and will present options along with his recommendations and why. He’s friendly, knowledgeable, and gives you his complete attention. I highly recommend him"
"Dr. Steven Zierer is a wonderful, professional, & thourogh Gasteroligist. I would highly recommend him. Great bed side manner!"
"I was very pleased with the care I recieved at Dr. Zierer's office. He put me at ease about the up coming procedure I have scheduled. The office staff are very thorough when going over the preparations for the procedure."
"Excellent on all phases of my care"
"Dr. Zierer and his team are incredible! After numerous doctors, I saw Dr. Zierer who was able to ask the right questions to determine the right solution."
"I was extremely impressed with the quality of care for my visits by all staff. Thank you!"
"Everyone was very friendly. Would highly recommend him."
"Dr Zierer has taken great care of me for many years and saved my life a few times as well. He spends time with you, listens to you and has a great sense of humor. It's what you need when facing the unpleasant effects of gastro illnesses. Wait times for appts are minimal. Usually 15 - 20 min. The staff is friendly and attentive."
"Dr Zierer was great and very professional. I was referred by my primary care physician and was very impressed with the knowledge and care he demonstrated. I would highly recommend him and his staff. I had no wait time and he spent extra time explaining everything to me."
