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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"Took my mom in to see Dr. Kliewer and from the beginning, we received comforting care. His front desk staff was friendly and accommodating. Once we got back to the examining room, a translator was afforded to us and Dr. Kliewer came in and he was friendly, informative, but most important patient and kind with my mother. I truly appreciate Dr. Kliewer, his staff and the work they do. Thank you."
"Dr. Kliewer has been my doctor for many years. He is knoweledgeable, competent, kind, patient and truly cares about his patients health. I highly recommend him."
"Dr. Kliewer, Is a outstanding Dr. With great bed side manners, knows his craft. Very polite and listens to you."
"First visit was great. I'm having a endoscopy done in January 2023."
"He is very kind and an able physician. He has to be to put up with me ;) I recommend him highly."
"Dr was very nice and liked his attitude, and has a Great sense of Humor which is important to me! Everyone in Office is Amazingly Great."
"Dr. Douglas Kliewer is amazing, He made a stressful time a cake walk. He was kind,understanding and knowledgeable"
"Excellent doctor. Great bedside manners, took time to talk with me, no rush. He even knows about what insurances will cover. Really nice person."
"Cares about finding the root cause of the problem."
"Extremely thorough, wants to find the issue causing the problem. Thank You!"
"Wow! Such a nice guy with a real heart to inform and support his patients. Highly recommend!"
"Excellent DR! Fast and prompt service!"
"Dr.Kliewer Was kind and understanding as I get emotional when I talk about my problems."
"I have a friend who referred me to Dr Kliewer. It was my first visit, and he was very kind and attentive to my concerns for the visit."
"They know what they are doing I received excellent care"
"I had my 1st appointment with Dr Kliewer and he is very nice and makes you feel very comfortable! Will be taking a test next week and see how that goes and will be visiting with him more after my results and am looking forward to his visit! Was dreading my appointment period and he made it very comfortable for me! Thank you Dr Kliewer!"
"Dr Kliewer and support team was so kind and helpful throughout the complete visit."
"I have several other health issues and Dr Kliewer was very thorough in discussing the options."
"Very nice and personable, well organized, educated and very knowledgeable in his field."
"Dr kliewer does a great job very up front and forward I think that the way a good doctor should be"
"Great Dr. He knows what he's doing and I'm glad he still doing his thing. He found and removed 6 pollups 4+ years ago. Now we're setting up to check again in November."
"Dr Kliewer is such a great GI doctor. He takes his time and thoroughly explains things. From the time you check in to the time you check out, the entire staff is professional and show they care about you and your visit."
"My husband uses this clinic & Dr. Its a Great place and very professional."
"Everyone was nice and friendly after checking in ,it did not take me long to see the doctor he introduce him self and explained to me how the procedure was going to go and ask me about my medical history and ask if I had any questions on the procedures Dr. Kliewer was friendly and did not rush the time he was with me ."
"Awesome, my first time and I have no complaints at all. Love the service, dr kliewer & team made my day."
"Good man. He listened to me. He gave good explanations on what I needed to do to help myself and my stomach problems."
"Dr. Kliewer , I appreciate the kindness you have shown to me and my family. Also you are always there when I needed help with my health issues. The people in the office are wonderful are concerned about your patients. I was very nervous Friday each nurses &Dr were very caring and understanding. The sweet nurse who put my IV IN WAS AWESOME PUT IT IN FIRST TRY. I let her know it’s hard to put one in me . Then th the Dr who sedated me comforted me , Thank you for the GREAT TEAM YOU HAVE. Also so the nurses in surgery I shared a birthday with her so sweet of her ALL OF YOU ARE AWESOME . Freida Fair"
"I’m always pleased with care I receive at every visit with Dr. Kliewer."
"I was very impressed by the way Dr Kliewer listened to me and formulated a plan for my care"
"Dr Kliewer has been my doctor for many years. He is very knowledgeable, thorough and has a great bedside manner. I feel confident in trusting him as he monitors my colon and pancreatic cysts and will always recommend him to anyone looking for gastroenterology care."
"Great facility, nice people. Was worth the 3 hour drive from my house to OKC."
"Very comfortable experience. Second visit here. Friendly staff. Your in and out , probably the same with the doctors and nurses performing the procedure, in no time at all. No muss, no fuss. No stress experience."
"I have been a patient of Dr. Kleiver, M.D. for over 10 years. He is very patient and listens to all my questions. His responses has helped me to understand my condition. Always pleasant and caring."
"Everyone was friendly and very informative. They answered all questions in terms I could understand and seemed eager to help."
"very very professional, from the receptionist, the nurses and the doctor, the truth is they made me feel very calm, I recommend it without a doubt"
"It was a great experience. I would recommend this to anyone."
"Very polite and orderly and quite nice. They all make you feel important. I love a doctor who takes time to answer any questions."
"Dr Kliewer and staff were all very professional and very helpful and sensitive to all needs and concerns. Would highly recommend Tulsa Endoscopy and will use them for any future procedures."
"Excellent bedside manner and genuine patient care."
"This man knows what he is doing. Very kind and willing to help no matter what."
"Dr Kliewer went out of his way to really discuss the care options I had and find a solution that worked for me. His office staff is professional and caring and they all make you feel more than cared for in what would otherwise be a very uncomfortable situation."
"Dr. Kliewer, is is very understanding try to get down to the point of what medicines wrong and will sit there and work with you until the problem is solved so totally will recommend"