Our team of compassionate, board-certified gastroenterologists strives to ensure every patient receives cutting-edge treatments using the latest in research and technology, so that all patients can have a positive experience that leaves them with better digestive health. We invite you to see what other patients are saying in order to get a better idea of what it may be like to receive care at our facility. All of our client feedback is taken to heart so that we can continue crafting positive outcomes for future persons requiring our assistance. When you have made an informed decision, please contact our location in Phoenix, AZ to request your consultation for GI treatment.
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- Andrew J. Grade, M.D. (10)
- Andrew K. Collins, M.D. (55)
- George J. Walker, M.D. (1)
- Lindsay Van Dam, ACNP-C (1)
- Mary A. Atia, M.D. (1)
- Robert Tavani, MS, RN, FNP-BC (5)
- Sarabdeep Mann, M.D. (5)
- Shauna Binette, ANP-C (1)
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"Dr. Collins is so very knowledgeable. He was able to solve my health problems."
"Very nice and informative."
"I'd like the office staff. And Dr Collins is a great doctor. My husband goes there as well."
"Dr Collins is so personable. Easy to talk to, and very thorough. I would recommend him to any of my friends or family!"
"If you are in need of a GI doctor I strongly suggest Dr. Andrew Grade. He has been my doctor over 20 years and is doctor to my family members. I have received outstanding care from him and have referred many friends to him, all who have been thrilled with his skills and bedside manner."
"Front desk extremely helpful and professional yet caring. Dr Collins was the most personable and informative Dr I have yet to find in Az. I felt he really cared about me as a patient."
"My visit with Dr. Andrew Collins wa unique in that I haven't been to a Dr. with such professionalism and caring of a patient in many years. Dr. Collins was so caring compassionate and informative that I was so impressed. He took his time with me and was patient with me as I was very nervous. The whole experience from the time I entered the office until I left left me very calm and reassured. I would highly recommend Dr. Collins to any who needed his type of services. Gaye Karlin"
"Wonderful experience I’ve been a patient of Dr Collins fir many years. He exceptional and a treasure! Very intelligent very caring and kind. I have the utmost trust in taking care of my health"
"Thorough, educational, listened, showed interest in patient, took time without a sense of hurrying. Time efficient in that he didn’t waste anyone’s time."
"I've had about four Colonoscopies with Dr. Collins. He was highly recommend to me and now I highly recommend him. He and his office staff are excellent."
"Dr Andrew Grade is awesome! He preformed a colonoscopy on me 10 yrs ago and now it was time for me to come back for another checkup. He has great bedside manners and easy to talk with. He is very skilled in his profession and I highly recommend his services. Thank you for all you do. Not only have you taken care of me but several members of my family as well. See you in 5 yrs Sir, until then bottoms up. Okay to the side. 😊"
"I have been a patient of Dr. Andrew Collins for MANY years and highly recommend him to my family and friends who might have need of his assistance. WE have been a patient of his for many, many years and never hesitate to recommend him to anyone who might have need of his assistance. Most Sincerely, Rosa L. Bowland Martin D. Bowland"
"I have been seeing dr Collins for many years. He is the best. Always takes time to listen and to explain things. He genuinely cares."
"Dr Collins and his staff were extremely professional and efficient. I was called in before my appointment time and was thankful. I was given a printout of my appointment discussions and relevant medical information and a follow up appointment for a year from now before I left office. Amazing service."
"Dr. Collins is wonderful. While treating my digestive/choking problem, he discovered I had a rare Zenker's Diverticulum. In sending me to another specialist that dealt with them, he saved my life. I will be forever grateful to Dr. Collins."
"I've liked this guy every since he called me on a Sunday night to talk about my procedure went for follow up recently didn't take long a great doctor and person"
"I have always received excellent care from Dr Collins during all my appointments and treatments. That is why I have stayed with him for many years."
"Dr. Collins has been very professional from the get- go. I was referred to him by my RN at my primary care physician. Diagnosis and treatment were what I needed and improvement was seen over time and is continuing. Not all was pleasant, but necessary. I view him as someone I can trust, even with some humanity mixed in."
"Feel very confident in his skills and treatments. Easy to talk to and excellent Doctor."
"Professional, friendly, knowledgeable. I recommend Dr. Collins for any GI issues and/or all "GI Maintenance" needs."
"I recently had a Colonoscopy at Desert Endoscopy in Mesa, AZ. Procedure was performed by Dr. Andrew Grade. Dr. Grade and his team of assistants were awesome. They were polite, caring, engaging and above all professional. Dr Grade was very informative with the results. The team was courteous with the follow-up to check on me the next day. I highly recommend Desert Endoscopy, Dr. Grade and his team."
"Dr.Collins is knowledgeable & personable. He listens to concerns and answers any questions patiently. I have recommend him to friends."
"Dr. Collins has always taken the time to answer my questions and explain things thoroughly. He is very patient friendly. I have full confidence in him."
"Dr Andrew Grade has been my gastro dr for the past 6 years. I was impressed with him the first time I met him in the hospital. He has a wonderful bedside manner, takes his time and answers all your questions, very professional and intelligent in his field. He's a top notch Dr. I have had a couple upper and lower GI procedures with no complications. His nurse follows up after your procedure to see how you are doing. His office staff is awesome as well. I would highly recommend Dr Grade."
"We have gone to Dr Collins for over 10 years. He is compassionate and a great man and Dr. I would recommend him highly"
"Dr. Collins is thorough and explains things well. I highly recommend."
"I have been seeing Dr. Andrew Grade for many years. He is always very friendly and upbeat. He truely cares about his patients and their health. He's always easy to talk to and through with his thoughts to get results to make his patients feel better. He does not hesitate to refer to other physicians and works closely with them. I would not hesitate to refer him to friends and family."
"Dr Collins came into his office see my Dad on very short notice. He was patient with us, very detailed and knowledgeable. All of our questions were answered. Couldn't have asked for more. Thank you!"
"Consistent care, usually seen on time. Thorough."
"Very professional and we have had great excellent care and service. Thank you."
"Dr Collins diagnosed my esophagus problem as achalasia some 10 years ago. We have kept a careful eye on it and I have been able with Dr Collins care to live comfortably this whole time. He also has guided me to a stable condition in regards to my tendency to constipation. He is thorough and available for any questions. My kind of doctor!"
"Dr Collins was great very professional very courteous and friendly listened to all my concerns and treated them as if they were his provided more than enough information and answered any questions I had 5 stars!"
"I greatly appreciate his thoroughness at getting to the cause of my problem."
"Dr Collins is always very helpful."
"He’s a good guy always remembers who I am and says to say hi to my wife."
"Dr. COLLINS WAS VERY NICE AND EXPLAINED EVERY THING THAT WILL DO"
"Excellent care by Dr Collins during a critical GI bleed. His professional timely attention and follow-up with explanations in lay terms gave us encouragement & confidence that we were in good hands. Following appointment with his staff, especially Shauna, nurse practitioner, showed care above and beyond ordinary. She took a personal empathic interest, even to the point of arranging a change of appointment with another specialist, so we did not need to handle that. Wonderful caring competent team; we feel fortunate."
"They are the best ! Dr. Walker and Dr. Collins have provide the very best care. I highly recommend them. I have recommended them to my family members. That says it all."
"Very competent compassionate and efficient."
"I was so impressed with Dr. Collins. He was thorough and personable. He was aware of other health issues I have and took those issues into consideration. If I could give him six stars, I would."
"Best Doctor in Mesa."
"I moved from New Jersey 11 months ago. I am so happy to have met Dr. Collins. I have had the same doctor for 20+ years before moving. I have never had such professionalism, care, and concern about my issues. Simply amazing."
"Dr. Andrew Collins is an excellent doctor and knowledgeable in his field. He provides outstanding care and follow up for his patients."
"I have recommended Dr. Andrew Grade to friends and family and they agree he’s awesome. He’s been my trusted specialist for many years."
"I found Dr Collins very thorough in his assessment of my problems. I felt that he really listened to me and gave me adequate time, never feeling rushed through the process. He's very friendly and personable and ,more importantly, very knowledgeable. I have had gastroenterological problems for many years, and I was completely satisfied with the results of his care."
"The best in the business-treat both my wife and I!!"
"This Doctor and his staff are awesome! Not only are they the best at what they do, the entire atmosphere makes you feel totally relaxed----more like you are a guest rather than a patient. I have been going to Dr. Collins for 11 years and would never consider going anywhere else! Thank you, Dr. Collins and staff, for making an undesirable procedure so easy and comfortable!"
"Dr Collins is very patient. He listens very well and is an excellent caring doctor."
"I had a very positive experience when using Dr Collins. He was a very professional and thorough and has a great staff."
"Dr Collins is very professional with a great bedside manner. Very thorough in his explanations in treatment and procedures. I am very happy to have him on my side when needed. Had outpatient surgery and went off without any problems."
"Dr Collins is very compassionate and understanding. I have colonoscopy and an endoscopy and would recommend Dr Collins."
"Dr. Collins is caring and concerned. He took the time to call me personally with results, and I trust him completely. Thanks! Linda"
"Dr Collins let me know exactly what procedures being done, and even gave me photos afterwards. I would highly recommend him."
"I have had a number of procedures performed by Dr. Andrew Grade over the last decade. He always explained what to expect and then also took the time to explain what he saw. His bedside manners are fantastic. He always make you feel comfortable and always demonstrates his caring attitude."