The GI professionals at San Antonio Gastroenterology Associates are dedicated to providing compassionate care to all of our patients. By utilizing new and innovative technologies and advanced treatment approaches, we are proud to be one of the largest gastroenterology groups in the San Antonio, TX area. We take the time to make sure our patients feel heard and that their treatment plans are created with their needs in mind. You don't have to take our word for it — please take some time to browse through reviews left by past and present patients.
"Dr Alvarez is awesome. I’ve been his patient since 2019. He also had visited me at St Luke’s even prior to 2019. He’s observed all the progress I’ve made. He is really concerned regarding my GI health issues since I’ve had as (pediatric) a baby. He’s more than an awesome Gastro physician. I consider him a friend. 💙"
"De Alavez is very patient and attentive to listening to the medical condition I’m going through, very professional along with his team , I recommended with 5 starts"
"Dr. John J. Alvarez is very knowledgeable and professional doctor. I will continue to see him for future medical needs. I highly recommend him. Thank you Dr. Alvarez."
"This was my very first visit to this doctor.and I was very pleased the way He treated me. With a lot of respect and explained all that was going to be done.never have I been treated with such respect. I'm very grateful and completely satisfied."
"Dr. Alvarez takes his time during my appointments, asks questions and truly listens to me. It’s because of him, we are finally figuring out what is going on. My previous GI just wanted me to keep taking fiber, but that’s not what the issue was. I’m so thankful for Dr. Alvarez."
"Dr. Alvarez is very professional and caring. He explains everything very thoroughly. I very highly recommend him. Thank you Dr. Alvarez for your help and providing the best possible care."
"Dr Álvarez is one of the kindest Dr’s I’ve had the pleasure of meeting. He made me feel like he genuinely cared about my situation. I was able to schedule an appointment with him within 2 days for a procedure that needed to be handled in a timely manner, he did everything in his power to make it happen. I highly recommend Dr Álvarez for all you gastrointestinal needs."
"I was quite impressed with Dr Alvarez, for a young Doctor he presents old fashioned doctors qualities and he actually spends time to hear and answer all your concerns. I feel very comfortable 😉👌"
"The staff and Dr. were friendly and professional. While the wait was a bit long they have your visit set up to move you from one office space to another to be collect various vital data. The Dr. Is thorough and encourages pertinent dialogue. It was a very comfortable first visit."
"Dr. Alvarez played one of the most integral roles in my well being, not only physically, but mentally as well. I honestly couldn’t have asked for a more professional, kind, and understanding gastroenterologist. I’ve actually already referred others to him and his staff."
"Outstanding doctor. This is my second endoscopy procedure done by Dr Alvarez. Both procedures were done with no complications and in a timely manner. Outstanding medical staff. Great job Dr Alvarez and staff!!!"
"He’s a great doctor doesn’t rush you . Got me in quickly. Scheduled colonoscopy appointment quickly. Just a nice doctor . Can’t say that about many ."
"Dr. Alvarez is very personable and compassionate-! Listens intently and has complete follow-through with your concerns-! Would highly recommend him to anyone with gastric issues-!"
"(Translated by Google) Excellent doctor, concerned about his patients, attentive, affectionate, I recommend him (Original) Excelente médico,preocupado por sus pacientes,atento,cariñoso ,lo recomiendo"
"I prefer the medical area office but Euclid office is well staffed with a great crew. Dr. Alvarez is wonderful and sees me every 6 mos to make sure I’m doing well."
"Dr. Alvarez saved my life! He made me feel comfortable and made sure I understood what would happen with each procedure. He has an excellent bedside manner. I hope I never need to see him again, but if I do I know I'll be in good hands with Dr. Alvarez."
"10 years ago I had a colonoscopy with Dr. Ramos. And in 20022 the second one followed, but they told me now it will be Dr. Alvarez, I don't know him and to my surprise, how kind the doctor and his staff were, for their attention. Thank you"
"I enjoyed meeting Dr. Alvarez to discuss my upcoming procedure. His patient and caring spirit was evident during our conversation, and I feel comfortable knowing he will be conducting my upcoming procedure."
"My experience with Dr. Alvarez has always been very good. No matter how minor or serious your problem is. He takes the time to listen to you. And I've never seen him in a bad mood. Always comes in and greets you with a smile. And doesn't make you feel like an insurance claim. I have seen many doctors over the years and I can say with a sincere heart Dr. Alvarez is a professional,very knowledgeable, and very caring. It's a shame not all doctors could be like him. I would highly recommend Dr. Alvarez to anyone who needs a Gastroenterology doctor."
"10 years ago I had a colonoscopy with Dr. Ramos. And by 20022 the second was still going on, but they told me now it will be Dr. Alvarez, I don't know him and to my surprise, what kindness of the doctor and his staff, for your attention Thank you"
"Clean and friendly staff.. Dr. Alvarez is someone I would highly recommend. He is very kind and patient. Always explains things thoroughly and very professional."
"(Translated by Google) 10 years ago I had a colonoscopy with Dr. Ramos. And by 20022 the second was still going on, but they told me now it will be Dr. Alvarez, I don't know him and to my surprise, what kindness of the doctor and his staff, for your attention Thank you (Original) Hace 10 años tuve, colonoscopy con el doctor Ramos.y para el 20022 seguia la segunda , pero me dijeron ahora va a ser el doctor Alvarez, no lo conosco y para mi sorpresa , que amabilidad del doctor y su personal,por su atencion Gracias"
"Dr. Alvarez...is first and foremost a great listener. He actually listens to what symptoms you are having and helps formulate a health plan that will work for you."
"I met Dr. John Alvarez, for the first time, just about 2 weeks ago. I wanted to have a deep and thorough conversation with my new doctor, as I have a very complicated health history and my colonoscopy and endoscopy were due. I was very pleased and put at ease with Dr. Alvarez' professionalism, his patience and his willingness to LISTEN! I highly reccomend the office of Dr. John Alvarez."
"Dr John Alvarez is very professional at his work, and his staff is also I Highly recommend him. Happy New Year too Dr Alvarez and staff keep up the great work. 👍"
"My experiences with dr. Alvarez have been very enlightening and very helpful and being he's my new doctor is taking over for my formers gastrologist I am very much pleased I would recommend him to anyone he does such a great job his bedside manner makes you feel more like family than like a patient and that's how I feel with all my doctors cuz we have to be family in order to make things work in unison Saga"
"Dr. J.Alvarez has been most caring and simple in his approach to addressing symptoms and concerns. I always feel free to ask questions and he truly listens. I find him knowledgeable in his specialty. It is regretful that his assistant/staff do not return calls and do not communicate test results"
"Dr. Alvarez Is very caring and understanding. He takes time to listen and genuinely cares about what you're feeling. I feel comfortable talking to him. He spends time explaining my condition and answering all of my family's questions and concerns on every visit. Other doctors never fully listened or cared. Some even interrupted me when I was explaining my symptoms...Not Dr Alvarez. He took interest and was able to diagnose and treat my ulcerative colitis. He helped me through several treatment options until we found the one that worked for me and accomplished remission this year. I'm forever extremely thankful for Dr. Alvarez!"
"Dr. John J. Alvarez is very knowledgeable, compassionate and caring! He listen to you and make you feel very welcome! I highly recommend Dr. Alvarez for your Gastroenterology needs!"
"Hands down the best GI. If you are looking for a Dr. Dr Alvarez is the way to go. You will be very well taken care of. Plus his staff are also very helpful."
"Dr.Alvarez was very awesome. For years I suffered from a issue he solved it pretty quick I’m very happy and thankful. He would definitely recommend him."
"Dr.Alvarez and his staff were very kind to me from day 1, he is very professional and he listens to his patients. I told him what the issue was and the next week I had the colonoscopy done. He is definitely going to be my new GI Physician, if you are looking for a kind, professional MD, he is the guy for you."
"It was not easy for me to find or trust a Gastroenterologist since my bad experience with the previous one. Not to mention having to go through another endoscopy. Dr John Alvarez erased that from my memory from the first time I visited his clinic. Dr Alvarez Liston to you , answers all your questions and explains everything patiently and he is very understanding to your needs. Thank you for being my DOCTOR"
"Dr.Alvarez took the time to listen to all of my concerns and made me feel very comfortable. Explained the procedures and made me feel at ease. Great dr."
"Dr. Alvarez was very attentive and treated me with respect. I felt he did a thorough procedure of my pancreas and I have confidence in his ability as a gastroenterologist. I highly recommend him."
"Very nice GI doctor..he explains things to you and is very professional..and smiles at you. In my last visit he took care of my problem by ordering the right medications.good job doc"
"VERY PUNCTUAL IN APPOINTMENTS.. PROFESSIONAL IN HIS BRANCH.. VERY SINCERE.. EXPLAINS EVERYTHING VERY WELL.. VERY GOOD DOCTOR.. AND THE BEST OF ALL IS THAT HE STILL HAS NOT FORGET HIS ROOTS AND SPEAKS VERY GOOD SPANISH... I RECOMMEND AS A PROFESSIONAL DOCTOR WHAT IS IT... EXCELLENT JOB."
"Dr.Alvarez and his staff were very kind to me from day 1, he is very professional and he listens to his patients. I told him what the issue was and the next week I had the colonoscopy done. He is definitely going to be my new GI Physician, if you are looking for a kind, professional MD, he is the guy for you."
"VERY PUNCTUAL IN APPOINTMENTS.. PROFESSIONAL IN HIS FIELD.. VERY SINCERE.. EXPLAINS EVERYTHING VERY WELL.. VERY GOOD DOCTOR.. AND THE BEST OF ALL IS THAT HE STILL HAS NOT FORGOTTEN HIS ROOTS AND SPEAKS VERY GOOD SPANISH... I RECOMMEND AS A PROFESSIONAL DOCTOR WHAT IS IT... EXCELLENT JOB."
"Dr.Alvarez , he knows his job and can tell you what he is going to do in a way so you can understand it.I would go back any time. Thank you Dr.Alvarez"
"I was very nervous about my procedure but everyone from the staff to Dr. Alvarez was very attentive towards my needs and personal concerns. The attending Anesthesiologist was reassuring and empathetic, which helped me immensely. I greatly appreciated the Nurses attention to detail and their commitment towards my wellbeing. Thank you to All, for making my experience more manageable."
"(Translated by Google) VERY PUNCTUAL IN APPOINTMENTS.. PROFESSIONAL IN HIS FIELD.. VERY SINCERE.. EXPLAINS EVERYTHING VERY WELL.. VERY GOOD DOCTOR.. AND THE BEST OF ALL IS THAT HE STILL HAS NOT FORGOTTEN HIS ROOTS AND SPEAKS VERY GOOD SPANISH... I RECOMMEND AS A PROFESSIONAL DOCTOR WHAT IS IT... EXCELLENT JOB. (Original) MUY PUNTUAL EN LAS CITAS.. PROFESIONAL EN SU RAMO.. MUY SINCERO.. EXPLICA TODO MUY BIEN.. MUY BUEN DOCTOR.. Y LO MEJOR DE TODO ES QUÉ AÚN NO OLVIDA SUS RAICES Y HABLA UN MUY BUEN ESPAÑOL... LO RECOMIENDO CÓMO PROFESIONAL DOCTOR QUÉ ES.. EXCELENTE TRABAJO."
"Dr.Alvarez was the first to diagnose me and helped me manage my illness. He is very thorough and will answer any questions or concerns you have. You never feel rushed into anything and are given the opportunity to become familiar with the options to help you feel better. Thank you Dr.Alvarez"