Gastroenterology Consultants of San Antonio Ambulatory Center

Mario O.

December 16, 2025

12 years ago Dr Donna Mcmyler performed a successful colonoscopy and Yesterday December 15, I attended my appointment for a Colonoscopy and an Endoscopy with Dr Mario Garza, Cindy always helps me out, so kind, it just took 25 minutes in get it done, all the team that work in there is phenomenal, they are so professional, they really take care of your health. I highly recommend that you come and you won't regret it. I give them five well-deserved golden stars.⭐⭐⭐⭐⭐ Thanks and see you next time❗ * Updated on March 31, 2026 today Dr Mario Garza will perform my 3rd and hope the last one, rubber band ligation to remove the internal hemorrhoids, thanks again!

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Shirle Betts

June 4, 2026

I’ve been going here for a while. Always easy to get an appointment. Scheduling follow up appointments are easy as well. They will work with you on times and days you need. Dr James Jackson’s PA is awesome. Her name is Erica Giordano. Very through with her assessment on your issues. I like that they will set you up with testing dates before you leave there. This way you aren’t waiting on someone to call you back. I’d definitely recommend Dr James Jackson, but if you can’t get in to see him, I would 100% recommend Erica Giordano.you won’t be disappointed in them or the clinic itself. All are very professional from the front desk to the checkout team.

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Edward Speed

June 18, 2026

My wife had both an endoscopy and colonoscopy with Dr. Salameh. This is a good example of what surgical centers should be. Excellent communication. All staff were very pleasant. Taken back for procedure at the exact appointment time. Easy free parking . Very nice facility (guest Wi-Fi needs improvement in waiting area). Dr. Salameh very personable.

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Demetrica Johnson

April 21, 2026

Working with Dr. Alvarez was awesome. My first appointment was a bust because of the prep volume. He understood right away and provided me with a second option, which was a prep used for people who have had gastric bypass surgeries. Round two came, and it was easy peasy. Once anesthesia started, their thing. I was out like a light. When it was all said and done, Doc told me I’m good for 10 years. What is the best news to hear post-procedure. The staff was awesome, too. Never forget about that support staff. Big shout-out to the ladies and gents who supported my procedure. But my first colonoscopy was great, and I'll see the Doc in 10 years. Thank you so much for all you do!

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Craig Acord

June 4, 2026

I had an excellent experience with Erica, PA, at Gastroenterology Consultants of San Antonio. Erica is exceptionally bright, knowledgeable, and clearly highly skilled in her profession. Just as important, she has a personality you remember — warm, engaging, confident, and easy to talk to. She took the time to listen, explain things clearly, and made me feel like I was more than just the next patient on the schedule. Her customer service was superb, and that is not something you always find in today’s medical world. Erica represents the practice extremely well, and I would not hesitate to recommend her to anyone needing care. She is a true credit to Gastroenterology Consultants of San Antonio.

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Joe P

April 21, 2026

I recently had a colonoscopy at Gastroenterology Consultants of San Antonio Ambulatory Center with Dr. Garza, and the entire experience was excellent. The nurses, staff, and Dr. Garza were all very attentive, kind, and professional, taking the time to explain each step and answer my questions. What could have been an uncomfortable and stressful procedure was made surprisingly easy and reassuring because of how well I was cared for. I felt listened to, respected, and safe from check-in through discharge. I am very happy with my experience and would highly recommend Dr. Garza and this facility to anyone needing this type of procedure.

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Elsa Martinez

April 23, 2026

I've heard stories but didn't know what to expect for my first Colonoscopy. I am completely impressed with Dr James Alvarez and his staff. I was assisted every step of the way beginning with receiving clear instructions for prep day. I received several phone calls before the procedure by pleasant techs to give me information and be available for questions. The day of the procedure, every employee was kind and reassuring and letting me know what to expect next before anything was done. The nurses were pleasant, the anesthesiologist was kind and informative and Dr James Alvarez was reassuring. After the procedure, Dr Alvarez took time to explain the outcome, give the next steps and was available for questions. I highly recommend Dr Alvarez and Gastroenterology Consultants of San Antonio Ambulatory Center. They give excellent Customer service and an overall best possible experience in my opinion. Thank you.

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Pat Johnson

February 10, 2026

I have been going to GCSA for about 20 years and have always received excellent care. Dr. Jackson and PA Giordano are outstanding practitioners. They are knowledgeable, patient and have an outstanding "bedside manner". Support staff in the office are always pleasant and professional. Overall, I highly recommend GCSA.

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