Dr. Mario Alcantara, MD

Colorectal Surgeon

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Colon Cancer Screening
225 E. Sonterra Blvd, Suite 215, San Antonio, TX, 78258
311 Camden St, Suite 501, San Antonio, TX, 78215

Qualifications and Experience

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Professional Statement

Mario Alcantara is a skilled and experienced colorectal surgeon serving the community of San Antonio, TX. Dr. Alcantara attended Universidad Autónoma de Guadalajara Facultad de Medicina in Mexico, where he received his medical degree, and completed his residency in general surgery at Suma Akron City Hospital. He continued his training by completing a fellowship in colon and rectal surgery at Christus Santa Rosa. Dr. Alcantara is a part of South Texas Colorectal Center and is affiliated with Methodist Hospital, CHRISTUS Santa Rosa Hospital - Medical Center, and North Central Baptist Hospital in San Antonio, TX. He is board certified by the American Board of Colon and Rectal Surgery and the American Board of Surgery. He speaks English and Spanish fluently, which makes him widely accessible to patients from a variety of cultural backgrounds. Dr. Alcantara is devoted to ensuring the longevity of his patients’ health and developing long-lasting relationships with them. He takes his time to understand symptoms and give correct diagnoses to ensure the continued health of all his patients. All patients seeking treatment from Dr. Alcantara will need to obtain a PCP referral.

Zocdoc Awards

Verified Patient Reviews

(Verified Patient)

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Very polite and respectful. He took the time to answer all of my questions .

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Dr. Alcantara is great. Very straightforward, humorous, and effective. He knows what he's doing. The office staff, not so much. I had one of the first appointments of the day, and still had to wait over an hour to be called back. They lost all of my records since my last visit, and I had to fill out a whole new set of forms. And some members of the staff don't talk to the others - it seems they purposely avoid one another, and won't lift a finger to ask that one extra question that could save you a lot of time - the receptionist in particular. She just blames the rest, and can't be bothered to find things out. But Dr. Alcantara is worth the wait. I just wish the front office staff understood customer service better.

(Verified Patient)

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The doctor made an uncomfortable situation way more comfortable by explaining everything.

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Very professional, answers all questions, treated me with dignity and was very sincere. I trust this doctor very much (difficult for me to do easily). I wish he could also provide PCP because I would be extremely satisfied. His staff is nice, professional, and prompt. No time wasted here!

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(Verified Patient)

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