Mario Alcantara, MD
5.0(14 reviews)
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Mario Alcantara, MD
Colon & Rectal Surgeon - General

Highlights

  • Board Certified

Biography

Mario Alcantara, MD is a Colon & Rectal Surgeon - General practicing in San Antonio, TX

He has not yet shared a personalized biography with Doctor.com.

Featured Review See More Reviews

Very happy with Dr Alcantara…

Anonymous

Summary

Provider Training

CertificationCert. BodyYear
SurgerySurgeryNot Specified

Specialties

Languages Spoken
English
Medical Specialties
  • Colon & Rectal Surgeon

Years In Practice: 18 (started in 2008)

Accepts New Patients: Yes

Payment Options

Payment Details

Reviews

Average Rating: 5.0
Number of Reviews: 14
Most Recent Review: 08/14/2026
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Office & Staff Evaluation 5.0

Ease of Getting an Appointment 5.0
Courtesy of Practice Staff Not rated
Office Appearance & Atmosphere Not rated
Handling of Billing Matters Not rated
Average Wait Time Not Rated

Provider Evaluation 5.0

Listening Skills 5.0
Clear Explanations 5.0
Trust in Decision Making 5.0
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Verified Patient

“Very happy with Dr Alcantara...”

Very happy with Dr Alcantara

Anonymous 08/14/2026
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Verified Patient

“Good experience...”

Good experience

Anonymous 04/06/2026
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Verified Patient

“Dr. Alcantara is exceptional! I ...”

Dr. Alcantara is exceptional! I just hope he can find a treatment that can work for me.

Anonymous 02/24/2026
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Verified Patient

“For my 1st time it was nerve wra...”

For my 1st time it was nerve wracking but the staff made me relaxed and assured me that all was going to be ok.

Anonymous 01/31/2026
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Verified Patient

“Good...”

Good

Anonymous 12/30/2025
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Verified Patient

“Timing for the visit. Spent almo...”

Timing for the visit. Spent almost an hour there.

Anonymous 04/24/2026
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Verified Patient

“Wonderful...”

Wonderful

Anonymous 03/18/2026
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Verified Patient

“Good experience...”

Good experience

Anonymous 02/04/2026
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Verified Patient

“Outstanding in all areas of enga...”

Outstanding in all areas of engagement...he listens, he cares!

Anonymous 01/24/2026
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Verified Patient

“I liked that Dr Alcantara explai...”

I liked that Dr Alcantara explained my condition and possible treatments and outcomes. No unnecessary treatment options were mentioned. I went as a precaution, feeling that the condition that had been identified on a CT scan was really not a major concern. The Dr verified this and recommended periodic monitoring. I don't like to visit this office, primarily because it is overly booked, the waiting room feels cold and claustrophobic and wait times are too long. My experience with waiting was not unique as another patient wheDr. asked verified she was 1 hour past her appt with the same dr.

Anonymous 12/11/2025
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Locations

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Procedures & Services

Procedures & Treatments Offered

    Commonly Prescribed Medications

    Mario Alcantara, MD has not yet listed the medications that he commonly prescribes.

    Accepted Insurance

    Accepted Insurance

    Mario Alcantara, MD has not yet specified the insurance plans he accepts.