Dr. Mario Alcantara, MD

Dr. Mario Alcantara, MD

Colon & Rectal Surgery  |  
Male  |  
Age 45
Insurances AcceptedSave
Dr. Mario Alcantara, MD is a colon & rectal surgery doctor who practices in San Antonio, TX. He is 45 years old.

225 E Sonterra Blvd Ste 215

San Antonio, TX 78258

Contact Information

(210) 314-7872

Insurance Accepted

  • Aetna
  • Ambetter
  • Amerigroup (Wellpoint)
  • Assurant Health
  • Blue Cross Blue Shield
  • Blue Cross Blue Shield of Texas
  • Cigna
  • Commercial Insurance Company
  • 12 More

*Please verify this information when scheduling an appointment.

Learn about Dr. Alcantara

Be confident in your decisions by checking out your provider's top areas of care, education, patient reviews and more. Learn about finding the right doctor for you

Top Care Areas


See how frequently Dr. Alcantara performs your care needs compared to other doctors.

very high
more than 92% of peers
Open Incisional and-or Ventral Hernia Repair
very high
more than 89% of peers
Gastrointestinal Diseases
more than 91% of peers

Dr. Alcantara's percentages are based on the rate of treatment compared to peers nationwide from insurance data. Learn more info about our data and this Top Care Areas component.

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  • Colon & Rectal Surgery
  • General Surgery

Board Certifications

  • Colon & Rectal Surgery
    Accredited by: American Board of Colon & Rectal Surgery*
  • General Surgery
    Accredited by: American Board of Surgery*

Conditions Treated

  • Abdominal Disorders
  • Abscess
  • Anal Disorders
  • Anal Fissure
  • Anal Fistula
  • Anal Prolapse
  • Anal and Rectal Cancer
  • Anal or Rectal Pain
  • Anorectal Abscess
  • Appendicitis
  • Cancer
  • Colorectal Cancer
  • Constipation
  • Crohn's Disease
  • Gastrointestinal Diseases
  • Hemorrhoids
  • Inflammatory Bowel Disease
  • Intestinal Abscess
  • Intestinal Obstruction
  • Meckel's Diverticulum
  • Secondary Malignancies
  • Ulcer
  • Ulcerative Colitis


  • Abscess or Cyst Drainage or Aspiration
  • Abscess or Fluid Incision and Drainage
  • Appendectomy, Laparoscopic
  • Appendectomy, Open
  • Colectomy
  • Colon and Rectal Surgery
  • Colonoscopy, Proctosigmoidoscopy, and Sigmoidoscopy
  • Cyst Incision and Drainage
  • Dressing and-or Debridement of Wound, Infection, or Burn (incl. Negative Pressure Wound Therapy)
  • Enterostomy (Laparoscopic or Open)
  • Excision of Rectal Tumor
  • Fistulectomy or Fistulotomy, Anal
  • Gastroenterology Procedures
  • Hemorrhoidectomy or Excision of Anal Tags
  • Hernia Repair
  • Intestinal Transplant (incl. Enterectomy)
  • Laparoscopic Surgical Procedure
  • Laparotomy
  • Open Incisional and-or Ventral Hernia Repair
  • Proctectomy, Open or Laparoscopic (incl. Swenson and Duhamel Procedures)
  • Removal or Destruction of Rectal or Intestinal Tumor (incl. Colonoscopy, Proctosigmoidoscopy, Sigmoidoscopy and Control of Hemorrhage)
  • Repair of Anal and Rectal Defects (Anoplasty, Repair of Imperforate Anus, Sphincteroplasty, Rectal Graft)
  • Sphincterotomy

Background Check

0 Malpractice Claims

No malpractice history found for Texas.

0 Sanctions

No sanctions history found for the years that Healthgrades collects data.

0 Board Actions

No board actions found for the years that Healthgrades collects data.


  • Universidad Autonoma De Guadalajara
    Medical School | Graduated

Awards & Recognition

Awards & Honors
  • Healthgrades Honor Roll
Media & Publications

Dr. Alcantara has no media or publications listed.

Languages Spoken

  • English

Memberships & Professional Affiliations

Dr. Alcantara does not have any memberships or affiliations listed. If you are Dr. Alcantara and would like to add memberships or affiliations, please update your profile.

Dr. Alcantara's Reviews

Likelihood of recommending Dr. Alcantara to family and friends
based on 38 total reviews (14 with comments)
Dr. Alcantara's Performance
  • Trustworthiness
  • Explains condition(s) well
  • Answers Questions
  • Time well spent
Office & Staff Performance
  • Scheduling
  • Office environment
  • Staff friendliness
  • Average wait time
    16 to 30 minutes
Patient Comments (14)
Awesome Clinic/staff Thank You!
San Antonio, TX |
Dr Alcantara is professional and compassionate about his work and his patients well being. I feel satisfied with him as my Doctor
in Devine , Texas |
Dr. Alcantara is amazing. A very smart and extremely competitive physician and surgeon. He has always had my best interest at heart and my care, health and well-being.
in San Antonio, TX |
Doctor was great, but receptionist/staff horrible. Not sure who dropped the ball, but was never told or given information on cream the Doctor wanted me to use. I knew I had to buy the fiber but thought the cream was prescription. & the office has absolutely NO concern for my privacy as a patient. The office needs to take OSHA/HIPPA class before one of the patients, who is not as passive about this matter as me,takes this matter further than an online review. Missed work and $100 my copay wasted
in San Antonio, TX |
Great experience with staff, office look and Dr Alcantara had a great way to make me feel safe and in good hands. So far everything is going great. Let's see for the solution of my medical problem. Have a lot of faith in Dr Alcantara.
in San Antonio, TX |
Doc Mario is awesome ... personable and he listens ...
in San Antonio, TX |
So very friendly from the get=go. Answered all my questions.
San Antonio, TX |
Dr Alcantara was extremely professional and took the time to answer all my questions and concerns. Would highly recommend him. Traci was excellent in explaining all aspects of the prep for my surgical procedure.
in San Antonio, TX |
Very pleased with Dr Alcantara's skills but not support staff as they had me wait over hour just to schedule colonoscopy then messed up date and failed to send in prep prescription and had to reschedule
San Antonio,TX |
Very affable and approachable. Like talking to a friend. Knows his stuff!
in San Antonio, TX |
Dr. Alcantara has seen my whole family - great communication with patients . He knows how to relate to patients and provides a high level of care
in San Antonio, TX |
Dr Alcantara did great work in me. Performed surgery to remove a piece of colon diseased by diverticulitis. And fixed other linked issues. He is also very down to earth, compassionate and funny.
San Antonio, TX |
I met Dr.Alcantara when my husband needed an appendectomy. He did an excellent job in a difficult case and he has been very kind to both of us. I was especially grateful that he was responsive to my need for a colonoscopy based on my family history... Much more responsive than I have found in other physicians. He is a very fine doctor in my estimation.
in San Antonio, TX |
Worst experience. I thought I had hemorrhoids, but he told me that it was not a hemorrhoid and feared it could have been cancerous. He put notes all over my chart stating that it was a hemorrhoid knowing that he told me it was not. I dish out almost 1000 then I get another bill for more money because the doctor did coded it as a hemorrhoid but the procedure was not a hemorrhoidectomy. The doctor knew from the get go. And now I have to pay additional dollars. Horrible
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Now Accepting New Patients
Dr. Alcantara accepts 21 insurance carriers
  • Aetna
    Aetna HMO
    Choice Plus POS II
  • Ambetter
    Superior Health Plan
  • Amerigroup (Wellpoint)
  • Assurant Health
  • Blue Cross Blue Shield
    Blue Card PPO
  • Blue Cross Blue Shield of Texas
    Blue Advantage HMO
    Blue Choice
  • Cigna
    Cigna HMO
    Cigna PPO
    Open Access Plus
  • Commercial Insurance Company
  • Coventry Health Care
  • First Health (Coventry Health Care)
    First Health (Coventry Health Care) PPO
  • Government Employees Health Association (GEHA)
  • HealthSmart
  • Humana
    Choice Care PPO
    Preferred PPO
  • Mail Handlers Benefit Plan (MHBP)
  • MedHealthInsurance
  • Medicaid
  • MultiPlan
    MultiPlan PPO
    PHCS Network PPO
  • Tricare
  • UnitedHealthCare
    United Healthcare
  • WellCare

*Please verify this information when scheduling an appointment.

Hospitals where Dr. Alcantara has admitting privileges

Methodist Stone Oak Hospital
1139 E Sonterra Blvd
San Antonio, TX 78258
View Hospital Profile
Methodist Hospital
7700 Floyd Curl Dr
San Antonio, TX 78229
View Hospital Profile
Baptist Medical Center
111 Dallas St
San Antonio, TX 78205
View Hospital Profile

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