Summary

Dr. Guillermo Portillo is a surgeon with 27 years of experience serving patients in the San Antonio area. He earned his medical degree from the University of New Mexico School of Medicine and completed his residency at University Hospital. Dr. Portillo specializes in surgery with particular expertise in treating complex conditions. He provides care to patients in English.

Dr. Portillo practices at Baptist Medical Center in San Antonio, Texas. He focuses on helping patients with obesity and weight management challenges, including pediatric obesity cases. His surgical expertise includes treating ventral hernias and performing specialized pathology procedures. Patients consistently rate Dr. Portillo highly, giving him an average rating of 5.0 for his compassionate care and surgical skill.

AI-generated from data on this provider profile.

Quick Facts

  • accepting new patients
  • 5
  • 27 years of experience
  • 29 insurance plans accepted
  • speaks English
  • UNIVERSITY HOSPITAL
  • 7 written reviews
  • 1 award
  • 1 specialty
  • 1 area of expertise
  • 1 board certification
  • 1 hospital affiliation
  • 1 office location
  • Male

Patients’ Perspective

  • Flexible scheduling

Awards

  • Vitals Preferred Provider

    • Vitals Preferred Provider Award
      • Preferred Provider badge recognizes providers that are committed to transparency, responsiveness and great service to patients, and have earned a high patient satisfaction rating.

  • Click for our Methodology

Office Location

South Texas Surgical Group

311 Camden St Ste 409San Antonio, TX 78215
Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 5:00 pm
SatClosed
SunClosed

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Dr. Guillermo Portillo, MD
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Dr. Guillermo Portillo, MDDr. Allan Joseph Cribbins III, MDDr. Jonathan Redmon, MDDr. Peter Yu, MD
SurgerySurgerySurgerySurgery
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
4.6 
4.5 
27 Years of Experience 31 Years of Experience 7 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available Virtual Visit Available
Speaks English Speaks English Speaks English Speaks English
San Antonio , TXPlano , TXHouston , TXCypress , TX
Med School: University of New Mexico School of Medicine Med School: University of Pittsburgh School of Medicine Med School: The University of Texas Medical School, Houston, TX Med School: UT McGovern Medical School
Current Profile
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Insurance Plans Accepted by Dr. Guillermo Portillo

  • Accepts Medicare
  • Accepts Medicaid
  • Aetna
  • Aetna - Medicaid
  • Aetna - Medicaid (Managed)
  • Anthem Blue Cross
  • Blue Cross Blue Shield
  • Blue Cross Blue Shield of Texas
  • CareFirst Blue Cross Blue Shield
  • CareFirst Blue Cross Blue Shield - PPO
  • CHAMPVA
  • Cigna
  • Community First Health Plans
  • Driscoll Health Plan
  • Humana
  • Humana - Medicare (Advantage HMO)
  • Medicaid - Medicaid
  • Medicaid - Medicaid (Managed)
  • Medicare
  • Medicare - Medicaid
  • Medicare - Medicare
  • Molina Healthcare
  • Molina Healthcare - HMO
  • Molina Healthcare - Medicare (Advantage HMO)
  • Oscar Health Insurance
  • PreferredOne
  • Superior HealthPlan - Medicaid (Managed)
  • Texas Children's Health Plan
  • Tricare
  • UnitedHealthcare
  • UnitedHealthcare - Medicare (Advantage HMO)

Medical Specialties

Dr. Guillermo Portillo has the following specialty

Specialty Expertise

Dr. Guillermo Portillo has the following area of expertise

  • Laparoscopic Surgery (Laparoscopy)

Certifications, License, & Education

27 Years Experience

MEDICAL LICENSE

Medical Doctor, Texas, 2026, Expired

EDUCATION & TRAINING

Residency

UNIVERSITY HOSPITAL

Medical School

University of New Mexico School of MedicineGraduated in 1999

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Frequently Asked Questions

Does Dr. Guillermo Portillo accept virtual/telehealth appointments?
Dr. Guillermo Portillo has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Which hospitals is Dr. Guillermo Portillo affiliated with?
Dr. Guillermo Portillo is affiliated with Baptist Medical Center.
Where is Dr. Guillermo Portillo's office located?
Dr. Guillermo Portillo's office is located at 311 Camden St Ste 409, San Antonio, TX, 78215.
What languages does Dr. Guillermo Portillo speak?
Dr. Guillermo Portillo speaks English.
Does Dr. Guillermo Portillo accept my insurance?
You can see the insurance plans that Dr. Guillermo Portillo accepts on their Vitals profile.

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