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Dr. Guillermo Lazo-Diaz, MD

Dr. Guillermo Lazo-Diaz, MD

Medical Oncology*
30+ years of experience

Dr. Guillermo Lazo-Diaz, MD is a medical oncologist in McAllen, TX and has over 30 years of experience in the medical field. Dr. Lazo-Diaz has extensive experience in Pancreatic Neoplasms, Renal Neoplasms & Resection, and Pulmonary Neoplasms. He graduated from UNIVERSITY OF BURUNDI / FACULTY OF MEDICINE in 1993. He is affiliated with medical facilities such as Doctors Hospital at Renaissance and Rio Grande Regional Hospital. He is accepting new patients and telehealth appointments.

3.7 Star Rating
Based on 6 reviews 3.7 Star Rating (6 reviews)

Practice

1901 N Col Rowe Blvd McAllen, TX 78501
Telehealth available

Make an Appointment

(956) 687-5150

Hospital Highlight

Dr. Lazo-Diaz is affiliated with Rio Grande Regional Hospital McAllen, a highly rated hospital.

At a Glance

  • Areas of Expertise
    Dr. Lazo-Diaz specializes in the areas of Internal Medicine & Medical Oncology. • See board certifications
  • Friendly Staff
    Patients said the staff was friendly. • See reviews
  • Offers Telehealth
    This doctor offers telehealth appointments. Call the office to schedule an appointment.
  • Practices at Top Hospital
    Patient Safety Excellence Award™ • See hospitals
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Dr. Lazo-Diaz's Reviews

Likelihood to recommend Dr. Lazo-Diaz

3.7

6 ratings, 5 with a written review
5 Star
67%
67%
4 Star
0%
0%
3 Star
0%
0%
2 Star
0%
0%
1 Star
33%
33%

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RecentHighestLowestMost Helpful
What went well
No results
What could be improved
  • Difficult to schedule appointment
  • Didn't listen or answer questions
  • Didn't explain conditions well
  • Staff wasn't friendly
  • Appointment was rushed
  • Didn't trust the provider's decisions
Helpful
Estela – Feb 11, 2024
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What went well
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
  • Wait times
What could be improved
No results
1 person found this helpful
Helpful
Chris Pennington – Mar 05, 2021
×Post a ResponseAre you Dr. Guillermo Lazo-Diaz, MD?
What went well
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Trusted the provider's decisions
What could be improved
No results
Helpful
Pablo Villescas – Feb 27, 2021
×Post a ResponseAre you Dr. Guillermo Lazo-Diaz, MD?
What went well
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
  • Wait times
What could be improved
No results
Helpful
Eunice – Feb 27, 2021
×Post a ResponseAre you Dr. Guillermo Lazo-Diaz, MD?
What went well
No results
What could be improved
  • Didn't explain conditions well
  • Didn't trust the provider's decisions
1 person found this helpful
Helpful
Dec 29, 2019
×Post a ResponseAre you Dr. Guillermo Lazo-Diaz, MD?

Leave a review

How was your experience with Dr. Lazo-Diaz?

Know Before You Go

About Me

care philosophy

We are steadfast in our commitment to our core mission: to bring hope and a better quality of life to our patients. Every patient who entrusts their care to us is unique, and every fight, critical.

biography

Texas Oncology is an independent private practice with more than 500 physicians and 210 locations across the state. Meeting the oncology needs of Texans for more than 35 years, the practice includes Texas Center for Proton Therapy, Texas Breast...read more

  • Medical Oncology

  • Hematology

*Healthgrades does not verify qualifications for medical specialties. Please verify your provider's specialty and qualifications directly with your provider and applicable medical board.

  • University Of Burundi / Faculty Of Medicine

    Medical School, 1993
National Board of Physicians and Surgeons®
National Board of Physicians and Surgeons®
- 
Internal Medicine
- 
Medical Oncology
For detailed information about any of the below board actions, please search for the provider's records on the linked state licensing board or the Federation of State Medical Boards. To learn more about the difference between these sources, please refer to our FAQs.
Healthgrades has not received any data indicating a board action exists for this provider.

Healthgrades receives board action history for physicians and physician assistants. The information displayed here is sourced from independent information providers, such as state board websites, and may not be the most up-to-date information. Healthgrades makes no representations with respect to the accuracy of any information provided here and assumes no responsibility or liability for such information.

Learn more about medical license public record check

  • English

  • Spanish

Focus on Breast Cancer

Locations

Practice

Office1901 N Col Rowe Blvd McAllen, TX 78501
1

Practice

Texas Oncology Pharmacy-McAllen1901 S Col Rowe Blvd McAllen, TX 78503
2
  • Call
  • Fax
  • Hours
    • Mon: 8:00am - 5:00pm
    • Tue: 8:00am - 5:00pm
    • Wed: 8:00am - 5:00pm
    • Thu: 8:00am - 5:00pm
    • Fri: 8:00am - 5:00pm
  • Directions

Affiliated Hospitals

  • Rio Grande Regional Hospital

    101 E Ridge Rd
    McAllen, TX 78503
    Recipient of 18
    hospital awards

    Patient Safety Excellence Award™ (2025, 2024, 2023)

    Top in the nation for providing excellence in patient safety by preventing infections, medical errors, and other preventable complications

    View all awards

    How patients felt about the care they received at this hospital.

    79%
    Patients said they were given information about recovering at home

    5% lower than the national average

    75%
    Patients said that doctors always listened to them and explained things well

    1% lower than the national average

    View all patient feedback

  • Mission Regional Medical Center

    900 S Bryan Rd
    Mission, TX 78572
    Recipient of 7
    hospital awards

    How patients felt about the care they received at this hospital.

    84%
    Patients said they were given information about recovering at home
    77%
    Patients said that doctors always listened to them and explained things well

    1% higher than the national average

    View all patient feedback

  • South Texas Health System Edinburg

    1102 W Trenton Rd
    Edinburg, TX 78539
    Recipient of 3
    hospital awards

    How patients felt about the care they received at this hospital.

    78%
    Patients said they were given information about recovering at home

    6% lower than the national average

    72%
    Patients said that doctors always listened to them and explained things well

    4% lower than the national average

    View all patient feedback
Learn more about how Healthgrades measures Hospital Quality