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Dr. Guillermo Lazo-Diaz, MD

Dr. Guillermo Lazo-Diaz, MD

Age 51 Medical Oncology M
(5) 5 reviews

Telehealth available

Accepting New Patients


Dr. Guillermo Lazo-Diaz, MD is a medical oncology specialist in McAllen, TX. He currently practices at Texas Oncology and is affiliated with Doctors Hospital At Renaissance. He accepts multiple insurance plans.

Insurance Accepted

  • Aetna
  • Ambetter
  • Anthem
  • Blue Cross Blue Shield
  • Blue Cross Blue Shield of Texas
  • CareFirst Blue Cross Blue Shield
  • First Health (Coventry Health Care)

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  1. Texas Oncology

    1. 1
      1901 S Col Rowe Blvd, McAllen, TX 78503 Existing Patients: (956) 687-5150

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Very professional. Great bedside manner. Cared about what I had to say. He let me know what to expect.
Chris Pennington — Mar 05, 2021
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Photo: Dr. Guillermo Lazo-Diaz, MD
Dr. Guillermo Lazo-Diaz, MD
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Frequently Asked Questions

Dr. Lazo-Diaz frequently treats Blood Disorders.  

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Hospital Affiliations

  • Doctors Hospital At Renaissance
  • Mission Regional Medical Center
  • Rio Grande Regional Hospital
  • South Texas Health System Edinburg