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Dr. Guillermo Lazo-Diaz, MD

Dr. Guillermo Lazo-Diaz, MD

McAllen, TX

24 Years of Experience

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Lazo-Diaz, Medical Oncologist in McAllen, TX?

    Dr. Guillermo Lazo-Diaz, MD is a Medical Oncologist, who primarily practices in McAllen, TX. He has been practicing for over 24 years and is board certified. Dr. Lazo-Diaz graduated from Universidad Autonoma De Nuevo Leon and completed his residency at University Of Texas At Houston. Dr. Lazo-Diaz is fluent in English and Spanish, and is currently seeing new patients. Dr. Lazo-Diaz’s practice accepts Medicaid, Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Lazo-Diaz’s office at (956) 687-5150.

    Where did Dr. Lazo-Diaz go to medical school and complete their residency?

    • Fellowship: University Of Texas At Houston

    • Residency: University Of Texas At Houston | University of Kansas / School of Medicine

    • Medical School: University Auto De Nuevo Leon, Fac De Med, Monterrey, Nuevo Leon | Universidad Autonoma De Nuevo Leon

    What languages does Dr. Lazo-Diaz speak?

    Dr. Lazo-Diaz and their clinical team can communicate with patients in the following languages:

    • English

    • Spanish

    What conditions does Dr. Lazo-Diaz treat?

    As a Medical Oncologist, Dr. Lazo-Diaz diagnoses, treats, and manages a wide range of conditions. This condition information is derived from anonymized insurance claims and highlights the medical conditions most commonly treated by Dr. Lazo-Diaz. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly.

    Also known as:

    • Iron Deficiency Anemia
    • Anemia
    • Iron
    • Anemia from Iron Lack
    • Low Iron Anemia
    • Sideropenic Anemia
    • Low Red Blood Cell Count
    • Low Hemoglobin
    • Iron deficiency

    ICD-10 Codes:

    • D509: Iron deficiency anemia, unspecified
    • D508: Other iron deficiency anemias
    • D649: Anemia, unspecified

    Also known as:

    • Secondary Polycythemia
    • Monoclonal Gammopathy
    • Blood Disorder
    • Plasma Cell Neoplasms (Including Multiple Myeloma) Treatment (PDQ)
    • High red blood cell count (secondary)
    • Excess red blood cells (secondary)
    • Acquired polycythemia
    • MGUS
    • Plasma Cell Disorder
    • Gammopathy of Undetermined Significance

    ICD-10 Codes:

    • D751: Secondary polycythemia
    • D472: Monoclonal gammopathy

    Also known as:

    • Breast Cancer
    • Upper-Outer Quadrant Right Female Breast Cancer
    • Female Breast Cancer
    • Malignant Breast Tumor
    • Breast Carcinoma
    • Right female breast cancer upper-outer
    • Upper-outer right female breast tumor
    • Malignant growth in upper-outer right female breast

    ICD-10 Codes:

    • C50412: Malignant neoplasm of upper-outer quadrant of left female breast
    • C50411: Malignant neoplasm of upper-outer quadrant of right female breast

    Also known as:

    • High White Blood Cell Count
    • Low White Blood Cell Count
    • Blood Disorder
    • Leukocytosis
    • Elevated leukocyte count
    • High WBC count
    • Leukopenia
    • Low WBC count
    • Immune system weakness

    ICD-10 Codes:

    • D72829: Elevated white blood cell count, unspecified
    • D72819: Decreased white blood cell count, unspecified

    Also known as:

    • Colorectal Cancer
    • Rectal cancer
    • Colon cancer
    • Bowel cancer
    • Malignant neoplasm of rectum
    • Malignant neoplasm of sigmoid colon

    ICD-10 Codes:

    • C20: Malignant neoplasm of rectum
    • C187: Malignant neoplasm of sigmoid colon

    Also known as:

    • Secondary Bone Cancer
    • Bone Cancer
    • Metastatic bone cancer
    • Cancer spread to bone
    • Bone metastases

    ICD-10 Codes:

    • C7951: Secondary malignant neoplasm of bone

    Also known as:

    • Thrombocytopenia
    • Platelet Disorder
    • Low platelet count
    • Platelet deficiency
    • Bleeding disorder

    ICD-10 Codes:

    • D696: Thrombocytopenia, unspecified

    Also known as:

    • Chronic Kidney Disease, Stage 4 (Severe)
    • Chronic Kidney Disease, Stage 3
    • Chronic Kidney Disease
    • Chronic Kidney Disease (CKD)
    • CKD Stage 4
    • Severe Chronic Kidney Disease
    • CKD Stage 3
    • Moderate Chronic Kidney Disease

    ICD-10 Codes:

    • N184: Chronic kidney disease, stage 4 (severe)
    • N1830: Chronic kidney disease, stage 3 unspecified

    Also known as:

    • Prostate Cancer
    • Prostate Cancer Treatment (PDQ®)
    • Prostatic Carcinoma
    • Prostate Gland Cancer
    • Malignant Prostate Tumor

    ICD-10 Codes:

    • C61: Malignant neoplasm of prostate

    Also known as:

    • Cancer Chemotherapy
    • Chemo treatment
    • Oncology chemotherapy
    • Cancer drug therapy

    ICD-10 Codes:

    • Z5111: Encounter for antineoplastic chemotherapy

    Also known as:

    • Multiple Myeloma
    • Plasma Cell Neoplasms (Including Multiple Myeloma) Treatment (PDQ®)
    • Active multiple myeloma
    • Untreated multiple myeloma
    • Plasma cell myeloma

    ICD-10 Codes:

    • C9000: Multiple myeloma not having achieved remission

    Also known as:

    • Chronic Lymphocytic Leukemia
    • Chronic Lymphocytic Leukemia Treatment (PDQ®)
    • CLL
    • B-cell chronic lymphocytic leukemia
    • Lymphocytic leukemia

    ICD-10 Codes:

    • C9110: Chronic lymphocytic leukemia of B-cell type not having achieved remission

    Also known as:

    • Lung Cancer
    • Left Lung Cancer
    • Upper Lobe Lung Cancer
    • Bronchial Cancer

    ICD-10 Codes:

    • C3412: Malignant neoplasm of upper lobe, left bronchus or lung

    Which procedures does Dr. Lazo-Diaz perform as a Medical Oncologist?

    As a Medical Oncologist, procedures performed by a Dr. Guillermo Lazo-Diaz may include:

    For detailed information, please contact Dr. Lazo-Diaz's office.

    Does Dr. Lazo-Diaz accept my insurance?

    Dr. Lazo-Diaz accepts most major insurance plans. Important: Please call our office at (956) 687-5150 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Lazo-Diaz accept in McAllen, TX?

    Dr. Lazo-Diaz in McAllen, TX accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • All Other Third Party

    • Blue Cross Blue Shield of Michigan

    • CVS Health (formerly Aetna)

    • Express Scripts

    • Health Care Service Corporation (HCSC)

    • Keenan and Associates

    • Medica

    • Medicare

    • Molina

    • Texas Independence Health Plan

    View All Insurances

    Where is Dr. Lazo-Diaz's office located?

    Dr. Guillermo Lazo-Diaz's Primary Practice

    1901 S Col Rowe Blvd

    McAllen, TX 78503

    (956) 687-5150

    Get Directions

    What is Dr. Lazo-Diaz's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.

    Dr. Lazo-Diaz's National Provider Identifier (NPI) number is 1760421101.

    What common questions do patients ask about Dr. Lazo-Diaz?

    Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Lazo-Diaz

    What is Dr. Guillermo Lazo-Diaz's specialty?

    Dr. Lazo-Diaz is a Medical Oncologist near McAllen, TX. An internist specializing in the diagnosis and treatment of various cancers and both benign and malignant tumors. This specialist determines and administers therapy for malignancies and collaborates with surgeons and radiation oncologists on additional cancer treatment options. Contact Dr. Lazo-Diaz to book an appointment today.

    Is this Dr. Guillermo Lazo-Diaz affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Lazo-Diaz is affiliated with Dhr Health, Mission Regional Medical Center which are a Castle Connolly Top Hospitals. Castle Connolly Top Hospitals are healthcare institutions recognized for their excellence in specific medical procedures and overall patient care. They are identified through a rigorous peer nomination process, evaluating factors like patient outcomes, quality of care, and expertise. The list recognizes hospitals that excel in 20 or more specific medical procedures, representing the top 25% nationwide. Castle Connolly Top Hospitals

    Where can I learn more about Medical Oncologist?

    Explore Medical Oncologist with insights from trusted medical experts on EverydayHealth.com, where you'll find the most relevant content and helpful condition guides for up-to date information about symptoms, causes, diagnosis, treatment and more. See all our health guides to find trusted information on medical conditions from our experts at Everyday Health.

    Is Guillermo Lazo-Diaz accepting new patients in McAllen, TX?

    Yes, Dr. Guillermo Lazo-Diaz is accepting new patients at this time.

    Does Dr. Guillermo Lazo-Diaz offer online booking?

    Please contact Dr. Lazo-Diaz's office at (956) 687-5150 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Guillermo Lazo-Diaz?

    Please contact Dr. Lazo-Diaz's office at (956) 687-5150 for information regarding telehealth appointment availability or for scheduling assistance.

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