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Dr. Diane Duyen Nguyen, DO

Harlingen, TX

18 Years of Experience

Accepting patients

    Who is Dr. Nguyen, Medical Oncologist in Harlingen, TX?

    Dr. Diane Duyen Nguyen, DO is a Medical Oncologist, who primarily practices in Harlingen, TX with 1 additional practice location. She has been practicing for over 18 years and is board certified. Dr. Nguyen is fluent in English and Vietnamese, and is currently seeing new patients. Dr. Nguyen’s practice accepts Medicare, Aetna, Cigna, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Nguyen’s office.

    What are Areas of Expertise for Dr. Nguyen?

    Dr. Diane Duyen Nguyen, DO is a highly-rated, board-certified Medical Oncologist known for expertly diagnosing, treating, and managing a wide array of related conditions and procedures. Utilizing the latest medical advancements and evidence-based practices, Dr. Nguyen empowers patients to confidently navigate their health journey, specializing in Breast Cancer, Gastrointestinal Cancer, Head & Neck Cancer, Hematologic Malignancies, Ovarian Cancer, and comprehensive wellness support. Serving the Harlingen, TX community, Dr. Nguyen is dedicated to enhancing lives through expert, patient-centered care.

    Where did Dr. Nguyen go to medical school and complete their residency?

    • Medical School: West Virginia School of Osteopathic Medicine

    Is Dr. Nguyen board certified as a Medical Oncologist?

    Yes, Dr. Diane Duyen Nguyen, DO is board certified by the American Board of Internal Medicine

    What languages does Dr. Nguyen speak?

    Dr. Nguyen and their clinical team can communicate with patients in the following languages:

    • English

    • Vietnamese

    What conditions does a Medical Oncologist like Dr. Nguyen typically treat?

    As a Medical Oncologist, Dr. Nguyen 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. Nguyen. 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. Learn more about our claims-based healthcare methodology.

    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
    • D649: Anemia, unspecified

    Also known as:

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

    ICD-10 Codes:

    • Z5111: Encounter for antineoplastic chemotherapy

    Also known as:

    • Chronic Hepatitis C
    • Hepatitis C
    • Long-term Hepatitis C
    • Persistent Hepatitis C
    • Hep C

    ICD-10 Codes:

    • B182: Chronic viral hepatitis C

    Also known as:

    • Myelodysplastic Syndrome
    • Myelodysplastic Syndromes
    • Myelodysplastic Syndromes Treatment (PDQ®)
    • MDS
    • Preleukemia
    • Bone marrow failure disorder

    ICD-10 Codes:

    • D469: Myelodysplastic syndrome, unspecified

    Also known as:

    • Vascular Access Device Management
    • Vascular Access Care
    • Port Management
    • Catheter Care

    ICD-10 Codes:

    • Z452: Encounter for adjustment and management of vascular access device

    Also known as:

    • Breast Cancer
    • Mammary cancer
    • Breast carcinoma
    • Breast tumor

    ICD-10 Codes:

    • C50911: Malignant neoplasm of unspecified site of right female breast

    What procedures does a Medical Oncologist like Dr. Nguyen typically perform?

    As a Medical Oncologist, procedures performed by Dr. Diane Duyen Nguyen may include:

    Please contact Dr. Nguyen's office directly to confirm care for your specific procedure, for more information, or to schedule a consultation.

    Does Dr. Nguyen accept my insurance?

    Dr. Nguyen accepts most major insurance plans. Important: Please call our office at before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Nguyen accept in Harlingen, TX?

    Dr. Nguyen in Harlingen, TX accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • Aetna

    • Blue Cross Blue Shield

    • Blue Cross Blue Shield of Illinois

    • Blue Cross Blue Shield of Michigan

    • Cigna Group

    • CMS

    • Elevance Health Inc. (formerly Anthem)

    • Humana

    • Keenan & Associates

    • Medicare

    View All Insurances

    Where is Dr. Nguyen's office located?

    Dr. Diane Duyen Nguyen's Primary Practice

    2902 Haine Dr

    Harlingen, TX 78550

    Get Directions

    Dr. Diane Duyen Nguyen's Practice 2

    205 E Toronto Ave

    McAllen, TX 78503

    Get Directions

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

    Dr. Nguyen's National Provider Identifier (NPI) number is 1023233756.

    What common questions do patients ask about Dr. Nguyen?

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

    What is Dr. Diane Duyen Nguyen's specialty?

    Dr. Nguyen is a Medical Oncologist near Harlingen, TX.

    What does a Medical Oncologist do?

    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.

    Is this Dr. Diane Duyen Nguyen affiliated with a ranked Castle Connolly Top Hospital?

    No, Nguyen is not affiliated with a Castle Connolly Top Hospital. Castle Connolly Top Hospitals 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

    When to see a Medical Oncologist?: Guides for symptoms, conditions, and treatments

    Understand your symptoms and know when it’s time to see a Medical Oncologist. Explore 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 Diane Duyen Nguyen accepting new patients in Harlingen, TX?

    Yes, Dr. Diane Duyen Nguyen is accepting new patients at this time.

    Does Dr. Diane Duyen Nguyen offer online booking?

    Please contact Dr. Nguyen's office for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Diane Duyen Nguyen?

    Please contact Dr. Nguyen's office for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. Diane Duyen Nguyen have?

    Dr. Diane Duyen Nguyen is certified by the American Board of Internal Medicine.

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