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Dr. Brett Herzog, MD, PHD

Shiloh, IL

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Herzog, Medical Oncologist in Shiloh, IL?

    Dr. Brett Herzog, MD, PHD is a Medical Oncologist, who primarily practices in Shiloh, IL with 1 additional practice location. He is board certified. Dr. Herzog is fluent in English, and is currently seeing new patients. Dr. Herzog’s practice accepts Medicare, Aetna, Cigna, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Herzog’s office at (314) 362-5000.

    What are Areas of Expertise for Dr. Herzog?

    Dr. Brett Herzog, MD, PHD is a highly-rated, board-certified Medical Oncologist known for expertly diagnosing, treating, and managing a wide array of related conditions or procedures. Utilizing the latest medical advancements and evidence-based practices, Dr. Herzog empowers patients to confidently navigate their health journey, specializing in Lung Cancer, or comprehensive wellness support. Serving the Shiloh/IL community, Dr. Herzog is dedicated to enhancing lives through expert, patient-centered care.

    What languages does Dr. Herzog speak?

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

    • English

    What conditions does Dr. Herzog treat?

    As a Medical Oncologist, Dr. Herzog 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. Herzog. 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:

    • Lung Cancer
    • Left Lung Cancer
    • Upper Lobe Lung Cancer
    • Bronchial Cancer
    • Right upper lobe lung cancer
    • Bronchial cancer
    • Malignant neoplasm of lung
    • Pulmonary cancer
    • Right lower lobe lung cancer
    • Right lung cancer
    • Malignant Lung Tumor
    • Right Lung Cancer
    • Left lower lobe lung cancer
    • Middle Lobe Lung Cancer

    ICD-10 Codes:

    • C3412: Malignant neoplasm of upper lobe, left bronchus or lung
    • C3411: Malignant neoplasm of upper lobe, right bronchus or lung
    • C3490: Malignant neoplasm of unspecified part of unspecified bronchus or lung
    • C3431: Malignant neoplasm of lower lobe, right bronchus or lung
    • C3491: Malignant neoplasm of unspecified part of right bronchus or lung
    • C3492: Malignant neoplasm of unspecified part of left bronchus or lung
    • C3481: Malignant neoplasm of overlapping sites of right bronchus and lung
    • C3432: Malignant neoplasm of lower lobe, left bronchus or lung
    • C342: Malignant neoplasm of middle lobe, bronchus or lung

    Also known as:

    • Cancer Chemotherapy
    • Cancer Radiation Therapy
    • Cancer Immunotherapy
    • Radiation Therapy
    • Radiation Therapy to Treat Cancer
    • Chemo treatment
    • Oncology chemotherapy
    • Cancer drug therapy
    • Radiation treatment for cancer
    • Oncology radiation
    • Radiotherapy
    • Oncology immunotherapy
    • Immune therapy for cancer

    ICD-10 Codes:

    • Z5111: Encounter for antineoplastic chemotherapy
    • Z510: Encounter for antineoplastic radiation therapy
    • Z5112: Encounter for antineoplastic immunotherapy

    Also known as:

    • Dehydration
    • Low Sodium Levels
    • Low Potassium
    • Fluid and Electrolyte Balance
    • Sodium
    • Potassium
    • Lack of Fluids
    • Fluid Loss
    • Body Water Depletion
    • Hyponatremia
    • Low Blood Sodium
    • Sodium Deficiency
    • Hypokalemia
    • Potassium Deficiency

    ICD-10 Codes:

    • E860: Dehydration
    • E871: Hypo-osmolality and hyponatremia
    • E876: Hypokalemia

    Also known as:

    • Stomach Cancer
    • Gastric Cancer
    • Malignant Neoplasm of Stomach
    • Stomach Tumor

    ICD-10 Codes:

    • C169: Malignant neoplasm of stomach, unspecified

    Also known as:

    • Other Specific Healthcare Encounters
    • Special Medical Visits
    • Unusual Doctor Appointments
    • Healthcare for Unique Situations

    ICD-10 Codes:

    • Z7689: Persons encountering health services in other specified circumstances

    Also known as:

    • Cancer Spread to Liver and Bile Duct
    • Liver Cancer
    • Metastatic Liver Cancer
    • Secondary Liver Tumor
    • Liver Metastasis

    ICD-10 Codes:

    • C787: Secondary malignant neoplasm of liver and intrahepatic bile duct

    Also known as:

    • Low White Blood Cell Count from Chemotherapy
    • Blood Disorder
    • Chemotherapy-induced agranulocytosis
    • Neutropenia from cancer treatment
    • Severe white blood cell deficiency

    ICD-10 Codes:

    • D701: Agranulocytosis secondary to cancer chemotherapy

    Also known as:

    • Aggressive Neuroendocrine Tumor
    • Cancer
    • Endocrine Disease
    • Poorly Differentiated NET
    • High-Grade Neuroendocrine Carcinoma
    • Malignant Neuroendocrine Neoplasm

    ICD-10 Codes:

    • C7A1: Malignant poorly differentiated neuroendocrine tumors

    Which procedures does Dr. Herzog perform as a Medical Oncologist?

    As a Medical Oncologist, procedures performed by a Dr. Brett Herzog may include:

    For detailed information, please contact Dr. Herzog's office.

    Does Dr. Herzog accept my insurance?

    Dr. Herzog accepts most major insurance plans. Important: Please call our office at (314) 362-5000 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Herzog accept in Shiloh, IL?

    Dr. Herzog in Shiloh, IL accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • Aetna

    • All Other Third Party

    • Blue Cross Blue Shield

    • Blue Cross Blue Shield of Illinois

    • CVS Health (formerly Aetna)

    • Elevance Health Inc. (formerly Anthem)

    • Express Scripts

    • Humana

    • Medicare

    • State of Illinois

    View All Insurances

    Where is Dr. Herzog's office located?

    Dr. Brett Herzog's Primary Practice

    1418 Cross St Ste 180

    Shiloh, IL 62269

    (314) 362-5000

    Get Directions

    Dr. Brett Herzog's Practice 2

    1404 Cross St

    Belleville, IL 62269

    Get Directions

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

    Dr. Herzog's National Provider Identifier (NPI) number is 1023499282.

    What common questions do patients ask about Dr. Herzog?

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

    What is Dr. Brett Herzog's specialty?

    Dr. Herzog is a Medical Oncologist near Shiloh, IL. 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. Herzog to book an appointment today.

    Is this Dr. Brett Herzog affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Herzog is affiliated with Barnes-Jewish Hospital, Barnes-Jewish West County Hospital 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 Brett Herzog accepting new patients in Shiloh, IL?

    Yes, Dr. Brett Herzog is accepting new patients at this time.

    Does Dr. Brett Herzog offer online booking?

    Please contact Dr. Herzog's office at (314) 362-5000 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Brett Herzog?

    Please contact Dr. Herzog's office at (314) 362-5000 for information regarding telehealth appointment availability or for scheduling assistance.

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