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Dr. Katrina O'halloran, MD

Los Angeles, CA

Accepting patients

    Who is Dr. O'halloran, Pediatric Hematologist-Oncologist in Los Angeles, CA?

    Dr. Katrina O'halloran, MD is a Pediatric Hematologist-Oncologist, who primarily practices in Los Angeles, CA. Dr. O'halloran is fluent in English, and is currently seeing new patients. Dr. O'halloran’s practice accepts Kaiser Permanente, Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. O'halloran’s office at (323) 361-2121.

    What languages does Dr. O'halloran speak?

    Dr. O'halloran and their clinical team can communicate with patients in the following languages:

    • English

    What conditions does a Pediatric Hematologist-Oncologist like Dr. O'halloran typically treat?

    As a Pediatric Hematologist-Oncologist, Dr. O'halloran 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. O'halloran. 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:

    • Brain Tumor
    • Brain Stem Tumor
    • Brain Cancer
    • Cerebral Tumor
    • Intracranial Tumor
    • Malignant Brain Tumor
    • Brain Stem Cancer
    • Brainstem Glioma
    • Malignant Brainstem Neoplasm

    ICD-10 Codes:

    • C719: Malignant neoplasm of brain, unspecified
    • C716: Malignant neoplasm of cerebellum
    • C717: Malignant neoplasm of brain stem

    Also known as:

    • Brain Growth of Unknown Type
    • Brain Disease
    • Brain tumor of unknown nature
    • Brain lesion of unknown behavior
    • Indeterminate brain mass

    ICD-10 Codes:

    • D496: Neoplasm of unspecified behavior of brain

    Also known as:

    • Primary Cancer (Unspecified Site)
    • Cancer
    • Malignant tumor
    • Neoplasm
    • Cancer of unknown primary

    ICD-10 Codes:

    • C801: Malignant (primary) neoplasm, unspecified

    Also known as:

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

    ICD-10 Codes:

    • Z5111: Encounter for antineoplastic chemotherapy

    What procedures does a Pediatric Hematologist-Oncologist like Dr. O'halloran typically perform?

    As a Pediatric Hematologist-Oncologist, procedures performed by Dr. Katrina O'halloran may include:

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

    Does Dr. O'halloran accept my insurance?

    Dr. O'halloran accepts most major insurance plans. Important: Please call our office at (323) 361-2121 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. O'halloran accept in Los Angeles, CA?

    Dr. O'halloran in Los Angeles, CA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • All Other Third Party

    • Centene Corporation

    • Cigna Group

    • City of Los Angeles

    • Kaiser Permanente

    • Medicare

    • Other Health Care Provider

    • State of California

    • UnitedHealth Group

    • Unknown

    View All Insurances

    Where is Dr. O'halloran's office located?

    Dr. Katrina O'halloran's Primary Practice

    4650 W Sunset Blvd # 54

    Los Angeles, CA 90027

    (323) 361-2121

    Get Directions

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

    Dr. O'halloran's National Provider Identifier (NPI) number is 1538546528.

    What common questions do patients ask about Dr. O'halloran?

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

    What is Dr. Katrina O'halloran's specialty?

    Dr. O'halloran is a Pediatric Hematologist-Oncologist near Los Angeles, CA.

    What does a Pediatric Hematologist-Oncologist do?

    A pediatrician trained in the integration of pediatrics, hematology, and oncology, specializing in the recognition and management of blood disorders and cancer in children. This expert provides comprehensive care for conditions such as anemia, bleeding disorders, and various pediatric cancers.

    Is this Dr. Katrina O'halloran affiliated with a ranked Castle Connolly Top Hospital?

    No, O'halloran is not affiliated with a Castle Connolly Top Hospital, but is affiliated with the following hospitals: Childrens Hospital Los Angeles. 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 Pediatric Hematologist-Oncologist?: Guides for symptoms, conditions, and treatments

    Understand your symptoms and know when it’s time to see a Pediatric Hematologist-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 Katrina O'halloran accepting new patients in Los Angeles, CA?

    Yes, Dr. Katrina O'halloran is accepting new patients at this time.

    Does Dr. Katrina O'halloran offer online booking?

    Please contact Dr. O'halloran's office at (323) 361-2121 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Katrina O'halloran?

    Please contact Dr. O'halloran's office at (323) 361-2121 for information regarding telehealth appointment availability or for scheduling assistance.

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