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Dr. William Gwin, MD

Medical Oncologist, Hematology / Oncology Specialist

Seattle, WA

17 Years of Experience

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Gwin, Medical Oncologist in Seattle, WA?

    Dr. William Gwin, MD is a Medical Oncologist, who primarily practices in Seattle, WA with 2 additional practice locations. He has been practicing for over 17 years and is board certified. Dr. Gwin is fluent in English and Spanish, and is currently seeing new patients. Dr. Gwin’s practice accepts Kaiser Permanente, Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Gwin’s office at (206) 288-1000.

    Is Dr. Gwin board certified as a Medical Oncologist?

    Yes, Dr. William Gwin, MD is board certified by the American Board of Internal Medicine

    What languages does Dr. Gwin speak?

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

    • English
    • Spanish

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

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

    • Cancer Chemotherapy
    • Cancer Immunotherapy
    • Chemo treatment
    • Oncology chemotherapy
    • Cancer drug therapy
    • Oncology immunotherapy
    • Immune therapy for cancer

    ICD-10 Codes:

    • Z5111: Encounter for antineoplastic chemotherapy
    • Z5112: Encounter for antineoplastic immunotherapy

    Also known as:

    • Breast Cancer
    • Mammary cancer
    • Breast carcinoma
    • Breast tumor
    • Female Breast Cancer
    • Malignant Breast Tumor
    • Breast Carcinoma

    ICD-10 Codes:

    • C50911: Malignant neoplasm of unspecified site of right female breast
    • C50912: Malignant neoplasm of unspecified site of left female breast
    • C50919: Malignant neoplasm of unspecified site of unspecified female breast

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

    As a Medical Oncologist, Dr. Gwin performs a variety of medical procedures. This procedure information is derived from anonymized insurance claims and highlights the medical procedures most commonly performed by Dr. Gwin. 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:

    • Declotting of Vascular Access Device
    • Catheter declotting
    • Thrombolytic therapy for catheter
    • Blocked port-a-cath treatment
    • Vascular access device unblocking

    CPT Codes:

    • 36593: Declotting by thrombolytic agent of implanted vascular access device or catheter

    Does Dr. Gwin accept my insurance?

    Dr. Gwin accepts most major insurance plans. Important: Please call our office at (206) 288-1000 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Gwin accept in Seattle, WA?

    Dr. Gwin in Seattle, WA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • Cambia Health Solutions

    • CVS Health (formerly Aetna)

    • First Administrators

    • Kaiser Permanente

    • Medicare

    • Molina Healthcare

    • Premera Blue Cross

    • State of Washington

    • UMR Administered Payer

    • UnitedHealth Group

    View All Insurances

    Where is Dr. Gwin's office located?

    Dr. William Gwin's Primary Practice

    825 Eastlake Ave E

    Seattle, WA 98109

    (206) 288-1000

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    Dr. William Gwin's Practice 2

    1701 Columbia Rd

    Seattle, WA 98195

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    Dr. William Gwin's Practice 3

    1959 NE Pacific St

    Seattle, WA 98195

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

    Dr. Gwin's National Provider Identifier (NPI) number is 1598875882.

    What common questions do patients ask about Dr. Gwin?

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

    What is Dr. William Gwin's specialty?

    Dr. Gwin is a Medical Oncologist near Seattle, WA.

    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 Dr. William Gwin affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Gwin is affiliated with Fred Hutchinson Cancer Center, Uw Medical Center - Montlake, St. Joseph Medical Center - Tacoma, Peacehealth Southwest 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

    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 Dr. William Gwin accepting new patients in Seattle, WA?

    Yes, Dr. William Gwin is accepting new patients at this time.

    Does Dr. William Gwin offer online booking?

    Please contact Dr. Gwin's office at (206) 288-1000 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Dr. William Gwin?

    Please contact Dr. Gwin's office at (206) 288-1000 to schedule an appointment.

    Where is Dr. Gwin's office located?

    Dr. Gwin's office is located in Seattle, WA.

    Which board certifications does Dr. William Gwin have?

    Dr. William Gwin is certified by the American Board of Internal Medicine.