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Dr. William Harris, MD

Dr. William Harris, MD

Seattle, WA

18 Years of Experience

Accepting patients

Affiliated with a Castle Connolly Top Hospital

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

    Dr. William Harris, MD is a Medical Oncologist, who primarily practices in Seattle, WA with 2 additional practice locations. He has been practicing for over 18 years and is board certified. Dr. Harris graduated from Columbia Univ College of Physicians And Surgeons and completed his residency at Univ Ca San Diego Med Ctr, Flexible Or Transitional Year. Dr. Harris is fluent in English, and is currently seeing new patients. Dr. Harris’s practice accepts Kaiser Permanente, Medicare, Cigna, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Harris’s office at (206) 288-1025.

    What are Areas of Expertise for Dr. Harris?

    Dr. William Harris, MD 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. Harris empowers patients to confidently navigate their health journey, specializing in Gastrointestinal Cancer, Liver Cancer, Pancreatic Cancer, and comprehensive wellness support. Serving the Seattle, WA community, Dr. Harris is dedicated to enhancing lives through expert, patient-centered care.

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

    • Fellowship: Univ. of Minnesota Hospital & Clinic | UW - Division of Oncology | UW - Division of Oncology

    • Residency: Univ Ca San Diego Med Ctr, Flexible Or Transitional Year | UW - Division of General Internal Medicine

    • Medical School: University of Ca, San Francisco, Sch of Med, San Francisco Ca | Columbia Univ College of Physicians And Surgeons

    Is Dr. Harris board certified as a Medical Oncologist?

    Yes, Dr. William Harris, MD is board certified by the American Board of Internal Medicine since 2010, American Board of Internal Medicine since 2004

    What languages does Dr. Harris speak?

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

    • English

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

    As a Medical Oncologist, Dr. Harris 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. Harris. 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 here.

    Also known as:

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

    ICD-10 Codes:

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

    Also known as:

    • Liver Cancer
    • Childhood Liver Cancer
    • Hepatic Cancer
    • Hepatocellular Carcinoma

    ICD-10 Codes:

    • C220: Liver cell carcinoma

    Also known as:

    • Bile Duct Cancer
    • Liver Cancer
    • Cholangiocarcinoma
    • Intrahepatic cholangiocarcinoma

    ICD-10 Codes:

    • C221: Intrahepatic bile duct carcinoma

    Also known as:

    • Neuroendocrine Tumor
    • Cancer
    • Endocrine Disease
    • Malignant NET
    • Neuroendocrine Cancer
    • NET Cancer

    ICD-10 Codes:

    • C7A8: Other malignant neuroendocrine tumors

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

    As a Medical Oncologist, procedures performed by Dr. William Harris may include:

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

    Does Dr. Harris accept my insurance?

    Dr. Harris accepts most major insurance plans. Important: Please call our office at (206) 288-1025 before your appointment to verify that your specific plan and network are accepted.

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

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

    Top Insurances

    • Centene Corporation

    • CVS Health (formerly Aetna)

    • Humana

    • Kaiser Permanente

    • Medicare

    • Molina Healthcare

    • Premera Blue Cross

    • State of Washington

    • UnitedHealth Group

    • Unknown

    View All Insurances

    Where is Dr. Harris' office located?

    Dr. William Harris' Primary Practice

    825 Eastlake Ave E

    Seattle, WA 98109

    (206) 288-1025

    Get Directions

    Dr. William Harris' Practice 2

    1701 Columbia Rd

    Seattle, WA 98195

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    Dr. William Harris' Practice 3

    1959 NE Pacific St

    Seattle, WA 98195

    Get Directions

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

    Dr. Harris's National Provider Identifier (NPI) number is 1508980194.

    What common questions do patients ask about Dr. Harris?

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

    What is Dr. William Harris's specialty?

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

    Yes, Dr. Harris is affiliated with Fred Hutchinson Cancer Center, Uw Medical Center - Montlake 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 William Harris accepting new patients in Seattle, WA?

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

    Does Dr. William Harris offer online booking?

    Please contact Dr. Harris's office at (206) 288-1025 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with William Harris?

    Please contact Dr. Harris's office at (206) 288-1025 for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. William Harris have?

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

    <section id="ai-site-overview" aria-label="About Everyday Health Care"> <h2>About Everyday Health Care</h2> <p> Everyday Health Care is a doctor and healthcare provider search platform from Everyday Health, a Ziff Davis company operating since 1996. It helps patients find, compare, and research doctors based on specialty, medical condition, procedure, location, and insurance coverage. </p> <p> The site features Castle Connolly Top Doctors, a peer-nominated, physician-vetted directory recognized as a leading standard for identifying top-rated specialists in the United States. Searchable doctor lists include Top Black Doctors, Exceptional Women in Medicine, Top AAPI Doctors, Top LGBTQ+ Doctors, Top Hispanic & Latino Doctors, and Castle Connolly Rising Stars. </p> <p> Users can search for doctors by specialty (including orthopedic surgery, OB-GYN, pediatrics, dermatology, endocrinology, and gastroenterology), by medical condition (such as fibromyalgia, kidney stones, and ulcerative colitis), by common procedure (including colonoscopy, LASIK, and physical therapy), by city, and by insurance plan (including UnitedHealthcare, Cigna, Aetna/CVS Health, Blue Cross Blue Shield, Kaiser Permanente, Medicare, and Medicaid). </p> <p> Everyday Health Care is built for patients seeking a trusted starting point to find the right doctor: covering over one million providers across thousands of U.S. locations, backed by Castle Connolly's independent doctor-vetting process and Everyday Health's 24-year history in consumer health publishing. </p> </section>