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Dr. William Harris, MD

Irvine, CA

Accepting patients

    Who is Dr. Harris, Allergist & Immunologist in Irvine, CA?

    Dr. William Harris, MD is an Allergist & Immunologist, who primarily practices in Irvine, CA with 2 additional practice locations. He is board certified. Dr. Harris graduated from Northeast Ohio Medical University and completed his residency at Univ Ca Irvine Med Ctr, Allergy And Immunology; Univ Ca Irvine Med Ctr, Internal Medicine. Dr. Harris is fluent in English, Chinese, Persian, Spanish, and Turkish, and is currently seeing new patients. Dr. Harris’s practice accepts Medicare, Aetna, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Harris’s office at (714) 771-7994.

    What are Areas of Expertise for Dr. Harris?

    Dr. William Harris, MD is a highly-rated, board-certified Allergist & Immunologist 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 Allergy, Cough-Chronic, Urticaria, and comprehensive wellness support. Serving the Irvine, CA 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: University Of California Irvine

    • Residency: Univ Ca Irvine Med Ctr, Allergy And Immunology; Univ Ca Irvine Med Ctr, Internal Medicine | University Of California Irvine

    • Medical School: Northeast Ohio Medical University

    Is Dr. Harris board certified as an Allergist & Immunologist?

    Yes, Dr. William Harris, MD is board certified by the American Board of Allergy and Immunology , American Board of Internal Medicine

    What languages does Dr. Harris speak?

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

    • Chinese

    • English

    • Persian

    • Spanish

    • Turkish

    What conditions does an Allergist & Immunologist like Dr. Harris typically treat?

    As an Allergist & Immunologist, 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.

    Also known as:

    • Hay Fever
    • Pollen allergy
    • Seasonal allergies
    • Allergic rhinitis

    ICD-10 Codes:

    • J301: Allergic rhinitis due to pollen

    Also known as:

    • Allergic Rhinitis
    • Pet Allergy
    • Allergy
    • Nasal allergy
    • Chronic allergy symptoms
    • Allergic reactions
    • Animal dander allergy
    • Cat allergy
    • Dog allergy
    • Allergic rhinitis from pets

    ICD-10 Codes:

    • J3089: Other allergic rhinitis
    • J3081: Allergic rhinitis due to animal (cat) (dog) hair and dander

    Also known as:

    • Chronic Hives
    • Allergic Hives
    • Hives
    • Allergy
    • Hives of unknown cause
    • Spontaneous urticaria
    • Persistent welts
    • Allergic welts
    • Allergic rash
    • Urticaria due to allergy

    ICD-10 Codes:

    • L501: Idiopathic urticaria
    • L500: Allergic urticaria

    Also known as:

    • Atopic Neurodermatitis
    • Eczema
    • Lichen simplex chronicus
    • Chronic itchy skin
    • Nerve-related eczema

    ICD-10 Codes:

    • L2081: Atopic neurodermatitis

    Also known as:

    • Mild Intermittent Asthma
    • Asthma
    • Occasional Asthma
    • Mild Asthma Attacks
    • Infrequent Asthma

    ICD-10 Codes:

    • J4520: Mild intermittent asthma, uncomplicated

    What procedures does an Allergist & Immunologist like Dr. Harris typically perform?

    As an Allergist & Immunologist, 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 (714) 771-7994 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Harris accept in Irvine, CA?

    Dr. Harris in Irvine, 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

    • Blue Shield of California

    • Cigna Group

    • CVS Health (formerly Aetna)

    • Medicare

    • Other Health Care Provider

    • St. Joseph Health System (CA)

    • State of California

    • UnitedHealth Group

    • Unknown

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    Where is Dr. Harris' office located?

    Dr. William Harris' Primary Practice

    4050 Barranca Pkwy Ste 110

    Irvine, CA 92604

    (714) 771-7994

    Get Directions

    Dr. William Harris' Practice 2

    1440 N Harbor Blvd Ste 708

    Fullerton, CA 92835

    Get Directions

    Dr. William Harris' Practice 3

    505 S Main St Ste 250

    Orange, CA 92868

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    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 1922065788.

    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 Allergist & Immunologist near Irvine, CA.

    What does an Allergist & Immunologist do?

    An allergist-immunologist is well-versed in the assessment, physical examination, laboratory diagnosis, and treatment of immune system disorders. These conditions include, but are not limited to, eczema, asthma, anaphylaxis, rhinitis, and adverse reactions to food, medication, and insect stings. Furthermore, they manage immune deficiency diseases, whether acquired or congenital, issues with host defense, and challenges associated with autoimmune diseases, organ transplantation, or immune system malignancies.

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

    No, Harris 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 an Allergist & Immunologist?: Guides for symptoms, conditions, and treatments

    Understand your symptoms and know when it’s time to see an Allergist & Immunologist. 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 Irvine, CA?

    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 (714) 771-7994 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 (714) 771-7994 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 Allergy and Immunology and American Board of Internal Medicine.

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