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Dr. Nancy Mozelsio, MD

Dr. Nancy Mozelsio, MD

Allergist & Immunologist

Walnut Creek, CA

23 Years of Experience

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Mozelsio, Allergist & Immunologist in Walnut Creek, CA?

    Dr. Nancy Mozelsio, MD is an Allergist & Immunologist, who primarily practices in Walnut Creek, CA with 1 additional practice location. She has been practicing for over 23 years and is board certified. Dr. Mozelsio completed her residency at McGaw Med Ctr Of Northwestern, Allergy And Immunology; McGaw Med Ctr Of Northwestern, Internal Medicine. Dr. Mozelsio is fluent in English and Spanish, and is currently seeing new patients. Dr. Mozelsio’s practice accepts Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Mozelsio’s office at (925) 935-6252.

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

    • Residency: McGaw Med Ctr Of Northwestern, Allergy And Immunology; McGaw Med Ctr Of Northwestern, Internal Medicine | Northwestern University Affiliated Hospitals

    • Medical School: University Of Ca- Irvine- Ca Coll Of Med- Irvine Ca

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

    Yes, Dr. Nancy Mozelsio, MD is board certified by the American Board of Allergy and Immunology

    What languages does Dr. Mozelsio speak?

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

    • English
    • Spanish

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

    As an Allergist & Immunologist, Dr. Mozelsio 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. Mozelsio. 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:

    • Moderate Persistent Asthma
    • Mild Intermittent Asthma
    • Asthma
    • Ongoing Moderate Asthma
    • Regular Moderate Asthma
    • Chronic Moderate Asthma
    • Occasional Asthma
    • Mild Asthma Attacks
    • Infrequent Asthma

    ICD-10 Codes:

    • J4540: Moderate persistent asthma, uncomplicated
    • J4520: Mild intermittent asthma, uncomplicated

    Also known as:

    • Chronic Rhinitis
    • Nose Injuries and Disorder
    • Chronic runny nose
    • Persistent nasal inflammation
    • Long-term stuffy nose

    ICD-10 Codes:

    • J310: Chronic rhinitis

    Also known as:

    • Chronic Hives
    • Hives
    • Hives of unknown cause
    • Spontaneous urticaria
    • Persistent welts

    ICD-10 Codes:

    • L501: Idiopathic urticaria

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

    As an Allergist & Immunologist, procedures performed by Dr. Nancy Mozelsio may include:

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

    Does Dr. Mozelsio accept my insurance?

    Dr. Mozelsio accepts most major insurance plans. Important: Please call our office at (925) 935-6252 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Mozelsio accept in Walnut Creek, CA?

    Dr. Mozelsio in Walnut Creek, CA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • Blue Shield of California

    • Centene Corporation

    • Central Health

    • Cigna Group

    • CVS Health (formerly Aetna)

    • Elevance Health Inc. (formerly Anthem)

    • Hill Physicians Medical Group

    • Medicare

    • Molina Healthcare

    • UnitedHealth Group

    View All Insurances

    Where is Dr. Mozelsio's office located?

    Dr. Nancy Mozelsio's Primary Practice

    370 N Wiget Ln Ste 210

    Walnut Creek, CA 94598

    (925) 935-6252

    Get Directions

    #209

    130 La Casa Via Ste 209 Bldg 2

    Walnut Creek, CA 94598

    Get Directions

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

    Dr. Mozelsio's National Provider Identifier (NPI) number is 1114910551.

    What common questions do patients ask about Dr. Mozelsio?

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

    What is Dr. Nancy Mozelsio's specialty?

    Dr. Mozelsio is an Allergist & Immunologist near Walnut Creek, 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 Dr. Nancy Mozelsio affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Mozelsio is affiliated with John Muir Health Walnut Creek Medical Center, John Muir Health Concord 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 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 Dr. Nancy Mozelsio accepting new patients in Walnut Creek, CA?

    Yes, Dr. Nancy Mozelsio is accepting new patients at this time.

    Does Dr. Nancy Mozelsio offer online booking?

    Please contact Dr. Mozelsio's office at (925) 935-6252 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Dr. Nancy Mozelsio?

    Please contact Dr. Mozelsio's office at (925) 935-6252 to schedule an appointment.

    Where is Dr. Mozelsio's office located?

    Dr. Mozelsio's office is located in Walnut Creek, CA.

    Which board certifications does Dr. Nancy Mozelsio have?

    Dr. Nancy Mozelsio is certified by the American Board of Allergy and Immunology.