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Dr. Katharine Fast, MD

Dr. Katharine Fast, MD

San Francisco, CA

15 Years of Experience

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Fast, Allergist & Immunologist in San Francisco, CA?

    Dr. Katharine Fast, MD is an Allergist & Immunologist, who primarily practices in San Francisco, CA. She has been practicing for over 15 years and is board certified by the American Board of Internal Medicine. Dr. Fast graduated from Yale University School of Medicine. Dr. Fast is fluent in English, French, and Spanish, and is currently seeing new patients. Dr. Fast’s practice accepts Cigna, Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Fast’s office at (415) 433-7800.

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

    • Medical School: Yale University School of Medicine

    Is Dr. Fast board certified in Allergist & Immunologist?

    Yes, Dr. Katharine Fast, MD is board certified by the American Board of Internal Medicine

    What languages does Dr. Fast speak?

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

    • English

    • French

    • Spanish

    What conditions does Dr. Fast treat?

    As a Allergist & Immunologist, Dr. Fast 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. Fast. 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.

    Also known as:

    • Allergic Rhinitis
    • Allergy
    • Nasal allergies
    • Allergy rhinitis
    • Chronic runny nose

    ICD-10 Codes:

    • J309: Allergic rhinitis, unspecified

    Which procedures does Dr. Fast perform as a Allergist & Immunologist?

    As a Allergist & Immunologist, procedures performed by an Dr. Katharine Fast may include:

    For detailed information, please contact Dr. Fast's office.

    Does Dr. Fast accept my insurance?

    Dr. Fast accepts most major insurance plans. Important: Please call our office at (415) 433-7800 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Fast accept in San Francisco, CA?

    Dr. Fast in San Francisco, CA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • BCBS Unspecified

    • Blue Shield of California

    • Cigna

    • CVS Health (formerly Aetna)

    • Federal Employee Program

    • Medicare

    • UnitedHealthcare

    View All Insurances

    Where is Dr. Fast's office located?

    Dr. Katharine Fast's Primary Practice

    450 Sutter St Rm 1336

    San Francisco, CA 94108

    (415) 433-7800

    Get Directions

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

    Dr. Fast's National Provider Identifier (NPI) number is 1275720484.

    What common questions do patients ask about Dr. Fast?

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

    What is Dr. Katharine Fast's specialty?

    Dr. Fast is a Allergist & Immunologist near San Francisco, CA. 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. Contact Dr. Fast to book an appointment today.

    Is this Dr. Katharine Fast affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Fast is affiliated with California Pacific Medical Center - Van Ness Campus which is a Castle Connolly Top Hospital. 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

    Where can I learn more about Allergist & Immunologist?

    Explore Allergist & Immunologist with 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 Katharine Fast accepting new patients in San Francisco, CA?

    Yes, Dr. Katharine Fast is accepting new patients at this time.

    Does Dr. Katharine Fast offer online booking?

    Please contact Dr. Fast's office at (415) 433-7800 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Katharine Fast?

    Please contact Dr. Fast's office at (415) 433-7800 for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. Katharine Fast have?

    Dr. Katharine Fast is certified by the American Board of Internal Medicine.

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