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Dr. Katy Tsai, MD

San Francisco, CA

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Tsai, Internist in San Francisco, CA?

    Dr. Katy Tsai, MD is an Internist, who primarily practices in San Francisco, CA with 2 additional practice locations. Dr. Tsai is fluent in English, and is currently seeing new patients. Dr. Tsai’s practice accepts Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Tsai’s office at (415) 353-9900.

    What languages does Dr. Tsai speak?

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

    • English

    What conditions does an Internist like Dr. Tsai typically treat?

    As an Internist, Dr. Tsai 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. Tsai. 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:

    • Melanoma
    • Melanoma of the Left Leg or Hip
    • Melanoma of the Right Arm or Shoulder
    • Malignant Melanoma
    • Skin Cancer (Melanoma)
    • Cutaneous Melanoma
    • Black Skin Cancer
    • Left Leg Melanoma
    • Left Hip Melanoma
    • Malignant Melanoma of Left Leg
    • Right Arm Melanoma
    • Right Shoulder Melanoma
    • Malignant Melanoma of Right Arm

    ICD-10 Codes:

    • C439: Malignant melanoma of skin, unspecified
    • C4372: Malignant melanoma of left lower limb, including hip
    • C4361: Malignant melanoma of right upper limb, including shoulder

    Also known as:

    • Cancer in Lymph Nodes
    • Cancer
    • Lymph Node Metastasis
    • Metastatic Lymph Node Cancer
    • Secondary Lymphoma

    ICD-10 Codes:

    • C779: Secondary and unspecified malignant neoplasm of lymph node, unspecified

    Also known as:

    • Other Preventive Measures Visit
    • Other prophylactic care
    • Specific preventive treatments
    • Additional preventive health measures

    ICD-10 Codes:

    • Z2989: Encounter for other specified prophylactic measures

    Also known as:

    • Non-Infectious Gastroenteritis and Colitis
    • Digestive Disease
    • Inflammation of Stomach and Intestines
    • Non-Bacterial Colitis
    • Gut Inflammation

    ICD-10 Codes:

    • K529: Noninfective gastroenteritis and colitis, unspecified

    Also known as:

    • Vulvar Cancer
    • Cancer of the vulva
    • Vulvar carcinoma
    • External female genital cancer

    ICD-10 Codes:

    • C519: Malignant neoplasm of vulva, unspecified

    What procedures does an Internist like Dr. Tsai typically perform?

    As an Internist, procedures performed by Dr. Katy Tsai may include:

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

    Does Dr. Tsai accept my insurance?

    Dr. Tsai accepts most major insurance plans. Important: Please call our office at (415) 353-9900 before your appointment to verify that your specific plan and network are accepted.

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

    Dr. Tsai in San Francisco, 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

    • Centene Corporation

    • Health Plan of San Joaquin

    • Hill Physicians Medical Group

    • Imperial Health Holdings

    • Other Provider Networks

    • Santa Cruz County

    • State of California

    • UnitedHealth Group

    • Unknown

    View All Insurances

    Where is Dr. Tsai's office located?

    Mcb300

    400 Parnassus Ave

    San Francisco, CA 94143

    (415) 353-9900

    Get Directions

    Ucsf Medical Center

    8 Koret Way

    San Francisco, CA 94143

    Get Directions

    Dr. Katy Tsai's Practice 3

    2330 Post St

    San Francisco, CA 94115

    Get Directions

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

    Dr. Tsai's National Provider Identifier (NPI) number is 1417275827.

    What common questions do patients ask about Dr. Tsai?

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

    What is Dr. Katy Tsai's specialty?

    Dr. Tsai is a Internist near San Francisco, CA.

    What does an Internist do?

    A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

    Is this Dr. Katy Tsai affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Tsai is affiliated with Ucsf Medical Center At Parnassus 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

    When to see an Internist?: Guides for symptoms, conditions, and treatments

    Understand your symptoms and know when it’s time to see an Internist. 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 Katy Tsai accepting new patients in San Francisco, CA?

    Yes, Dr. Katy Tsai is accepting new patients at this time.

    Does Dr. Katy Tsai offer online booking?

    Please contact Dr. Tsai's office at (415) 353-9900 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Katy Tsai?

    Please contact Dr. Tsai's office at (415) 353-9900 for information regarding telehealth appointment availability or for scheduling assistance.

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