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Dr. Karynne Duncan, MD

Saint Helena, CA

Accepting patients

    Who is Dr. Duncan, Dermatologist in Saint Helena, CA?

    Practicing Dermatologist in Saint Helena, with an emphasis on accessible, thorough clinical evaluations, Dr. Karynne O'Duncan MD provides comprehensive skin care to her community. Her broad clinical expertise reflects a commitment to understanding each patient's unique needs and delivering personalized treatment plans. Patients often seek Dr. Duncan for conditions such as acne, benign skin growths, and skin cancer, as well as skin pigmentation disorders and sun damage. Her clinical focus centers on managing these common dermatological conditions, ensuring patients receive effective treatment and long-term relief. By addressing a wide range of skin concerns, Dr. Duncan helps her patients achieve healthier, more resilient skin. Dr. Duncan's medical training began at the University of Colorado School of Medicine, where she earned her medical degree. She then completed residencies at Yale New Haven Hospital and the University of Colorado School of Medicine, further developing her skills in dermatology and internal medicine. Board-certified by the American Board of Dermatology and the American Board of Internal Medicine, Dr. Duncan brings a high level of expertise to her practice. Dr. Duncan is accepting new patients and speaks Spanish. Her practice is located at 1104 Adams St Ste 201 in Saint Helena, CA, with an additional location in Walnut Creek. She participates in multiple insurance plans, including Medicare and UnitedHealth Group. New patients can schedule a visit by contacting her office directly.

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

    • Residency: Yale New Haven Hosp, Dermatology; Univ Of Co Sch Of Med, Internal Medicine | University Of Co School Of Med | Bridgeport Hospital/Yale University Program

    • Medical School: University of Co Sch of Med, Denver Co | University Of Colorado School Of Medicine

    Is Dr. Duncan board certified as a Dermatologist?

    Yes, Dr. Karynne Duncan, MD is board certified by the American Board of Dermatology , American Board of Internal Medicine

    What languages does Dr. Duncan speak?

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

    • English

    • Spanish

    What conditions does a Dermatologist like Dr. Duncan typically treat?

    As a Dermatologist, Dr. Duncan 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. Duncan. 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:

    • Acne Vulgaris
    • Acne
    • Common acne
    • Pimples
    • Breakouts

    ICD-10 Codes:

    • L700: Acne vulgaris

    Also known as:

    • Inflamed Seborrheic Keratosis
    • Mole
    • Benign Tumor
    • Skin Condition
    • Birthmarks
    • Moles
    • Common Moles, Dysplastic Nevi, and Risk of Melanoma
    • Irritated seborrheic keratosis
    • Red skin growth
    • Inflamed age spot
    • Nevus
    • Birthmark
    • Skin spot

    ICD-10 Codes:

    • L820: Inflamed seborrheic keratosis
    • D225: Melanocytic nevi of trunk

    Also known as:

    • Cancer Follow-up Exam
    • Cancer
    • Post-cancer treatment checkup
    • Malignancy surveillance
    • Oncology follow-up

    ICD-10 Codes:

    • Z08: Encounter for follow-up examination after completed treatment for malignant neoplasm

    Also known as:

    • Dark Skin Patches
    • Skin Pigmentation Disorder
    • Hyperpigmentation
    • Melasma
    • Age spots

    ICD-10 Codes:

    • L814: Other melanin hyperpigmentation

    Also known as:

    • Actinic Keratosis
    • Skin Condition
    • Sun Exposure
    • Skin Cancer Treatment (PDQ®)
    • Solar keratosis
    • Precancerous skin lesion
    • Rough sun spots

    ICD-10 Codes:

    • L570: Actinic keratosis

    Also known as:

    • Skin Tumor of Uncertain Behavior
    • Skin Condition
    • Skin Neoplasm
    • Skin Growth
    • Uncertain Skin Lesion

    ICD-10 Codes:

    • D485: Neoplasm of uncertain behavior of skin

    Does Dr. Duncan accept my insurance?

    Dr. Duncan accepts most major insurance plans. Important: Please call our office at (707) 967-0800 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Duncan accept in Saint Helena, CA?

    Dr. Duncan in Saint Helena, CA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • Health Payment System (HPS)

    • Medicare

    • Spectrum / Priority Health

    • St. Joseph Health System (CA)

    • UnitedHealth Group

    • Unknown

    • Western Growers Association

    View All Insurances

    Where is Dr. Duncan's office located?

    Dr. Karynne Duncan's Primary Practice

    1104 Adams St Ste 201

    Saint Helena, CA 94574

    (707) 967-0800

    Get Directions

    Dr. Karynne Duncan's Practice 2

    355 Lennon Ln Ste 255

    Walnut Creek, CA 94598

    Get Directions

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

    Dr. Duncan's National Provider Identifier (NPI) number is 1548235617.

    What common questions do patients ask about Dr. Duncan?

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

    What is Dr. Karynne Duncan's specialty?

    Dr. Duncan is a Dermatologist near Saint Helena, CA.

    What does a Dermatologist do?

    Dermatologists are medical professionals trained to diagnose and treat a wide range of skin conditions in both children and adults, including skin cancers, melanomas, and other tumors. They also manage disorders of the mouth, external genitalia, hair, and nails, and are skilled in treating conditions like dermatitis, allergic reactions, and skin manifestations of systemic diseases. Dermatologists receive specialized training in dermatopathology and dermatologic surgical techniques, and address cosmetic issues such as hair loss and scarring. Additionally, they use laboratory methods to diagnose immune-related skin disorders, often collaborating with immunohematologists for expert consultation and targeted therapies.

    Is this Dr. Karynne Duncan affiliated with a ranked Castle Connolly Top Hospital?

    No, Duncan 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 a Dermatologist?: Guides for symptoms, conditions, and treatments

    Understand your symptoms and know when it’s time to see a Dermatologist. 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 Karynne Duncan accepting new patients in Saint Helena, CA?

    Yes, Dr. Karynne Duncan is accepting new patients at this time.

    Does Dr. Karynne Duncan offer online booking?

    Please contact Dr. Duncan's office at (707) 967-0800 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Karynne Duncan?

    Please contact Dr. Duncan's office at (707) 967-0800 for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. Karynne Duncan have?

    Dr. Karynne Duncan is certified by the American Board of Dermatology and 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>