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Dr. Christina Fonseca, MD

Walnut Creek, CA

15 Years of Experience

Accepting patients

    Who is Dr. Fonseca, Dermatologist in Walnut Creek, CA?

    Dr. Christina Fonseca, MD is a Dermatologist, who primarily practices in Walnut Creek, CA with 1 additional practice location. She has been practicing for over 15 years and is board certified. Dr. Fonseca is fluent in English, and is currently seeing new patients. Dr. Fonseca’s practice accepts Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Fonseca’s office at (925) 906-2000.

    Is Dr. Fonseca board certified as a Dermatologist?

    Yes, Dr. Christina Fonseca, MD is board certified by the American Board of Dermatology

    What languages does Dr. Fonseca speak?

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

    • English

    What conditions does Dr. Fonseca treat?

    As a Dermatologist, Dr. Fonseca 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. Fonseca. 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:

    • Alopecia Areata
    • Hair Loss
    • Alopecia areata
    • Patchy hair loss
    • Autoimmune hair loss
    • Spot baldness

    ICD-10 Codes:

    • L639: Alopecia areata, unspecified

    Also known as:

    • Wart
    • Warts
    • Skin growth
    • Common wart
    • Verruca

    ICD-10 Codes:

    • B079: Viral wart, unspecified

    Also known as:

    • Scars
    • Hypertrophic Scarring
    • Keloid Scars
    • Scar Tissue

    ICD-10 Codes:

    • L910: Hypertrophic scar

    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

    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:

    • Dermatitis
    • Eczema
    • Rashes
    • Atopic Dermatitis
    • Skin Inflammation
    • Skin Rash

    ICD-10 Codes:

    • L309: Dermatitis, unspecified

    What procedures does Dr. Fonseca perform?

    As a Dermatologist, Dr. Fonseca performs a variety of medical procedures. This procedure information is derived from anonymized insurance claims and highlights the medical procedures most commonly performed by Dr. Fonseca. 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:

    • Injection for Skin Lesions (Up to 7)
    • Intralesional Injection
    • Lesion Injection Therapy
    • Steroid Injection for Skin Bumps

    CPT Codes:

    • 11900: Injection, intralesional; up to and including 7 lesions

    Also known as:

    • Removal of Benign Skin Lesions
    • Benign Skin Growth Destruction
    • Skin Lesion Excision
    • Cryosurgery for Skin Lesions
    • Electrosurgery for Skin Lesions

    CPT Codes:

    • 17110: Destruction (eg, laser surgery, electrosurgery, cryosurgery, chemosurgery, surgical curettement), of benign lesions other than skin tags or cutaneous vascular proliferative lesions; up to 14 lesions

    Also known as:

    • Skin Biopsy
    • Shave Biopsy
    • Tangential Biopsy
    • Skin Lesion Biopsy

    CPT Codes:

    • 11102: Tangential biopsy of skin (eg, shave, scoop, saucerize, curette); single lesion

    Does Dr. Fonseca accept my insurance?

    Dr. Fonseca accepts most major insurance plans. Important: Please call our office at (925) 906-2000 before your appointment to verify that your specific plan and network are accepted.

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

    Dr. Fonseca in Walnut Creek, 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

    • Crown Cork and Seal Company

    • Medicare

    View All Insurances

    Where is Dr. Fonseca's office located?

    Dr. Christina Fonseca's Primary Practice

    320 Lennon Ln

    Walnut Creek, CA 94598

    (925) 906-2000

    Get Directions

    Dr. Christina Fonseca's Practice 2

    320 Lennon Ln Dept of

    Walnut Creek, CA 94598

    Get Directions

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

    Dr. Fonseca's National Provider Identifier (NPI) number is 1225222128.

    What common questions do patients ask about Dr. Fonseca?

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

    What is Dr. Christina Fonseca's specialty?

    Dr. Fonseca is a Dermatologist near Walnut Creek, CA. 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. Contact Dr. Fonseca to book an appointment today.

    Is this Dr. Christina Fonseca affiliated with a ranked Castle Connolly Top Hospital?

    No, Fonseca is not affiliated with a Castle Connolly Top Hospital, but is affiliated with the following hospitals: Kaiser Permanente - Walnut Creek Medical Center. 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

    Where can I learn more about Dermatologist?

    Explore Dermatologist 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 Christina Fonseca accepting new patients in Walnut Creek, CA?

    Yes, Dr. Christina Fonseca is accepting new patients at this time.

    Does Dr. Christina Fonseca offer online booking?

    Please contact Dr. Fonseca's office at (925) 906-2000 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Christina Fonseca?

    Please contact Dr. Fonseca's office at (925) 906-2000 for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. Christina Fonseca have?

    Dr. Christina Fonseca is certified by the American Board of Dermatology.

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