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Dr. Leon Clark, MD

Hayward, CA

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Clark, Dermatologist in Hayward, CA?

    Dr. Leon Clark, MD is a Dermatologist, who primarily practices in Hayward, CA with 2 additional practice locations. Dr. Clark is fluent in English, Chinese, and Spanish, and is currently seeing new patients. Dr. Clark’s practice accepts Kaiser Permanente, Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Clark’s office at (510) 567-5700.

    What languages does Dr. Clark speak?

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

    • Chinese

    • English

    • Spanish

    What conditions does Dr. Clark treat?

    As a Dermatologist, Dr. Clark 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. Clark. 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:

    • Skin Rash
    • Skin Tumor of Uncertain Behavior
    • Rashes
    • Skin Condition
    • Skin Eruption
    • Hives
    • Dermatitis
    • Skin Inflammation
    • Skin Neoplasm
    • Skin Growth
    • Uncertain Skin Lesion

    ICD-10 Codes:

    • R21: Rash and other nonspecific skin eruption
    • D485: Neoplasm of uncertain behavior of skin

    Also known as:

    • Hidradenitis Suppurativa
    • Hidradenitis Suppurativa (HS)
    • Acne Inversa', 'Verneuil's Disease
    • HS Skin Condition

    ICD-10 Codes:

    • L732: Hidradenitis suppurativa

    Also known as:

    • Therapeutic Drug Monitoring
    • Drug level testing
    • Medication monitoring
    • Therapeutic drug management

    ICD-10 Codes:

    • Z5181: Encounter for therapeutic drug level monitoring

    Also known as:

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

    ICD-10 Codes:

    • L700: Acne vulgaris

    Also known as:

    • Plaque Psoriasis
    • Psoriasis
    • Common psoriasis
    • Chronic plaque psoriasis
    • Psoriasis of the skin

    ICD-10 Codes:

    • L400: Psoriasis vulgaris

    Also known as:

    • Scars
    • Hypertrophic Scarring
    • Keloid Scars
    • Scar Tissue

    ICD-10 Codes:

    • L910: Hypertrophic scar

    Also known as:

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

    ICD-10 Codes:

    • L309: Dermatitis, unspecified

    Also known as:

    • Seborrheic Keratosis
    • Benign Tumor
    • Skin Condition
    • SK
    • Senile Wart
    • Barnacle of Life

    ICD-10 Codes:

    • L821: Other seborrheic keratosis

    Also known as:

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

    ICD-10 Codes:

    • B079: Viral wart, unspecified

    What procedures does Dr. Clark perform?

    As a Dermatologist, Dr. Clark 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. Clark. 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:

    • Removal of Benign Skin Lesions
    • Removal of Precancerous Skin Lesions
    • Removal of Benign Skin Lesion
    • Removal of Non-Cancerous Skin Growth (1.1-2.0 cm)
    • Skin Conditions
    • Benign Skin Growth Destruction
    • Skin Lesion Excision
    • Cryosurgery for Skin Lesions
    • Electrosurgery for Skin Lesions
    • Actinic Keratosis Treatment
    • Premalignant Lesion Destruction
    • Skin Cancer Prevention Treatment
    • Benign Skin Growth Excision
    • Skin Lesion Removal Surgery
    • Excision of Non-Cancerous Skin Lesion
    • Benign Skin Lesion Excision
    • Skin Tumor Removal (Benign)
    • Mole Removal (Non-Cancerous)

    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
    • 17000: Destruction (eg, laser surgery, electrosurgery, cryosurgery, chemosurgery, surgical curettement), premalignant lesions (eg, actinic keratoses); first lesion
    • 11401: Excision, benign lesion including margins, except skin tag (unless listed elsewhere), trunk, arms or legs; excised diameter 0.6 to 1.0 cm
    • 17003: Destruction (eg, laser surgery, electrosurgery, cryosurgery, chemosurgery, surgical curettement), premalignant lesions (eg, actinic keratoses); second through 14 lesions, each (List separately in addition to code for first lesion)
    • 11402: Excision, benign lesion including margins, except skin tag (unless listed elsewhere), trunk, arms or legs; excised diameter 1.1 to 2.0 cm

    Also known as:

    • Skin Biopsy
    • Skin Biopsy (Punch)
    • Skin Biopsy (Additional Site)
    • Shave Biopsy
    • Tangential Biopsy
    • Skin Lesion Biopsy
    • Punch Biopsy
    • Dermal Punch Biopsy
    • Shave biopsy
    • Tangential skin biopsy
    • Scoop biopsy

    CPT Codes:

    • 11102: Tangential biopsy of skin (eg, shave, scoop, saucerize, curette); single lesion
    • 11104: Punch biopsy of skin (including simple closure, when performed); single lesion
    • 11103: Tangential biopsy of skin (eg, shave, scoop, saucerize, curette); each separate/additional lesion (List separately in addition to code for primary procedure)

    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:

    • Intermediate Wound Repair (Body)
    • Intermediate Wound Repair (2.5 cm or less)
    • Wounds and Injuries
    • Laceration Repair (Body)
    • Surgical Wound Closure (Trunk/Limbs)
    • Deep Wound Stitching (Body)
    • Complex Wound Closure
    • Deep Wound Stitching
    • Injury Repair

    CPT Codes:

    • 12032: Repair, intermediate, wounds of scalp, axillae, trunk and/or extremities (excluding hands and feet); 2.6 cm to 7.5 cm
    • 12031: Repair, intermediate, wounds of scalp, axillae, trunk and/or extremities (excluding hands and feet); 2.5 cm or less

    Also known as:

    • Skin Tag Removal (Up to 15)
    • Fibrocutaneous Tag Excision
    • Multiple Skin Tag Removal
    • Lesion Removal

    CPT Codes:

    • 11200: Removal of skin tags, multiple fibrocutaneous tags, any area; up to and including 15 lesions

    Also known as:

    • Benign Lesion Removal (Face/Head)
    • Facial Lesion Excision
    • Skin Growth Removal
    • Benign Tumor Excision
    • Head/Neck Lesion Surgery

    CPT Codes:

    • 11443: Excision, other benign lesion including margins, except skin tag (unless listed elsewhere), face, ears, eyelids, nose, lips, mucous membrane; excised diameter 2.1 to 3.0 cm

    Also known as:

    • Freezing Removal of Penile Lesions
    • Cryosurgery for Penile Warts
    • Penile Lesion Cryotherapy
    • Condyloma Freezing

    CPT Codes:

    • 54056: Destruction of lesion(s), penis (eg, condyloma, papilloma, molluscum contagiosum, herpetic vesicle), simple; cryosurgery

    Does Dr. Clark accept my insurance?

    Dr. Clark accepts most major insurance plans. Important: Please call our office at (510) 567-5700 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Clark accept in Hayward, CA?

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

    Top Insurances

    • Alameda Alliance

    • All Other Third Party

    • Centene

    • Crown Cork and Seal Company

    • CVS Health (formerly Aetna)

    • Elevance Health Inc. (formerly Anthem)

    • Health Plan of San Joaquin

    • Medicare

    • State of Tennessee

    • UnitedHealthcare

    View All Insurances

    Where is Dr. Clark's office located?

    Dr. Leon Clark's Primary Practice

    664 Southland Mall

    Hayward, CA 94545

    (510) 567-5700

    Get Directions

    Dr. Leon Clark's Practice 2

    400 Parnassus Ave

    San Francisco, CA 94143

    Get Directions

    Dr. Leon Clark's Practice 3

    3100 San Pablo Ave

    Berkeley, CA 94702

    Get Directions

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

    Dr. Clark's National Provider Identifier (NPI) number is 1487004370.

    What common questions do patients ask about Dr. Clark?

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

    What is Dr. Leon Clark's specialty?

    Dr. Clark is a Dermatologist near Hayward, 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. Clark to book an appointment today.

    Is this Dr. Leon Clark affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Clark is affiliated with Alta Bates Summit Medical Center - Summit Campus, Sutter Tracy Community Hospital 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

    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 Leon Clark accepting new patients in Hayward, CA?

    Yes, Dr. Leon Clark is accepting new patients at this time.

    Does Dr. Leon Clark offer online booking?

    Please contact Dr. Clark's office at (510) 567-5700 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Leon Clark?

    Please contact Dr. Clark's office at (510) 567-5700 for information regarding telehealth appointment availability or for scheduling assistance.

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