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Dr. Brian Kumasaka, MD

Dr. Brian Kumasaka, MD

Renton, WA

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Kumasaka, Dermatologist in Renton, WA?

    Board-certified by the American Board of Dermatology, Dr. Brian H. Kumasaka, MD, is a Dermatologist in Renton, WA, with a focus on managing complex skin conditions. He practices at 660 SW 39th St Ste 150, serving patients in the Renton area. Specializing in the treatment of sun damage skin conditions, benign skin growths, and uncertain skin tumors, Dr. Kumasaka combines procedural precision with individualized treatment planning. His clinical expertise centers on skin lesion removal, skin biopsies, and injections, ensuring patients receive targeted care for their specific skin concerns. By addressing conditions such as contact dermatitis and growths of unknown type, he guides patients through complex diagnoses and develops effective treatment strategies. Dr. Kumasaka's medical training includes a Medical Degree from the University of Washington School of Medicine and residency training at institutions such as the University of Washington School of Medicine Program and Virginia Mason Medical Center. He is affiliated with Valley Medical Center in Renton, a top-ranked hospital in the region. Dr. Kumasaka accepts new patients and works with major insurance carriers, including Cambia Health Solutions, Medicare, and Molina Healthcare. His practice is located in Renton, WA, making him a local resource for dermatological care in the community.

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

    • Residency: Univ Of Wa Sch Of Med, Dermatology; Virginia Mason Med Ctr, Internal Medicine; Providence Med Ctr, Internal Medicine | Virginia Mason | Virginia Mason Medical Center | University of Washington School of Medicine Program

    • Medical School: University of Wa Sch of Med, Seattle Wa | University of Washington School of Medicine

    Is Dr. Kumasaka board certified as a Dermatologist?

    Yes, Dr. Brian Kumasaka, MD is board certified by the American Board of Dermatology

    What languages does Dr. Kumasaka speak?

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

    • English

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

    As a Dermatologist, Dr. Kumasaka 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. Kumasaka. 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:

    • 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:

    • 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:

    • Bone, Soft Tissue, or Skin Growth of Unknown Type
    • Bone Disease
    • Skin Condition
    • Bone tumor of unknown nature
    • Skin lesion of unknown type
    • Soft tissue mass of unknown behavior

    ICD-10 Codes:

    • D492: Neoplasm of unspecified behavior of bone, soft tissue, and skin

    Also known as:

    • Contact Dermatitis
    • Rashes
    • Skin Rash from Contact
    • Contact Eczema
    • Allergic Contact Dermatitis

    ICD-10 Codes:

    • L259: Unspecified contact dermatitis, unspecified cause

    What procedures does a Dermatologist like Dr. Kumasaka typically perform?

    As a Dermatologist, Dr. Kumasaka 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. Kumasaka. 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:

    • Removal of Benign Skin Lesions
    • Removal of Precancerous Skin Lesions
    • Removal of Malignant Skin Lesion (Trunk/Limbs)
    • 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
    • Skin Cancer Removal
    • Malignant Lesion Destruction
    • Skin Tumor Excision
    • Cryosurgery for Skin Lesion

    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
    • 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)
    • 17262: Destruction, malignant lesion (eg, laser surgery, electrosurgery, cryosurgery, chemosurgery, surgical curettement), trunk, arms or legs; lesion diameter 1.1 to 2.0 cm

    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

    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:

    • Skin Cancer Destruction (Body/Limbs)
    • Malignant Lesion Destruction
    • Skin Tumor Removal without Cutting
    • Cryosurgery for Skin Cancer
    • Electrosurgery for Skin Lesion

    CPT Codes:

    • 17263: Destruction, malignant lesion (eg, laser surgery, electrosurgery, cryosurgery, chemosurgery, surgical curettement), trunk, arms or legs; lesion diameter 2.1 to 3.0 cm

    Does Dr. Kumasaka accept my insurance?

    Dr. Kumasaka accepts most major insurance plans. Important: Please call our office at (425) 690-3483 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Kumasaka accept in Renton, WA?

    Dr. Kumasaka in Renton, WA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • Cambia Health Solutions

    • Medicare

    • Molina Healthcare

    View All Insurances

    Where is Dr. Kumasaka's office located?

    Dr. Brian Kumasaka's Primary Practice

    660 SW 39th St Ste 150

    Renton, WA 98057

    (425) 690-3483

    Get Directions

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

    Dr. Kumasaka's National Provider Identifier (NPI) number is 1801971262.

    What common questions do patients ask about Dr. Kumasaka?

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

    What is Dr. Brian Kumasaka's specialty?

    Dr. Kumasaka is a Dermatologist near Renton, WA.

    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. Brian Kumasaka affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Kumasaka is affiliated with Valley Medical Center 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 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 Brian Kumasaka accepting new patients in Renton, WA?

    Yes, Dr. Brian Kumasaka is accepting new patients at this time.

    Does Dr. Brian Kumasaka offer online booking?

    Please contact Dr. Kumasaka's office at (425) 690-3483 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Brian Kumasaka?

    Please contact Dr. Kumasaka's office at (425) 690-3483 for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. Brian Kumasaka have?

    Dr. Brian Kumasaka is certified by the American Board of Dermatology.

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