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Dr. William Ko, MD

Dr. William Ko, MD

scottsdale, AZ

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Ko, Dermatologist in scottsdale, AZ?

    Dr. Ko is a graduate of the Northeastern Ohio Universities College of Medicine where he completed an eminent six year BS/MD program with honors.

    Dr. Ko graduated college in two years before completing his allopathic medical school training. He was inducted into the Alpha Omega Alpha society his junior year in medical school, marking him among the top ten percent of medical students in the United States. Moreover, Dr. Ko received an exclusive honor by being voted in as Vice-President of the Alpha Omega Alpha Zeta chapter of Ohio. He served a 2 year term.

    Dr. Ko completed his residency at the prestigious Cleveland Clinic Foundation, one of the top hospitals and research facilities in the world. While at the Cleveland Clinic Foundation, Dr. Ko served as Chief Resident in Dermatology. In addition, he has worked and trained among recognized leading experts of dermatological disorders. Dr. Ko is among the most experienced and well-versed clinical researchers of dermatological disorders in the state of Arizona and is well published in medical literature. He acts as a consultant to numerous pharmaceutical companies and remains on the cutting edge of dermatologic advances.

    Dr. Ko has participated in clinical trials pertaining to the areas of psoriasis, acne, eczema, infectious disease, skin cancer, and skin aging. William Ko M.D. is considered a key opinion leader in dermatology and has lectured around the country educating his peers in the areas of psoriasis, cutaneous oncology, immunology, and infectious diseases in dermatology. His training and expertise are comprehensive and include Mohs surgery, cutaneous oncology, medical dermatology, oral medicine, hair transplantation, and skin aging.

    Dr. Ko was honored by his local peers by being elected President of the Phoenix Dermatological Society from 2008-2010. He serves as the official dermatologist for the Phoenix Sun’s and Phoenix Mercury organizations and is a multiple recipient of Phoenix Magazine’s TOP DOCTOR honor (2004-2020). Dr. Ko was raised in Columbus, Ohio and maintains the humble and genuine traits instilled during his midwest upbringing. He enjoys sports, reading, personal fitness and time with his family. He joined Arizona Dermatology in 1998 upon the completion of his residency. Dr. Ko is a member in good standing at Scottsdale North Hospital Healthcare, John C. Lincoln Hospitals, Arrowhead Hospital, Mesa Lutheran Hospital, Phoenix Baptist Hospital, and Maryvale Hospital.

    Dr. Ko works at the following locations, specializes in the following services and is active and involved at the local, regional and national level with the following organizations.

    What are Areas of Expertise for Dr. Ko?

    Dr. William Ko, MD is a highly-rated, board-certified Dermatologist known for expertly diagnosing, treating, and managing a wide array of related conditions and procedures. Utilizing the latest medical advancements and evidence-based practices, Dr. Ko empowers patients to confidently navigate their health journey, specializing in Cosmetic Dermatology, Dermatologic Surgery, Medical Dermatology, Mohs Surgery, Skin Cancer, and comprehensive wellness support. Serving the scottsdale, AZ community, Dr. Ko is dedicated to enhancing lives through expert, patient-centered care.

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

    • Residency: Cleveland Clinic Fndn, Dermatology | Cleveland Clinic Foundation

    • Medical School: Ohio University Heritage College of Osteopathic Medicine

    Is Dr. Ko board certified as a Dermatologist?

    Yes, Dr. William Ko, MD is board certified by the American Board of Dermatology

    What languages does Dr. Ko speak?

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

    • English

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

    As a Dermatologist, Dr. Ko 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. Ko. 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:

    • 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:

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

    ICD-10 Codes:

    • L821: Other seborrheic keratosis

    Also known as:

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

    ICD-10 Codes:

    • L814: Other melanin hyperpigmentation

    Also known as:

    • Inflamed Seborrheic Keratosis
    • Benign Tumor
    • Skin Condition
    • Irritated seborrheic keratosis
    • Red skin growth
    • Inflamed age spot

    ICD-10 Codes:

    • L820: Inflamed seborrheic keratosis

    Also known as:

    • Squamous Cell Skin Cancer of the Face
    • Skin Cancer
    • Skin Cancer Treatment (PDQ®)
    • Squamous Cell Carcinoma of Face
    • Facial SCC
    • Cutaneous Squamous Cell Carcinoma of Face
    • Face Skin Malignancy

    ICD-10 Codes:

    • C44329: Squamous cell carcinoma of skin of other parts of face

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

    As a Dermatologist, Dr. Ko 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. Ko. 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:

    • Mohs Micrographic Surgery
    • Mohs Micrographic Surgery (Trunk/Arms/Legs, First Stage)
    • Mohs Surgery
    • Micrographic Skin Cancer Surgery
    • Mohs Excision
    • Precision Skin Cancer Removal
    • Mohs surgery body
    • Skin cancer removal trunk
    • Micrographic surgery arms
    • Precise skin cancer surgery legs

    CPT Codes:

    • 17311: Mohs micrographic technique, including removal of all gross tumor, surgical excision of tissue specimens, mapping, color coding of specimens, microscopic examination of specimens by the surgeon, and histopathologic preparation including routine stain(s) (eg, hematoxylin and eosin, toluidine blue), head, neck, hands, feet, genitalia, or any location with surgery directly involving muscle, cartilage, bone, tendon, major nerves, or vessels; first stage, up to 5 tissue blocks
    • 17313: Mohs micrographic technique, including removal of all gross tumor, surgical excision of tissue specimens, mapping, color coding of specimens, microscopic examination of specimens by the surgeon, and histopathologic preparation including routine stain(s) (eg, hematoxylin and eosin, toluidine blue), of the trunk, arms, or legs; first stage, up to 5 tissue blocks

    Also known as:

    • Complex Wound Repair (Face, Neck, Hands, Feet)
    • Complex Wound Repair (Scalp, Arms, Legs)
    • Extensive Facial Laceration Repair
    • Deep Wound Closure (Sensitive Areas)
    • Complex Repair of Hand/Foot Wound
    • Deep Wound Repair (Extremities)
    • Surgical Closure of Complex Wound
    • Advanced Wound Stitching

    CPT Codes:

    • 13132: Repair, complex, forehead, cheeks, chin, mouth, neck, axillae, genitalia, hands and/or feet; 2.6 cm to 7.5 cm
    • 13121: Repair, complex, scalp, arms, and/or legs; 2.6 cm to 7.5 cm

    Also known as:

    • Mohs Surgery
    • Photodynamic Therapy for Skin Lesions
    • Mohs Micrographic Surgery
    • Skin Cancer Removal
    • Precise Skin Cancer Surgery
    • PDT for precancerous skin
    • Light therapy for skin lesions
    • Precancerous skin treatment with light
    • Actinic keratosis treatment

    CPT Codes:

    • 17312: Mohs micrographic technique, including removal of all gross tumor, surgical excision of tissue specimens, mapping, color coding of specimens, microscopic examination of specimens by the surgeon, and histopathologic preparation including routine stain(s) (eg, hematoxylin and eosin, toluidine blue), head, neck, hands, feet, genitalia, or any location with surgery directly involving muscle, cartilage, bone, tendon, major nerves, or vessels; each additional stage after the first stage, up to 5 tissue blocks (List separately in addition to code for primary procedure)
    • 96574: Debridement of premalignant hyperkeratotic lesion(s) (ie, targeted curettage, abrasion) followed with photodynamic therapy by external application of light to destroy premalignant lesions of the skin and adjacent mucosa with application and illumination/activation of photosensitizing drug(s) provided by a physician or other qualified health care professional, per day

    Also known as:

    • Removal of Precancerous Skin Spots
    • Removal of Precancerous Skin Lesions
    • Skin Conditions
    • Destruction of Actinic Keratoses
    • Precancerous Lesion Treatment
    • Actinic Keratosis Treatment
    • Premalignant Lesion Destruction
    • Skin Cancer Prevention Treatment
    • Cryosurgery for Skin Lesions

    CPT Codes:

    • 17004: Destruction (eg, laser surgery, electrosurgery, cryosurgery, chemosurgery, surgical curettement), premalignant lesions (eg, actinic keratoses), 15 or more lesions
    • 17000: Destruction (eg, laser surgery, electrosurgery, cryosurgery, chemosurgery, surgical curettement), premalignant lesions (eg, actinic keratoses); first lesion

    Does Dr. Ko accept my insurance?

    Dr. Ko accepts most major insurance plans. Important: Please call our office at before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Ko accept in scottsdale, AZ?

    Dr. Ko in scottsdale, AZ accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • All Other Third Party

    • Capital Blue Cross

    • Cigna Group

    • CVS Health (formerly Aetna)

    • Federal government of the United States

    • Humana

    • Medicare

    • UMR Administered Payer

    • UnitedHealth Group

    • Unknown

    View All Insurances

    Where is Dr. Ko's office located?

    Platinum Dermatology

    4835 e cactus rd #155

    scottsdale, AZ 85254

    Get Directions | View Website

    Platinum Dermatology

    2224 w northern ave D300

    phoenix, AZ 85021

    Get Directions

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

    Dr. Ko's National Provider Identifier (NPI) number is 1841230976.

    What common questions do patients ask about Dr. Ko?

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

    What is Dr. William Ko's specialty?

    Dr. Ko is a Dermatologist near scottsdale, AZ.

    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. William Ko affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Ko is affiliated with St. Joseph's Hospital And Medical Center - Phoenix, Az 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 William Ko accepting new patients in scottsdale, AZ?

    Yes, Dr. William Ko is accepting new patients at this time.

    Does Dr. William Ko offer online booking?

    Please contact Dr. Ko's office for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with William Ko?

    Please contact Dr. Ko's office for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. William Ko have?

    Dr. William Ko is certified by the American Board of Dermatology.

    <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>