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Dr. Ian Hornstra, MD

Saint Louis, MO

Accepting patients

    Who is Dr. Hornstra, Dermatologist in Saint Louis, MO?

    Dr. Ian Hornstra, MD is a Dermatologist, who primarily practices in Saint Louis, MO with 2 additional practice locations. He is board certified by the American Board of Dermatology. Dr. Hornstra graduated from University of Pennsylvania and completed his residency at Barnes-Jewish Hosp-S Campus, Dermatology; Truman Med Ctr-West, Internal Medicine; Barnes-Jewish Hosp-S Campus, Clinical Pathology. Dr. Hornstra is fluent in English and Spanish, and is currently seeing new patients. Dr. Hornstra’s practice accepts Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Hornstra’s office at (216) 573-4538.

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

    • Residency: Barnes-Jewish Hosp-S Campus, Dermatology; Truman Med Ctr-West, Internal Medicine; Barnes-Jewish Hosp-S Campus, Clinical Pathology | Barnes Jewish Hospital S Campus

    • Medical School: University of Mo-Kansas City Sch of Med, Kansas City Mo | University of Pennsylvania

    Is Dr. Hornstra board certified in Dermatologist?

    Yes, Dr. Ian Hornstra, MD is board certified by the American Board of Dermatology

    What languages does Dr. Hornstra speak?

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

    • English

    • Spanish

    What conditions does Dr. Hornstra treat?

    As a Dermatologist, Dr. Hornstra 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. Hornstra. 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:

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

    ICD-10 Codes:

    • L821: Other seborrheic keratosis

    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:

    • Seborrheic Dermatitis
    • Dandruff, Cradle Cap, and Other Scalp Condition
    • Dandruff
    • Cradle cap
    • Seborrheic eczema
    • Flaky skin condition

    ICD-10 Codes:

    • L218: Other seborrheic dermatitis
    • L219: Seborrheic dermatitis, unspecified

    Also known as:

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

    ICD-10 Codes:

    • L814: Other melanin hyperpigmentation

    Also known as:

    • Psoriasis
    • Plaque Psoriasis
    • Scaly Skin Condition
    • Chronic Skin Disease
    • Autoimmune Skin Disorder
    • Common psoriasis
    • Chronic plaque psoriasis
    • Psoriasis of the skin

    ICD-10 Codes:

    • L409: Psoriasis, unspecified
    • L400: Psoriasis vulgaris

    Also known as:

    • Moles
    • Birthmarks
    • Common Moles, Dysplastic Nevi, and Risk of Melanoma
    • Nevi
    • Beauty marks
    • Skin spots

    ICD-10 Codes:

    • D229: Melanocytic nevi, unspecified

    Also known as:

    • Skin Rash
    • Rashes
    • Skin Eruption
    • Hives
    • Dermatitis
    • Skin Inflammation

    ICD-10 Codes:

    • R21: Rash and other nonspecific skin eruption

    Also known as:

    • Hair Follicle Disorder
    • Skin Condition
    • Follicle problem
    • Scalp condition
    • Hair root issue

    ICD-10 Codes:

    • L739: Follicular disorder, unspecified

    Also known as:

    • Personal History of Other Skin Cancer
    • Skin Cancer
    • Past skin cancer
    • Previous cutaneous malignancy
    • History of skin tumor

    ICD-10 Codes:

    • Z85828: Personal history of other malignant neoplasm of skin

    Also known as:

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

    ICD-10 Codes:

    • L309: Dermatitis, unspecified

    Also known as:

    • Athlete's Foot
    • Tinea Pedis
    • Foot Fungus
    • Dermatophytosis of the Foot

    ICD-10 Codes:

    • B353: Tinea pedis

    Also known as:

    • Itching
    • Pruritus
    • Skin Itch
    • Generalized Itching

    ICD-10 Codes:

    • L299: Pruritus, unspecified

    Also known as:

    • Rosacea
    • Facial redness
    • Adult acne
    • Rosy cheeks condition

    ICD-10 Codes:

    • L719: Rosacea, unspecified

    Also known as:

    • Skin Hemangioma
    • Benign Tumor
    • Birthmarks
    • Strawberry mark
    • Vascular birthmark
    • Benign vascular tumor
    • Capillary hemangioma

    ICD-10 Codes:

    • D1801: Hemangioma of skin and subcutaneous tissue

    Also known as:

    • Nail Fungus
    • Tinea Infection
    • Onychomycosis
    • Fungal nail infection

    ICD-10 Codes:

    • B351: Tinea unguium

    Also known as:

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

    ICD-10 Codes:

    • B079: Viral wart, unspecified

    Does Dr. Hornstra accept my insurance?

    Dr. Hornstra accepts most major insurance plans. Important: Please call our office at (216) 573-4538 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Hornstra accept in Saint Louis, MO?

    Dr. Hornstra in Saint Louis, MO accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • All Other Third Party

    • Americas Insurance Company

    • CVS Health (formerly Aetna)

    • Elevance Health Inc. (formerly Anthem)

    • Express Scripts

    • Health Care Service Corporation (HCSC)

    • Medicare

    • Physicians Mutual Insurance Company

    • UnitedHealthcare

    View All Insurances

    Where is Dr. Hornstra's office located?

    Dr. Ian Hornstra's Primary Practice

    915 N Grand Blvd

    Saint Louis, MO 63106

    (216) 573-4538

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    Dr. Ian Hornstra's Practice 2

    4901 Forest Park Ave

    Saint Louis, MO 63108

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    Dr. Ian Hornstra's Practice 3

    4921 Parkview Pl Ste 5B

    Saint Louis, MO 63110

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

    Dr. Hornstra's National Provider Identifier (NPI) number is 1124044359.

    What common questions do patients ask about Dr. Hornstra?

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

    What is Dr. Ian Hornstra's specialty?

    Dr. Hornstra is a Dermatologist near Saint Louis, MO. 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. Hornstra to book an appointment today.

    Is this Dr. Ian Hornstra affiliated with a ranked Castle Connolly Top Hospital?

    No, Hornstra 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

    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 Ian Hornstra accepting new patients in Saint Louis, MO?

    Yes, Dr. Ian Hornstra is accepting new patients at this time.

    Does Dr. Ian Hornstra offer online booking?

    Please contact Dr. Hornstra's office at (216) 573-4538 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Ian Hornstra?

    Please contact Dr. Hornstra's office at (216) 573-4538 for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. Ian Hornstra have?

    Dr. Ian Hornstra is certified by the American Board of Dermatology.

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