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Dr. Gerta Janss, MD

Chicago, IL

32 Years of Experience

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Janss, Dermatologist in Chicago, IL?

    Specializing in light therapy for patients with skin pigmentation disorder, offering focused clinical care, Dr. Gerta S. Janss MD is a trusted dermatologist in Chicago, IL. With a practice centered on comprehensive skin health, she has been serving the local community since 1994. Patients often seek Dr. Janss for conditions such as Skin Pigmentation Disorder, Sun Damage Skin Condition, and Psoriasis. Her clinical expertise encompasses a range of treatments, including Light Therapy, Skin Lesion Removal, and Skin Cancer Treatment, addressing the complex needs of her patients. By combining these procedures with a deep understanding of various skin conditions, Dr. Janss provides personalized care that addresses the unique concerns of each patient. Dr. Janss's medical training began at the University of Illinois College of Medicine in Chicago, followed by an internship and residency at Northwestern Memorial Hospital and the University of Illinois. She is board-certified by the American Board of Dermatology, ensuring a high standard of care. In addition to her primary location in Chicago, Dr. Janss also practices in Lake Forest and Glenview, making her services accessible to a broader community. She is fluent in Spanish, further enhancing her ability to serve diverse patient needs. New patients can schedule a visit with Dr. Janss, as she is currently accepting new patients. Her practice is affiliated with top hospitals in the region, including Northwestern Memorial Hospital and Endeavor Health Evanston Hospital, and she works with various insurance carriers, including Blue Cross Blue Shield, Cigna, and Humana.

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

    • Residency: Univ Il Coll Of Med, Dermatology | University Ill

    • Medical School: University Of Il Coll Of Med- Chicago Il

    Is Dr. Janss board certified as a Dermatologist?

    Yes, Dr. Gerta Janss, MD is board certified by the American Board of Dermatology

    What languages does Dr. Janss speak?

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

    • English

    • Spanish

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

    As a Dermatologist, Dr. Janss 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. Janss. 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.

    Also known as:

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

    ICD-10 Codes:

    • L814: Other melanin hyperpigmentation

    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:

    • Psoriasis
    • Scaly Skin Condition
    • Chronic Skin Disease
    • Autoimmune Skin Disorder

    ICD-10 Codes:

    • L409: Psoriasis, unspecified

    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:

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

    ICD-10 Codes:

    • L700: Acne vulgaris

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

    As a Dermatologist, Dr. Janss 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. Janss. 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.

    Also known as:

    • Ultraviolet Light Therapy
    • UV Light Treatment
    • Phototherapy
    • Actinotherapy
    • Light Box Therapy

    CPT Codes:

    • 96900: Actinotherapy (ultraviolet light)

    Also known as:

    • Photodynamic Therapy for Skin Lesions
    • PDT for Skin Cancer
    • Light Therapy for Precancerous Skin
    • Photosensitive Drug Treatment for Skin

    CPT Codes:

    • 96567: Photodynamic therapy by external application of light to destroy premalignant lesions of the skin and adjacent mucosa with application and illumination/activation of photosensitive drug(s), per day

    Also known as:

    • Removal of Benign Skin Lesions
    • Removal of Malignant Skin Lesion (Trunk/Limbs)
    • Removal of Precancerous Skin Lesions
    • Skin Conditions
    • Benign Skin Growth Destruction
    • Skin Lesion Excision
    • Cryosurgery for Skin Lesions
    • Electrosurgery for Skin Lesions
    • Skin Cancer Removal
    • Malignant Lesion Destruction
    • Skin Tumor Excision
    • Cryosurgery for Skin Lesion
    • Actinic Keratosis Treatment
    • Premalignant Lesion Destruction
    • Skin Cancer Prevention Treatment

    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
    • 17262: Destruction, malignant lesion (eg, laser surgery, electrosurgery, cryosurgery, chemosurgery, surgical curettement), trunk, arms or legs; lesion diameter 1.1 to 2.0 cm
    • 17000: Destruction (eg, laser surgery, electrosurgery, cryosurgery, chemosurgery, surgical curettement), premalignant lesions (eg, actinic keratoses); first lesion

    Also known as:

    • Acne Surgery
    • Plastic and Cosmetic Surgery
    • Milia Removal
    • Comedone Extraction
    • Cyst Drainage
    • Pustule Removal

    CPT Codes:

    • 10040: Acne surgery (eg, marsupialization, opening or removal of multiple milia, comedones, cysts, pustules)

    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:

    • Underarm Sweat Gland Nerve Treatment
    • Axillary Chemodenervation
    • Botox for Underarm Sweating
    • Treatment for Excessive Underarm Sweating

    CPT Codes:

    • 64650: Chemodenervation of eccrine glands; both axillae

    Does Dr. Janss accept my insurance?

    Dr. Janss accepts most major insurance plans. Important: Please call our office at (847) 724-4536 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Janss accept in Chicago, IL?

    Dr. Janss in Chicago, IL accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • Blue Cross Blue Shield of Michigan

    • Cigna Group

    • CVS Health (formerly Aetna)

    • Health Care Service Corporation

    • Humana

    • Medicare

    • State of Illinois

    • UMR Administered Payer

    • UnitedHealth Group

    • Unknown

    View All Insurances

    Where is Dr. Janss' office located?

    Dr. Gerta Janss' Primary Practice

    675 N Saint Clair St

    Chicago, IL 60611

    (847) 724-4536

    Get Directions

    302 Lake Forest Obgyn

    800 N Westmoreland Rd Ste 102

    Lake Forest, IL 60045

    Get Directions

    Dr. Gerta Janss' Practice 3

    2701 Patriot Blvd Ste 200

    Glenview, IL 60026

    Get Directions

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

    Dr. Janss's National Provider Identifier (NPI) number is 1710953815.

    What common questions do patients ask about Dr. Janss?

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

    What is Dr. Gerta Janss's specialty?

    Dr. Janss is a Dermatologist near Chicago, IL.

    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. Gerta Janss affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Janss is affiliated with Northwestern Memorial Hospital, Northwestern Medicine Lake Forest Hospital, Endeavor Health Evanston 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

    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 Gerta Janss accepting new patients in Chicago, IL?

    Yes, Dr. Gerta Janss is accepting new patients at this time.

    Does Dr. Gerta Janss offer online booking?

    Please contact Dr. Janss's office at (847) 724-4536 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Gerta Janss?

    Please contact Dr. Janss's office at (847) 724-4536 for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. Gerta Janss have?

    Dr. Gerta Janss is certified by the American Board of Dermatology.

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