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University Dermatology and Vein Clinic LLC

The physician specialists of University Dermatology and Vein Center are leading authorities and use their expertise to offer comprehensive and compassionate care for patients of all ages.

Vassilios (Bill) Dimitropoulos, MD, is a board-certified dermatologist who completed medical training at Rush University Medical Center, residency at the University of Michigan, and a Mohs Micrographic Surgery fellowship at Rush University. Dr. Dimitropoulos is an Assistant Professor and the Medical Director of the Dermatologic and Mohs Micrographic Surgery Program at the University of Illinois in Chicago. Clinical interests include: Mohs Micrographic Surgery, skin cancer (basal cell, squamous cell, and melanoma), pigmented lesions, skin tumors, moles, cysts, geriatric skin care and aging, and skin care in the setting of immunosuppression (transplant patients and patients with HIV). Dr. Dimitropoulos is also the Medical Director of the Clinical Research Study Center at University Dermatology and Vein Clinic, where studies in psoriasis, acne, actinic keratoses, and skin cancer are conducted.

Stamatis (Tom) Dimitropoulos, MD, is a board-certified cardiologist who completed his medical training, internal medicine residency, and cardiovascular disease fellowship at Rush University Medical Center. Dr. Dimitropoulos also completed a fellowship in interventional cardiology at William Beaumont Hospital in Royal Oak, Michigan. As director of the Vein Centers in the Skokie, Darien, and St. Joseph offices, Dr. Dimitropoulos specializes in the diagnosis and treatment of chronic venous diseases and offers non-surgical treatment of varicose veins. All procedures are performed in the office, downtime is minimal, and most procedures are covered by insurance.

Valerie Laniosz, MD, PhD, is a board-certified dermatologist who completed a combined medical and doctoral degree in Microbiology and Immunology at Rosalind Franklin University of Medicine and Science. After an internship in internal medicine at Loyola Medical Center, she completed a dermatology residency at Mayo Clinic in Rochester, Minnesota. Dr. Laniosz spent an additional year at Mayo Clinic doing epidemiological and clinical research. Dr. Laniosz enjoys seeing patients of all ages and all skin types with clinical interests in acne, hair loss, skin cancer, infectious diseases of the skin, and complex medical dermatology. In her free time, Dr. Laniosz enjoys playing with her kids and spending time outdoors running, hiking, and snowshoeing.

Karen Smith, PA-C, is a board-certified physician assistant who graduated with honors with a Bachelor of Science from University of Iowa and then completed her Masters in Physician Assistant Studies at Rosalind Franklin University of Medicine and Science. Karen has been practicing dermatology for the past 10 years and enjoys seeing patients of all ages and skin types. Her clinical interests include acne, skin cancer, hair loss and cosmetic dermatology.

Constantine Zverev (not pictured) and Lider Koc co-direct the Clinical Research Study Center at University Dermatology and Vein Clinic. Constantine brings over 15 years of experience conducting clinical studies for multiple indications in research sponsored by pharmaceutical companies such as Abbott Laboratories, Pfizer, AstraZeneca, and most recently Eli Lilly and Co. Lider’s medical doctor background and decades of clinical patient care interactions allow our clinical research center to seamlessly integrate cutting-edge research with patient care that produces unmatched clinical outcomes for a variety of dermatologic diseases. Please feel free to contact us and inquire about ongoing studies to see if you qualify to participate.


8110 S. Cass Ave. Darien, IL 60561 630-920-1900

4605 Golf Rd. Skokie, IL 60076 847-679-5199

2500 Niles Rd., Ste. 10A St. Joseph, MI 49085 269-428-5199



For Vein Center appointments: 630-963-4000

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