About Dr. Zimmermann

Dr. Kolleen Zimmermann earned her B.S. in Microbiology from the University of Wisconsin, Oshkosh before she received her medical degree from the Medical College of Wisconsin. She went on to complete an internal medicine internship there and later completed her residency in dermatology at the University of Iowa.

In practice since 1999, Dr. Zimmermann is a member of the American Academy of Dermatology and the Wisconsin Medical Society. A board-certified dermatologist, she was the 2005 keynote speaker for the Brown County Women’s Cancer Coalition.

About Dr. Marusinec

Dr. Laura Marusinec is Board Certified in Pediatrics and Adolescent medicine. She completed her medical training at the medical college of WI and her Pediatric residency program at Children’s Hospital of WI. She is a member of Phi Beta Kappa honor society and Alpha Omega Alpha medical honor society.

During her previous eight years of clinical experience, Dr. Marusinec discovered a special interest in treating dermatological conditions. Recently, she has completed additional specialized training in dermatology with Dr. Zimmermann.

Dr. Marusinec’s area of expertise is the pediatric patient age to 21. She is pleased to provide treatment for a variety of skin conditions common to this age group including: acne, warts, molluscum, eczema/dermatitis, excess sweating and psoriasis. She also performs state-of-the-art non-ablative laser treatments for acne/acne scarring, warts, psoriasis, hair reduction and certain vascular lesions. Dr. Marusinec is also pleased to offer free consultations regarding any of the laser or cosmetic procedures performed at Dermatology Clinic by herself or Dr. Kolleen Zimmermann.

About Katie Steuer, L.M.E
(Licensed Medical Esthetician/Paramedical Esthetician)

Katie joined Dr. Zimmermann and Dermatology Clinic, S.C. in July of 2007 with three years of experience in clinic esthetics and spa treatments. Katie completed her medical esthetics training at the Skin Care Institute in Illinois and practiced with a cosmetic dermatologist in Chicago for two years.

Katie treats patients of all ages and dermatological concerns. She is state licensed in the states of Wisconsin and Illinois. Katie continues to take advanced training in medical esthetics, lasers, chemical peels, products and procedures. Katie is pleased to offer complimentary consultations regarding any laser or cosmetic dermatology procedure performed at Dermatology Clinic S.C.

About Colleen Van Egeren PA-C

Colleen Van Egeren is a board certified Physician Assistant. She earned her Bachelor's degree from Marquette University and went on to earn her Master's degree in Physician Assistant Studies at Rosalind Franklin University in North Chicago. Colleen is a member of the Society of Dermatology Physician Assistants and the American Academy of Physician Assistants.

Colleen has had extensive training in dermatology as well as a variety of other areas of medicine prior to joining The Dermatology Clinic S.C. She did her dermatology training in Naperville, IL, but is pleased to be back practicing in her hometown of Green Bay.

Office Hours

Monday, Wednesday, Friday: 8:30 a.m. – 5:00 p.m.
Tuesday: 8:30 a.m. – 5:30 p.m.
Thursday: 8:30 a.m. – 6:30 p.m.

Map & Directions

Our office is located at:
715 Superior Road, Suite 120 • Green Bay, WI 54311

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Our Mission

The mission of Dermatology Clinic S.C. is to be the premier provider of general and cosmetic dermatology care in the Green Bay area and surrounding communities.

Financial Information

For your convenience, we accept Visa or MasterCard. Full payment for all cosmetic services are required at the time services are rendered unless previous arrangements are made. Ask us about special discounts we have on certain packages.

Additionally, we will submit all insurance claims for you. We are a preferred provider with Prevea HMO/PPO, WPPN, AHC, AHP and WEA. We will fully attempt to help you receive full insurance benefits; however, you are personally responsible for your account, and we encourage you to contact us if your policy has not paid within 30 days.

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