David D. Nelsen, MD
Board-Certified Dermatologist
My goal on every patient visit is to make them feel at ease, to listen to their concerns, and to engage patients in the treatment process.
- David D. Nelsen, MD


Undergraduate Degree:
University of St. Thomas, MN

Medical School:
University of Minnesota Medical School, MN

Dermatology Residency:
Marshfield Clinic, WI
St. Joseph’s Hospital, WI


Board-Certified Dermatologist (American Board of Dermatology)
Basic Life Support (American Heart Association)

Professional Memberships

American Academy of Dermatology
American Medical Association
American Society for Dermatologic Surgery
Wisconsin Dermatological Society


Alpha Omega Alpha Medical Honor Society
Delta Epsilon Sigma Honor Society


Warshaw EM, Nelsen DD, et al. The positivity ratio and reaction index: Patch test quality control metrics applied to the North American Contact Dermatitis Group database. Dermatitis. 2010;21:91-7.

Warshaw EM, Nelsen DD, et al. Positive patch test reactions to lanolin: Analysis of cross-sectional data from the North American Contact Dermatitis Group, 1994-2006. Dermatitis. 2009;20:79-88.

Blixt, E, Nelsen D, Stratman E. Recurrence Rates of Aggressive Histologic Types of Basal Cell Carcinoma Following Electrodessication and Curettage: A Retrospective Study of a Stable Epidemiologic Study Area in Central Wisconsin. Dermatologic Surgery 2013;39:719-25.