Dermatology and Dermatologic Surgery

Your skin protects you from the world around you. Help protect it with regular visits to our team of dermatology experts who deliver expert cosmetic and surgical care. Our physicians and caregivers have trained at some of the best dermatology centers in the country, and offer expertise unequaled in western South Dakota.

Visit us at any of our clinics, conveniently located in Rapid City and Spearfish.

Our Procedures & Treatments

Cosmetic Dermatology

  • Care of sun-damaged skin & wrinkles
  • Chemical peels
  • BOTOX injections & fillers
  • Dermabrasion
  • Scar revision

Surgical Dermatology

  • Minor excisional surgery
  • Mohs micrographic surgery
  • Reconstruction after skin cancer
  • Excision of melanoma

Laser Surgery Treatment of:

  • Vascular lesions
  • Brown spots
  • Rhinophyma
  • Facial rejuvenation

Our Employed Care Providers

Blake D Alexander, MD


Christopher C Gasbarre, DO

Dermatologic Surgery, Dermatology

Tandis L Hoffman, PA-C


Roger S Knutsen, MD FAAD FACP


Siri S Knutsen-Larson, MD


Gregory D Larson, PA-C


P Kim Phillips, MD, FAAD, FACMS

Dermatologic Surgery, Dermatology