Dermatology-- Richfield
6425 Nicollet Avenue Suite 202
Richfield, MN 55423

David W. Groth, MD

Dr Groth maintains the highest standards of accreditation through the American Board of Dermatology and the American Academy of Dermatology, and participates in continuing medical education to stay current in the latest advances in the field.

Groth professional photo 2010, black background




  • Undergraduate: Stanford University
  • Medical School: University of Minnesota
  • Internship: Harbor UCLA Medical Center, Pediatrics
  • Residency: University of Minnesota, Dermatology
  • Board Certification: American Board of Dermatology, 1988
  • Re-certification in 2009

Dr Groth practices general medical and surgical dermatology, with a special interest in pediatric dermatology. He is an Adjunct Associate Professor at the University of Minnesota, where he is a staff physician in the pediatric dermatology clinic once monthly.

Dr. Groth has been recoginized as a MPLS St. Paul Top Doc since 2001. 




Karl Vance, MD

Dermatologist, Mohs Surgeon 

Dr. Karl Vance is a board-certified dermatologist and specialty trained in Mohs surgeon for the treatment of cutaneous malignancies, including advanced surgical reconstruction techniques.  His advanced training in the surgical treatment of skin cancer was completed in 2014 at the University of Minnesota during his fellowship in procedural dermatology and cosmetic dermatology. The cosmetic focus placed particular emphasis on the use of lasers and other energy-based modalities for the treatment of aging skin.

Dr. Vance has contributed to several dermatological publications and has received two awards from the American Society for Dermatologic Surgery.


Erin Sellinger, MD

Dermatologist, Dermatopathologist 

Dr. Erin Sellinger is a board-certified dermatologist and treats all conditions of the hair, skin, and nails. She completed her Dermatology Residency and Dermatopathology Fellowship at Saint Louis University in the Department of Dermatology. She was also an Intern at Hennepin County Medical Center in Minneapolis. 

Dr. Sellinger has special interest in Dermatopathology, Procedural Dermatology, and skin cancer screening and treatment. She is currently accepting new adult and pediatric patients for general and medical dermatology.


Office Staff


  • Jodi

  • Andreia

  • Meg