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About Dr. Karen J. Sundby

Board Certified Dermatologist in Denver, Colorado


Karen J. Sundby (formerly Johnson), a native of Denver, Colorado, received her undergraduate degree from the University of Arizona where she graduated Magna Cum Laude and was elected to Phi Beta Kappa honor society. She received her medical doctorate from the University of Colorado School of Medicine where she graduated in the top 5% of her class and was elected to Alpha Omega Alpha medical honor society. Dr. Sundby completed an Internal Medicine internship at the University of Colorado, then completed her Dermatology residency at the University of Colorado where she served as chief resident. She then completed a Fellowship in Mohs Micrographic Surgery and Cutaneous Oncology at the University of Pittsburgh Medical Center at Shadyside in Pittsburgh, Pennsylvania under the directorship of Drs. John A. Zitelli and David G. Brodland.

Dr. Sundby is Board certified in Dermatology and is a member of the American Academy of Dermatology, the American College of Mohs Micrographic and Cutaneous Oncology, the American Society of Dermatologic Surgery, the American Medical Association, the Denver Medical Society, and the Colorado Dermatologic Society.

Dr. Sundby is committed to teaching and holds an appointment as Assistant Clinical Professor at the University of Colorado, Department of Dermatology and participates in teaching the dermatology resident physicians.

Dr. Karen J. Sundby
  • Undergraduate
    University of Arizona
  • Doctorate
    University of Colorado School of Medicine
  • Internal Medicine Internship
    University of Colorado
  • Dermatology Residency
    University of Colorado, Chief Resident
  • Fellowship in Mohs Micrographic Surgery and Cutaneous Oncology
    John A. Zitelli, M.D. and David G. Brodland, M.D.

  • Membership
  • American Academy of Dermatology
  • American College of Mohs Micrographic and Cutaneous Oncology
  • American Socienty for Dermatologic Surgery
  • American Medical Association
  • Colorado Medical Society
  • Denver Medical Society
  • Colorado Dermatologic Society

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Getting to Rose Medical Center


Rose Medical Center

Dr. Sundby’s practice is located in the Rose Medical Center, Rose Founders Building at 4700 Hale Parkway, Suite 140 in Denver.