Marcus Frohm, MD | Dermatology | Sanford Health Skip To Content

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Marcus Frohm, MD


  • Undergraduate
    University of Pennsylvania (Philadelphia, PA)
  • Medical School
    University of Michigan (Ann Arbor, MI)
  • Residency
    Mayo Clinic (Rochester, MN)
  • Internship
    St. Joseph Mercy Hospital (Ann Arbor, MI)
  • Fellowship
    University of Michigan (Ann Arbor, MI)
  • Board Certifications
    American Board of Dermatology

  • All aspects of cutaneous surgery and oncology with an emphasis on the multidisciplinary management of basal cell carcinoma, squamous cell carcinoma, melanoma, Merkel cell carcinoma, and other rare cutaneous tumors
  • Procedural dermatology and Mohs Micrographic Surgery
  • To treat each patient like a family member on the strong foundation of the highest-quality, evidenced-based medicine and multidisciplinary collaboration.

  • Clinical, histological, and epidemiological characteristics of Merkel cell carcinoma
  • Pathogenesis of Merkel cell carcinoma
  • Molecular, biochemical, and cellular basis of melanoma
  • Use of sentinel lymph node biopsy for melanoma and Merkel cell carcinoma
  • Surgical and pharmacological management of basal cell carcinoma
  • Molecular, biochemical, and cellular basis of basal cell carcinoma
  • English

    Marcus Frohm, MD, received his medical degree from the University of Michigan Medical School in 2007. He completed his internship at St. Joseph Mercy Hospital in Ann Arbor, Michigan and his dermatology residency at the Mayo Clinic in Rochester, Minnesota, In July 2011, Dr. Frohm returned to the University of Michigan to complete a two-year fellowship in Mohs micrographic surgery and cutaneous oncology. He remained on staff as assistant professor at the University of Michigan prior to moving to Sioux Falls in 2014.

    Marcus Frohm, MD, is married and has one child (and one child on the way). His wife, Jocelyn, is also a dermatologist in the Sanford Clinic. In his free time, he enjoys spending time with his wife and family. He also enjoys running and outdoor sports. He is an avid University of Michigan football fan.

  • Clifford B Scott Award, Sigma Phi Epsilon, University of Pennsylvania
  • Herman P. Schwann Award in Bioengineering, University of Pennsylvania
  • Summer Biomedical Research Program Grant, University of Michigan Medical School
  • William B. Taylor Dermatology Award, University of Michigan Medical School
  • Dean's Commendation for Excellence in Clinical Skills and The Art of Medicine, University of Michigan Medican School
  • Alpha Omega Alpha, University of Michigan Medical School
  • Dermatology Foundation, Clinical Career Development Award in Dermatologic Surgery, "Pharmacological Treatment of BCC: How Much Do We Really Know?"
  • Primary Practice Location

    Sanford Dermatology Clinic

    1310 W 22nd Street
    1st Floor
    Sioux Falls, SD 57105

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    (605) 328-8600


    (605) 328-8601