Dr. Marcus Frohm received his medical degree from the University of Michigan Medical School. He completed his transitional 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 U-M and is now completing advanced fellowship training in the Department of Dermatology/ Cutaneous Surgery and Oncology Program.