Dermatology & Skin Surgery Institute of North Texas is a Frisco, Texas dermatology practice led by Brent Spencer, a double board-certified dermatologist and micrographic dermatologic surgeon with fellowship training in Mohs surgery. The practice provides dermatology care and specializes in Mohs surgery as well as cosmetic dermatology services, including laser treatments and cosmetic injectables such as Botox and fillers. The office also participates in charitable efforts to help provide dermatology care to uninsured patients in Collin County.