Sarah Weitzul MD and Jennifer Perone MD. Denton, Texas. Board certified dermatologists specializing in Mohs Micrographic Surgery & treatment of skin cancer. Serving Denton, Corinth, Argyle, Sanger, Krum, Lake Dallas, Flower Mound, Lewisville, TX. Skin cancer screening & skin cancer removal. Skin cancer surgeons who have performed thousands of cases of Mohs Surgery. Denton Texas.. Contact skin cancer surgeons Dr. Perone and Dr. Weitzul for Denton skin cancer surgery or Denton Mohs Surgery. Denton TX.