Welcome to Warthan Dermatology Mohs Skin Cancer Surgery Center, the practice of Surgeon, Molly M. Warthan, M.D. Dr. Warthan is board certified in Dermatology and Fellowship trained in Mohs surgery. Our office is conveniently located in the heart of Fort Worth, Texas. We specialize in Mohs Micrographic skin cancer surgery. We are excited to provide comprehensive skin cancer treatment and dermatology services, in a friendly, welcoming, and caring environment.