Dr. Daniel Ostler practices Dermatopathology in NAPLES, FL. Dermatopathology is a medical specialty that focuses on dermatology and pathology, and involves the diagnosis of various diseases of the skin, hair, and nails by looking at cutaneous diseases at a microscopic and molecular level. By revealing the histology of diseases and results from a specific diagnostic interpretation, Dr. Ostler is able to analyze the potential causes of skin diseases at a basic level.