The cost of skin cancer treatment in Wisconsin hospital systems ranges from $5,000 to $20,000, with an average cost between $8,000 to $10,000. At Dermatology and Cosmetic Physicians, Dr. Steffes can treat your skin cancer in an outpatient setting with no hidden fees. Costs range from several hundred dollars to several thousand dollars depending on the cancer type, treatment regimen, number of sessions and your health insurance coverage.