Specialty Physician Consultation - 1 hour assessment and treatment recommendation. Gene Therapy. Gene therapy is an experimental therapy that treats cancer by introducing genes into the individual's cells and tissues, replacing mutant cells with functional cells. Consultation is with a specialty physician knowledgeable of genetic and cell based therapies.The total cost includes a one hour consultation with a specialist. Not included are diagnostic studies, consultations with additional specialists and cost of complication management; travel, food and lodging.