Pediatric endocrinology nurses make the most money in the Nursing field. Pediatric endocrinology nurses are specialized nurses who work specifically with children and adolescents dealing with endocrine system disorders or conditions. The endocrine system is responsible for producing hormones that regulate various bodily functions, growth, and development. Pediatric endocrinology nurses focus on caring for young patients with hormonal imbalances, growth disorders, diabetes, and other endocrine-related issues.