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Katelyn Castro, MS, RD, LDN, CEDS

Licensed Dietitian

“My mission is to help people discover a pattern of eating that’s enjoyable, intuitive and flexible.”

In a culture with many negative messages about nutrition and health, Katelyn is passionate about helping individuals build a more positive, intuitive, and sustainable relationship with food and their bodies. Katelyn embraces the nuances of nutrition and the complexities of health, utilizing an individualized, science-based, compassionate approach. With a focus on one’s strengths and resiliency, she empowers individuals to build eating patterns and health practices aligned with their unique goals and values.

Katelyn received her bachelor’s degree in Dietetics and minor in Psychology from Syracuse University; master’s degree in Nutrition Science at Tufts University; dietetic training at Tufts Medical Center. She then pursued further training in pediatrics and eating disorders through the Leadership Education Adolescent Health Fellowship at Boston Children’s Hospital. Additionally, she has worked as a dietitian at McLean Hospital (Klarman Eating Disorder Center) and Boston Children’s Hospital (Division of Adolescent/Young Adults and Endocrinology).

Specialty areas include eating disorders/disordered eating, sports nutrition, intuitive eating, pediatric/adolescent nutrition, and endocrinology.


  • Eating Disorders
  • Pediatric and Adolescent Nutrition
  • Sports Nutrition
  • Diabetes/Endocrinology
  • Intuitive Eating & Health At Every Size (HAES®)