Three things to know:
1. Mr. Castillo is COO of Northwest Texas Healthcare System in Amarillo.
2. He began his career in healthcare as a nursing assistant.
3. He succeeds Alan Garrett, who moved to central California last year.
More articles on executive moves:
Sallie Piazza to serve as CNO at Saint Vincent Hospital: 3 points
Olympic Medical Center names Ralph Parker CNO: 3 notes
27 recent hospital, health system executive moves
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