This document summarizes a research paper that examines the relationships between service quality, customer trust, customer value, and customer loyalty for hospitals that have applied the Joint Commission International (JCI) accreditation standards through the green hospital concept. The study uses a survey of 209 respondents and SEM analysis. The findings are that 1) service quality positively influences customer trust, 2) customer trust positively influences customer value, 3) customer value positively influences customer loyalty, 4) customer trust negatively influences customer loyalty, and 5) customer value has a mediating effect on the relationship between customer trust and customer loyalty. The study aims to help hospitals improve relationships with customers and create long-term customer loyalty.