Background: Endometriosis is a health problem that causes various biological, psychological, and social problems. Patient-centered care is the best standard of care in endometriosis cases. ENDOCARE is an questionnaire assessing all dimensions of patient-centered endometriosis care. However, there has been no adoption of this questionnaire in Indonesia. Aim: To determine the validity and reliability of the Indonesian version of the ENDOCARE questionnaire. Method: This study is a cross-sectional study conducted on patients with endometriosis on Dr. Cipto Mangunkusumo, Jakarta, Indonesia from July 2020 to December 2020. Patients with communication problems were excluded from the study. The English version of the ENDOCARE questionnaire was translated into Indonesian and back into English by sworn translators and specialists in obstetrics and gynecology. Analysis of the validity and reliability of ENDOCARE was carried out. Result: There were 108 respondents who were included in the study. Percentage of negative experience (PNP), mean important score (MIS), and patient-centered care (PCS) score were analyzed. Validity and reliability tests were performed. There were 38 questions covering 10 dimensions in the Indonesian version of the ENDOCARE questionnaire Conclusion: The Indonesian version of the ENDOCARE questionnaire is a valid and reliable questionnaire in assessing patient-centered care of endometriosis.