The Community Health Centre (PHC) is a health service provider in one area. The importance of improving the quality of care at PHC by establishing a close relationship with patients. This study aims to describe the influence of care management and service quality, especially in PHC with work commitments as a mediator. This study uses a quantitative approach and path analysis. An accidental technique determined the sample by distributing questionnaires; the number of nurses was 100 people. The results showed that work commitment as a mediator in improving service quality had a small and insignificant effect. In contrast, the direct impact was more significant on care management on service quality. The conclusion is that nursing management has an immediate but insignificant effect on service quality, compared to the direct impact: supervision, patient satisfaction survey, percentage of cases carried out in inpatient PHC.