Introduction: Assessment of the quality of care from the consumers and providers perspectives is a fundamental part of quality evaluation. Aim Measuring service quality from perspective of consumers and health care providers in accredited and non accredited primary health care centers at Sahel Seleem health district. Study design: A descriptive comparative. Setting: The study has been conducted in primary health care centers at Sahel Seleem health district. Subjects and Method: The study subjects consisted of two categories (640) consumers and (193) health care providers. The data collected through self- administered questionnaire which include socio demographic data and the service quality model (servperf) developed by (Cronin and Taylor, 1992) .Results: The highest mean scores of consumers perspectives in favor of non accredited centers except in tangibles dimension and health unit characteristic and the highest mean scores of providers perspectives in favor of non accredited centers except in health unit characteristic. Conclusions: There were statistical significant differences between the consumers and the health care providers perspectives in all dimensions except tangibles dimension. Recommendations: Raise consumers and services providers awareness about services quality in the primary health care centers.