Improvement in the service quality system of health clinics in Malaysia had increase with the increase of national development. However, customer dissatisfaction towards regular service still has become an issue in the provision of health service in clinics throughout this country. This study aims to identify factors that influence customer satisfaction such as sociodemographic factors of patients, the location of clinic (rural or urban) and the most important SERVQUAL dimensions in determining customer satisfaction. This study conducted in October and November 2008 in Hulu Langat District. SERVQUAL questionnaires were used. Probabilistic sampling was used for the selection of respondents and the number of samples for each clinic was based on the workload of the clinic. Overall, the results showed that there are differences in levels of customer satisfaction between urban clinic (25.8%) and rural (30.7%). The most critical service quality dimensions for urban clinics are the responsiveness and reliability dimensions with a mean value of -0.7018 and -0.7434. Responsiveness, existence and reliability are the weakest quality service dimensions (mean -0.6317, -0.6718 and -0.6028) in rural clinics. It was found that customers’ ethnicity and education affect customer satisfaction in both the urban and rural clinics. Gender and type of work are factors that affect customer satisfaction only in urban clinics. Overall customer satisfaction at health clinics in Hulu Langat District is low. The difference between urban and rural clinics show the customers' needs in the area is different.