Family Planning (FP) program achievement in North Sumatera Province is less encouraging. Total fertility rate in North Sumatera (3.0) is higher than the national (2.6) and contraceptive prevalence (55.9%) is lower than the national (61.4%). As one strategy to increase FP participation, momentum sterilization service was feared not to meet the medical care standard because related to Indonesian Record Museum. This evaluation aimed to explain service quality and satisfaction among male sterilization acceptors. Both qualitative and quantitative evaluation were done cross sectionally against FP officers, prospectives and acceptors who received medical procedure during momentum service performed in 13 health facilities in Medan City, North Sumatera on October 23 to 24, 2012. Qualitative data were obtained through in-depth interview towards subdistrict and village FP managers. Quantitative data regarding prospective acceptors and a structured questionnaire to subsample of male sterilization acceptors were collected by the provider at the service location. Results showed the relatively smooth preparation, mobilization, Information, Education and Communication, male sterilization services and its reporting records. Implementation of male sterilization service had served 1379 of 2001 prospective acceptors targetted, so the national record was achieved. Almost all respondents were satisfied with the services provided both by FP and medical officers.