The objective of this research is to find the influence of professionalism on the organizational performance, where 437 people of physical therapist, radiological-technologist, medical laboratory technologist and occupational therapist working for 35 medical service utilizations were included. The professionalism employed for medical technicians has shown significant difference on the duty performance, job meaning, appropriate salary and job autonomy with sex and ages among the value variables for jobs, and the influence of duty has shown the significant difference only on the ages. Second, the appropriate salary among the variable values for jobs has the most significant influence on the systemicity and the affections to jobs of measurable values. Third, it has shown that the higher years at work among the duty special quality have strong affection to workplace. Fourth, from the result of occupational category, the professional values affecting the organizational performance of medical technicians have difference on the type of medical technicians.