The present study purports to examine the relationship between organizational and occupational commitment and to find the determinats of occupational commitment for salaried physicians working in hospitals. For the purpose of comparison, those of hospital administrative and clerical employees were also investigated for the purpose of comparison. The sample for jthis study consists of 77 salaried physicicas and 185 administrative and clerical employees (comparison group) from two university hospitals in Seoul and its surburbs. Data were collected by questionnaires and analyzed using ANOVA, ANCOVA, and multiple regression. The main findings of the study are as follows : 1) organizational and occupational commitment were positively correlated for both salaried physicans and clerical employees; 2) the variable of job variety had a positive impact on occupational commitment for salaried physicians; and 3) three variables of fairness of rewards, autonomy, and job variety had positive impacts for clerical employees. These findings were discussed and implications for organizational analysts and hospital administrators were suggested.