Background: To improve the quality of health care, the health care provider needs to know whatrnfactors influence patient satisfaction. Many cases of patient dissatisfaction can occur due torninadequate discovery of their needs. There was no adequate study related to patient satisfactionrnof health care on private wing. Therefore, the objective of this study was to assess patientrnsatisfaction on quality of health care delivery on private wing of the ALERT Hospital, AddisrnAbaba, Ethiopia.rnMethodology: A cross sectional descriptive study was conducted fromJune 17 to July 6, 2013 inrnAll Africa Leprosy and Tuberculosis Rehabilitation Training Center /ALERT/ Addis AbabarnEthiopia. The data was collected by using structured questionnaire and checklist. Face to facerninterview was employed. Participants of the study were interviewed after leavingrnconsultation/physician room. The check list was filed by the principal investigator of the study. rnResults and discussion: The study has shown that the overall satisfaction level of the patientsrnwith the quality of care they received was 238(62.8%). Majority of the clients believed that thernhospital compound was clean, quiet (no sound pollution) and not crowded 333(88%), 358(95%),rnand 319(84 %), respectively. Patient satisfaction with the health care provided was found to havernno significant association with the socio- demographic characteristics of clients. More than halfrn(57.5%) of clients from those who are going to pharmacy were not getting the prescribed drugrnfrom Hospitalâ€™s pharmacy. This survey has shown that waiting time for registration and beingrnseen by a health professional, the health service cost, courtesy and respect by nurses, patientsrnwho believed will come again and recommends the private wing of the ALERT Hospital tornothers, were predictors of patient satisfaction after adjusting for other variables.rnConclusion and recommendation: Generally the study revealed that, the overall patientrnsatisfaction on the private wing of the ALERT Hospital was moderate. However theirrnsatisfaction with specific elements (indicators) of quality of care was varied. The Hospitalrnresponsible body needs to understand the extent of the problem with drugs and supplies and planrnto look for different mechanisms to keep adequate stock of essential drugs and standard medicalrnequipments. and effort should be made in different dimensions on reducing waiting time andrngiving quick service in the Hospital.