The aim of the research: to measure the patients` satisfaction with the quality of Healthcare according to age, gender, level of education, employment status and reason for hospitalization. The draft of the study: Cross-sectional study Examinees and methods:The research included one hundred and thirty (n=130) hospitalized examinees. The research instrument was an anonymous questionnaire. The questionnaire consisted of 20 questions; five questions refer to indentifying socio-demographic features (age, gender, level of education, employment status and reason for hospitalization), fifteen questions were Lickert type questions (1 – bad, 2 – satisfactory, 3 – good, 4 – very good, 5 – excellent), quality indicators designed for the study of elements of the patients` satisfaction level. The standardized Laschinger HCAHPS (Hospital Consumer Assessment of Healthcare Providers and Systems) questionnaire of patients` satisfaction with the quality of Healthcare was used for this purpose, as well as NPSCC (Patient Satisfaction With Nursing Care Quality Questionnaire) questionnaire in three thematic analysis according to the Risser scale: interpersonal relationship and trust, education and awareness and technical-professional competence in nursing. Results: patients rated the overall Healthcare quality as excellent. Somewhat lower rating was expressed in representation of nurses, in reception upon arrival at the hospital and in getting clear answers to all of their questions. Conclusion: Patients are extremely satisfied with the quality of the provided Healthcare in the Clinical hospital Osijek, Department of Nuclear Medicine and Radiation Protection. They are equally satisfied with the relationship with nurses and technicians. There are statistically significant differences in relation to age, employment status, level of education and the reasons for hospitalization, while there are no significant statistical differences by gender.