en عمومى General پژوهشي Research Introduction: Accreditation program is one of the most reputable quality-based and safety-based<br> evaluation models with increasing global acceptance in the health sector that correct implementation<br> of it will lead to more and better observance of safety and patient rights and improve the quality of<br> health services. Therefore, the present study aimed to design a model to evaluate the performance of<br> the national accreditation model of hospitals.<br> Methods: This qualitative research was conducted using grounded theory method. Participants were<br> sampled purposively. Data saturation was happened after 16 semi-structured interviews. Data were<br> analyzed according to Strauss and Corbin approach using Atlas.ti software. As a result, 1387 codes<br> from open coding, 44 concepts and 12 categories are categorized into six dimensions.<br> Results: &quot;Support of the client&quot; was identified as causal conditions. &quot;competence of evaluating teams&quot;,<br> &quot;accreditation implementation structure&quot;, and &quot;comprehensive and barrier of standards&quot; were<br> introduced as strategic conditions, &quot;evaluation of national accreditation performance of hospitals&quot; as<br> an axial phenomenon, &quot;empowerment of process owners&quot; as context conditions, &quot;adequacy of hospital<br> resources with the implementation of standards&quot;, &quot;sharing accreditation benefits with service<br> providers&quot;, &quot;participation of service providers&quot;, and &quot;regulatory regulations&quot; as mediator conditions,<br> and finally, &quot;service quality&quot; and &quot;safety&quot; are identified as outcomes.<br> Conclusion: The research findings include categories and concepts that can be used in evaluating the<br> performance of hospital accreditation models as key indicators and can be effective in improving the<br> quality of hospital accreditation. Performance evaluation, National accreditation, Hospital 41 56 http://intjmi.com/browse.php?a_code=A-10-1-332&slc_lang=en&sid=1 Seyyed Payam Paymard 10031947532846003811 10031947532846003811 No Department of Health Services Management, Faculty of Medical Sciences, Semnan Branch, Islamic Azad University, Semnan, Iran. Leyla Najafi 10031947532846003812 10031947532846003812 Yes Department of Health Services Management, Faculty of Medical Sciences, Semnan Branch, Islamic Azad University, Semnan, Iran. Esrafil Roshdi 10031947532846003813 10031947532846003813 No Department of Basic Sciences, Faculty of Engineering, Semnan Branch, Islamic Azad University,Semnan, Iran