Background: in recent decades, Medical Tourism Industry has been mentioned by local countries because of its benefits such as high profits, more jobs creation and other benefits. High medical services quality is one of the most important factors developing this industry in health care centers. Therefore, concerning this issue this study assesses the provided medical services quality to the foreign patients by Medical Tourism Centers in Tehran city.

Materials and Methods: This study was an applicable and descriptive in term of purpose and nature repectively. This study conducted to assess provided services quality by Medical Tourism Centers evaluating 154 impatient foreign patients using SERVQUAL approach in ten swlwcted hospitals during March to April in 2014. Graded Integration method and terms of fuzzy set were performed considering complexcity and ambiguity in conceptualizing and weighting dimensions and indices.

Results: there was a negative gap and dissatisfaction in all dimensions and indices among foreign patients in the significant level p<0.05 except physicions and profession medical staff.

Conclusion: Considering the moderate situation of physicians and profession medical staff, modern medical facilities and equipment and appropriate medical costs comparing to services are the main factors of Medical Tourism Industry development, it is possible to enlarge Iran’s bazar portion of Medical Tourism Industry.