Internal Branding doesn't have a long research background in Iran. In health care industry with regard to importance of human resource in development of brand of a medical center, creation and development of internal branding must be planned first. In this paper the dimensions of internal branding and their effects on the brand employees' performance are investigated. The authors conduct a descriptive and correlation research using a sample of 390 employees of hospitals in Isfahan, Ahwaz and Hamadan by cluster sampling and data has analyzed through correlation, simple linear Regression, multiple Regression, Kruskal-Wallis and Freedman tests. The results indicate that there is a positive significant relationship between Internal Branding and both Brand Identity (β=0.421 , t=8.623), and Employees` Brand Commitment (β=0.355 , t=7.022); Brand Identity and Employees` Brand Commitment (β=0.230 , t=4.434); Employees` Brand Knowledge and Employees' Brand Commitment (β=0.167, t=3.037); Employees` Brand Commitment and Employees` Brand Performance (β=0.454 , t=9.461) and Hospital's Differentiations and Employees` Brand Commitment ( X2=17.097 , df=2).
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