DocDirect is a purpose built Directory WordPress theme for health care profession. It is designed in a way that it could be used for any directory as it has all the features a directory website may need (and many more!). The current template has been designed with a directory for healthcare establishments in mind.
Demo: https://themeforest.net/item/docdirect-responsive-directory-wordpress-theme-for-doctors-and-healthcare-profession/16089820