Just dial is an awesome website and application to search about almost everything like doctors clinic, book store, and etc. Even just dial provides you the specialist in doctors like cardiologist, dermatologist etc, if you want you can contact with them even you can seen them on map with your location it is standard app to search on emergency if your phone cannot support large software then you can download the lite version of it within just 1 MB , I know you will understand the value of the app when you will use it.