How to Locate OS X Apps on Your Mac By Bundle ID
These are simple instructions on how to find the location of Mac OS X applications by Bundle ID.
Launch Terminal from your Applications:Utilities folder.
Input mdfind "kMDItemCFBundleIdentifier == 'com.bundle.id'" replacing com.bundle.id with the BundleID of the app you're searching for, and press Enter.
You'll now be shown the directory location of the app you were looking for. If you have multiple copies of the app on your system you'll be a shown a list of locations.