Where in the face , what kind of pain?
To get best treatment & diagnosis your drs should have asked for descriptive words like any burning, stinging, dull, sharp, throbbing, and also the areas where the pain happens..

Might be something like..
Occipital Neuralgia - Google Search
Or
trigeminal neuralgia - Google Search

Trigger points in your muscles can cause referred pain & symptoms to the face..
Pain Reference Chart
Head and Neck | The Trigger Point & Referred Pain Guide