Talk to a social worker connected to (usually) the ER or outpatient area of a local hospital...they used to be free to discuss things with and also used to be great at finding resources patients of all types need.

Here's a specific link you might use: http://askjan.org/media/Bipolar.html

I'm sure he is just asking so that he fully complies with the ADA and isn't being a jerk on purpose This shows they need to be educated in this area, and you, my friend, are the educator!