I found this drug list here https://www.copdfoundation.org/COPD360social/Commu...
and used it for my doctor.
the other day I priced each one of these from my drug plan -- tedious work, but when I take it with me now, he'll know what I'm covered for and what not. It's a good start. I cut and pasted it and put it in a spreadsheet and entered all the prices, etc.
If you have the time and patience, it might be a good thing to have with you
I did notice how EXPENSIVE the breathing meds are -- wow -- even with an AARP drug plain -- they will make you poor