I'm not sure that Bioche was endorsing your taking none of your meds. Maybe he'd meant extra prn meds? Maybe he'll come along and comment.
I took my meds when I went in for review. It was fine.
You do need to be able to get out of the house!
Use your judgement, you'll be fine in the disability exam.
A lot of weight is given to what your pdoc and your tdoc have to say, as they know you best.
I hope you can sleep well each night while doing all 3 of these appts.

WC