Geisinger just called me to inform me that my case was approved after review. It seems that I was initially denied due to a clerical error. So asking them to review the case made a big impact, which is quite disappointing that something like that could potentially be missed.
But a very nice present for the holidays!
If medical debt weighing on people across the US is a concern to you, then I'd recommend brightening up someone's holidays with a donation to
https://ripmedicaldebt.org/Every $100 you donate erases $10,000 in medical debt. I just donated $250 and hope to erase $1 million in medical debt in the coming years. Hope you can join me!