Does your doctor's office charge to fill out FMLA paperwork?

This all comes from my mind being blown in a due date group I'm in on Facebook. I fill out FMLA paperwork multiple times a week for an oncological surgeon, and we don't charge. There is dozens of women saying their doctor's offices charge $25-$40 to fill out FMLA... I can't believe they charge for this.

ETA: FMLA forms are one of my least favorite tasks and a pain in the ass... But wow