That sounds like the old trick of pulling out a pen and paper and saying "I'm going to record this, okay?" with a tape recorder in your briefcase.

Are they informed that their personal medical information will be shared with an unknown set of third parties / LLMs subject to manual QA / cloud services with telemetry?

Honestly sounds like she's opening herself up to massive lawsuits (depending on State law). I would reach out to the legal department if any doctor pulled this kind of shit on me.