LLMs are absolutely being used in medical transcribing. A doctor I know was just raving to me about Epic's new system. Now instead of staring at the computer during the whole appointment he has the epic LLM fill out the report from his notes and does brief editing which allows more face to face time.

Healthcare software is incredibly resilient against bottom-up replacement.

Huge feature lists, high standards for correctness, strict regulations, existing long-term contracts.

It's like the space industry before SpaceX. Everyone knows the incumbent is inefficient, but you can't compete without building the whole damn rocket.