Reviews are the strongest trust signal a practice has. They are also the easiest to collect in a way that feels wrong.
Never ask inside the consultation room, never ask a patient who has just received difficult news, and never make the request feel like part of the treatment. The doctor should not be the one asking.
The workable version is quiet and delayed: a short message from the chamber a day or two later, with one link, no incentive, and an easy way to send private feedback instead.
Answer the negative ones in public, briefly and without clinical detail. A calm reply to a complaint persuades more prospective patients than the five-star reviews above it.