At the bottom of a provider's profile, is a cronological list of reviews that include appearance and performance scores.

It would be helpful to list city or location for each of the reviews.

Yes, you can look up all reviews of a Reviewer. Then find the providers review & see what city they met in.  But seeing where a provider travels would be helpful.

I do wonder if there would be a LE consideration that the providers may be conserned with.