Reviews under aliases are no longer allowed.  I tried to do it, and when you go to enter your handle in the review, only your primary one is available to enter, the review alias I created on my account was not.  

Yours is a sticky situation with the wife.  If you see a provider by yourself, you do not have to write a review of her.  You could explain that to the provider ahead of time.  If she has plenty of reviews, she probably won't mind.  I have seen some that I didn't review, for various reasons.  Of course, you could see a provider that doesn't want reviews, there are many that don't want them.  

As far as a new profile goes, I believe you would have to do it from a computer with a different IP number from the one you are currently using.  Is it really worth going to all that trouble just to see a solo provider?  Just see her and don't write the review.  If she asks about a review, explain the situation with your wife, she will probably understand.  Be sure to tell her NOT to White List you.  That would show up on your account.

because you didn't use an alias to post this question. Google your handle, and this thread is the first link that comes up. Sorry.