Good watch, probably won't watch again, and can recommend.
This actually reminds me a lot of "Bounty Hunter", but with distinct elements of "Guest House" and "The Hustle".
It's honestly disturbing to me to see the anatomy of a sociopath laid out in a movie like this, but it does thoroughly example both what it is like to have your identity stolen and the kind of monsters that do that sort of thing.
Jason Bateman and Melissa McCarthy are both top notch comedic actors, but some of the scenes were a little hammy, even for them.
A lot of the movie sort of feels like a VERY long SNL sketch where people are going, "Wouldn't this be funny?" and someone always went, "Yeah, put that in, why not?".
It's not that it's not good, but it could have been great.