One correction, she's a PA (Physician Assistant), not a Nurse.

As far as working anywhere, not quite. If you plan on moving, you need to find a place, find a job in that place, transfer your license to the new state, move all your shit to the new place, and hope your job offer is still valid by the time you get there.

It requires a lot of resources to just pick up sticks and fuck off to the four winds, and not everyone has the money, time, energy, or even brain power to pull it off.