You state you have a Frozen ATPL. So you have, in fact, a CPL and not an ATPL. That begs the question: Do you have the required hours for an FAA ATP? Or are close enough that you expect to gain the needed hours before your ATP exam credit expires in 2 years?
If not then the new FAA ATP requirements don't affect you because you won't be able to to get an ATP anyway. The highest licence you can get is a Commercial, + add ratings to it eg instrument, instructor etc.