Does the 125th St station have an elevator to get up to walking level and a taxi?

Yes. There are 2 elevators, one to each of the 2 platforms there. Make sure you check on the information screen which track/platform you need.

Yes maam..just call or look online and make sure its working

Yes there is!

yup there is an elevator that gets you into the "hall" of the station

Yes

Yes there is an elevator. And there are taxis, generally green and gypsy taxis. Uber is also easy to get.

I don't remember