K.R.
Hey S.. I have a lot of physical, occupational, and speech therapists in my family. My aunt, who is a speech therapist, says that nurses are always saying a bunch of bullcrap just to get money from you.
I urge you to give your daughter time..Help her with talking. Speech therapy is a little traumatizing (well it was, for me. I got a therapist when I was one and a half and she was British. I'm American.)
And besides, a red flag should be what the nurse told you: who really has time to sit there and count how many words your daughter says?
Give her time. And should nothing improve, then do something about it.