Updated to import the modification date as well since that's how notes are sorted in Note.app

import_notes_app_to_evernote.applescript

tell application "Notes"
  set theNotes to every note of the folder "Notes"
  repeat with thisNote in theNotes
    set myTitle to the name of thisNote
    set myText to the body of thisNote
    set myCreateDate to the creation date of thisNote
    set myUpdateDate to the modification date of thisNote
    tell application "Evernote"
      set theTransferredNote to create note with html myText ¬
        title myTitle ¬
        created myCreateDate ¬
        notebook "Imported Notes"
      set modification date of theTransferredNote to myUpdateDate
    end tell
  end repeat
end tell