Could any texan help me out?

I have a stepson that is an addict. I got a phone call from someone tonight saying my stepson had had a heart attack and was in hospital. He gave a number to reach him as 713 701 7369. When I tried calling the number was not in servic.e does anyone know of a hospital with this number. Stepsons name is Paul wilker. supposed to be on 3rd floor rm 65 at an unknown hosp.