What phone number do I call to check on a patient my son Shan Del Myers?

My mother called twice to find out about her brother who was taking to ER by ambulance. She was transferred to supposedly the ER area. The phone rang over an over an then nothing. No one answered an it was around 10 pm.

Geisinger information and tell them your son's name

What are they. In like what department

Not sure they have there own phones