I had a missed call from this number. I called it back and got the following recording:
"The number on your caller ID, 513-585-0000, came from the Christ Hospital of Cincinnati. This number belongs to no particular telephone at the hospital but serves as an identifier for the hospital.
The main number for Christ Hospital is 513-585-2000. Be advised that the Christ Hospital operator on duty has no ability to identify which particular number placed the call to you.