The Court of Appeals said that he could be and said..

there is no presumption for continued existence in the law of the state of California.
The Betrayal of Hippocrates
This is in practice here, in Philadelphia, PA "Basically, what it says is if a hospital ethics committee says that the care shall not be approved in that hospital, even if you find a doctor willing to provide the care, they can't do it. That's in a Catholic hospital."

Is there a website where people can get this protective medical decision document?

Yes. Advance Directive: Protective Medical Decisions Document | Patients Rights Council
Public domain