A subpoena is a document that compels someone to do something. It carries judicial weight. It formally commands someone to either appear in court or produce documents.
A personal subpoena is a judicial document that commands someone to appear in Court. A subpoena duces tecum is a document that commands someone to bring records into court.
There are many reasons why we use a subpoena to get records into court. There are also many rules governing how this document must be delivered and who can deliver it. In fact, there are people who specialize in delivering these documents. They are known as process servers.
Watch the video to learn what has to be done if you intend on serving a subpoena on a municipal (or city-owned) hospital in the 5 boroughs of New York City.