The Datacard 280 series embossers have long been the healthcare standard for embossing patient cards.  Use the 280P on a network, or use a format stored in the embosser so you can still produce patient cards even when the network goes down.
280P Datasheet
Discontinued As of August 27, 2018 - the 280 is no longer available
Take a look at the CIM MAXIMA 841 (Automatic Feed) and the MAXIMA 821 (Manual Feed).