IGC DEA Approved for EPCS Prescribing by IdenTrust (part of HID Global) offers IGC certificates for EPCS prescribing and identity proofing. IGC certificates for the EPCS program are divided into two categories—Identity proofing only and EPCS prescribing. Each EPCS provider requires a specific type of certificate and hardware. Selecting BUY NOW directs you to the Certificate Selection Wizard to help choose the correct certificate type for the EPCS program. Basic Assurance | Individual Identity | Software Storage. Basic Assurance | Individual Identity | Hardware Storage. Medium Assurance | Organization Identity | Device. Basic Assurance | Individual Identity | Software Storage | Mobile Authentication. Basic Assurance | Individual Identity | Hardware Storage | Mobile Authentication. HID Smart Card use existing HID Smart Card with reader HID USB Token use existing.