This company provides some excellent, reasonably priced interface tools. See especially the Socket Listener, HL7 Search Tool and the HL7 NotePad. Easy HL7 -http://www.hermetechnz.com
This is a full-function interface engine with all the associated tools. Cloverleaf Interface Engine - http://www1.quovadx.com/
Have your patients fill in ‘bubble sheet’ questionnaires, and have the data come directly into an encounter form.Patient Link. Patient Link - http://www.patientlinkinc.com/