Here is the very good article which explains with simple examples when and where to use Individual and Group NPI.
http://www.iridiumsuite.com/npi-and-billing
http://www.iridiumsuite.com/npi-and-billing
Techno-functional 15 Years EMR/PMS experience.Love to work in EMR, e-Prescription, HL7, Medical Billing, EDI 4010, EDI 5010, CMS 1500 FORM, etc. Email : vbsenthilinnet@gmail.com