Hello, I am preparing to open up my private practice in a few weeks and want to make sure I am prepared to accept insurance. I am credentialed on several major insurance panels and did this when I was working at another agency. I have acquired an EIN and NPI for my LLC and also have myself as the rendering provider where I use my SS and provider NPI. This is all very confusing as I am not sure where I need to put these on the CMS 1500 form. Can anyone give me some clarification on how to make sure I have the form completed correctly?