Whether you bill in-house or use a third party billing company, use us for periodic audit of your billing. Are you using correct coding? No insurance company will call you to tell you if you are leaving money on the table. You want to do things ethically and correctly but at the same time you do not want to be in a situation that results in underpayments to your practice.As part of our Audit and Revenue Optimization service, we will review a large sample of your charts initially and then return back periodically to review..