The NPI is reported in the same place where you currently enter the Medicaid Provider ID on the ‘CMS 1500’ form, Box 25A; and the Group NPI (if applicable) is entered in 25B. On Form A, the NPI is entered in Box 1 just like your Medicaid Provider ID, and the Group NPI (if applicable) is entered in Box 3. On the UB04 the NPI is entered in FL 56 (the Medicaid Provider ID is entered in FL 57 on the UB04).