ðɪ ˌɛnpˌiːˈaɪ hɐz ɹᵻplˈeɪst ðə juːnˈiːk fɪzˈɪʃən aɪdˈɛntɪfɪkˈeɪʃən nˈʌmbɚ jˈuːpɪn æz ðə ɹᵻkwˈaɪɚd aɪdˈɛntɪfˌaɪɚ fɔːɹ mˈɛdɪkˌɛɹ sˈɜːvɪsᵻz, ænd ɪz jˈuːzd baɪ ˈʌðɚ pˈeɪɚz, ɪŋklˈuːdɪŋ kəmˈɜːʃəl hˈɛlθkɛɹ ɪnʃˈʊɹɹɚz.
The NPI has replaced the Unique Physician Identification Number (UPIN) as the required identifier for Medicare services, and is used by other payers, including commercial healthcare insurers.