Of the 10,504 locations reviewed, providers should not have been listed at 33.14% (3,481) of thelocations (2,088 + 1,393, as shown in Table 5) either because the provider did not work at thelocation or because the provider did not accept the plan at the location. In 1,393 of theseinstances, the provider should not have been listed at any of the locations in the directory. Therewere 690 phone numbers that were wrong or disconnected and 364 incorrect addresses. Finally,there were 221 instances in which the provider was found not to be accepting new patients,although the directory indicated that the provider was accepting new patients. Table 5 provides abreakdown of deficiencies identified by CMS during the review process.
This is a review of Medicare Advantage Plans provider directories. It details multiple failings in these provider directories. NPPES is not directly mentioned, but is likely the source of the various business address problems in the data.