********************************************************************** ********************************************************************** See the 'desc' files for the last update of each file. ********************************************************************** ********************************************************************** by Jean Roth , jroth@nber.org , 2008-05-20 NPI deactivation dates are back-filled to May 2005. So, the current file should have all deactivation dates. "IMPROVEMENTS NEEDED TO ENSURE PROVIDER ENUMERATION AND MEDICARE ENROLLMENT DATA ARE ACCURATE, COMPLETE, AND CONSISTENT" by Daniel R. Levinson Inspector General May 2013 OEI-07-09-00440 http://oig.hhs.gov/oei/reports/oei-07-09-00440.pdf 2012-11-02 notice: ------------------ Important Information: CMS is pleased to announce that the full replacement monthly NPI File (also referred to as the NPPES Downloadable File) has now been revised to include deactivated NPIs and the date of deactivation within the file. The deactivated NPIs in the file can be displayed by filtering on the column name "NPI Deactivation Date". In addition, CMS will also make available a weekly incremental NPI file and a full replacement monthly NPI deactivation file. Please read the announcement found on the CMS NPI Data Dissemination page at http://www.cms.gov/Regulations-and-Guidance/HIPAA-Administrative-Simplificat ion/NationalProvIdentStand/DataDissemination.html regarding these files. OIG, Accuracy of Unique Physician Identification Number Data (OEI-07-98-00410), October 1999. https://oig.hhs.gov/oei/reports/oei-07-98-00410.pdf OIG, Inaccuracies in the Unique Physician Identification Number Registry: Incorrect Addresses for Mental Health Service Providers (OEI-03-99-00131), May 2002. oig.hhs.gov/oei/reports/oei-03-99-00131.pdf OIG, Accuracy of Unique Physician/Practitioner Identification Number Registry Data (OEI-03-01-00380), July 2003. https://oig.hhs.gov/oei/reports/oei-03-01-00380.pdf OIG, Medical Equipment and Supply Claims With Invalid or Inactive Physician Numbers (OEI-03-01-00110), November 2001. https://oig.hhs.gov/oei/reports/oei-03-01-00110.pdf OIG, Durable Medical Equipment Ordered With Surrogate Physician Identification Numbers (OEI-03-01-00270), September 2002. https://oig.hhs.gov/oei/reports/oei-03-01-00270.pdf OIG, Invalid Prescriber Identifiers on Medicare Part D Drug Claims (OEI-03-09-00140), June 2010. https://oig.hhs.gov/oei/reports/oei-03-09-00140.pdf Medicare Payments for Claims with Identification Numbers of Dead Doctors, 110th Cong. 12 (2008) (testimony of Herb B. Kuhn, CMS Deputy Administrator). http://www.hhs.gov/asl/testify/2008/07/t20080709e.html Combating Fraud, Waste, and Abuse in Medicare and Medicaid, 111th Cong. 5 (2009) (testimony of Daniel R. Levinson, Inspector General). http://www.hhs.gov/asl/testify/2009/05/t20090506d.html