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Welcome to the UPIN Registry, your comprehensive source for Medicare Unique Physician Identification Numbers.

Brought to you by NHIC, Corp., the CMS contracted Registry Contractor responsible for assigning UPIN numbers to Medicare Providers.

Information on this site is updated daily from data supplied by the Medicare carriers.

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  If you find incorrect or incomplete information please refer to the CMS Carrier Directory to obtain information on how to contact your local Medicare carrier for correction.
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September 2007 NHIC has discontinued issuing UPINs effective June 29, 2007. Additionally, CMS has extended its UPIN public “look-up” functionality and Registry website until May 23, 2008. Under the Medicare FFS contingency plan, UPINs and surrogate UPINs may still be used to identify ordering and referring providers and suppliers until further notice. For additional information please check the following MLN article: www.cms.hhs.gov/MLNMattersArticles/downloads/MM5584.pdf
June 2007 NHIC will discontinue issuing UPINs on June 29, 2007, but CMS will maintain its UPIN public “look-up” functionality and Registry website through September 30, 2007. Under the Medicare FFS contingency plan, UPINs and surrogate UPINs may still be used to identify ordering and referring providers and suppliers until further notice. For additional information please check the following MLN article: www.cms.hhs.gov/MLNMattersArticles/downloads/MM5584.pdf
September 2006 For information regarding the National Provider Identifier and Medicare's implementation, go to http://www.cms.hhs.gov/NationalProvIdentStand
July 2006 Effective May 15, 2006 UPINs will be assigned only to physicians and the following non-physician practitioners: Nurse Practitioners (NPs), Clinical Nurse Specialists (CNSs), and Physician Assistants (PAs), and Certified Nurse Midwives (CNM)
 
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