Property talk:P9450

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National Provider Identifier
identification number for American health care providers issued by the Centers for Medicare and Medicaid Services

Associated item	Centers for Medicare and Medicaid Services (Q5060058)
Applicable "stated in" value	NPI Registry (Q106520379)
Data type	External identifier
Domain	human (Q5), organization (Q43229) or healthcare provider (Q23905463)
Allowed values	\d{10}
Example	Laura Georgi DiStefano (Q75863450) → 1609145358 Mark E. Cooper (Q106399713) → 1184991796 Sinai Hospital (Q17034590) → 1750599809 Seattle Children's (Q7442069) → 1467536276 1194083568
Source	https://npiregistry.cms.hhs.gov/ https://download.cms.gov/nppes/NPI_Files.html
Formatter URL	https://npiregistry.cms.hhs.gov/provider-view/$1
Related to country	United States of America (Q30) (See 762 others) (United States of America (Q30))
Lists	Items with the most statements of this property Count of items by number of statements (chart) Items with the most statements Items with the fewest statements Count of items by number of sitelinks (chart) Items with the most sitelinks Items with the most sitelinks, but no link to one Wikipedia (sample: Welsh Wikipedia, cywiki) Items with the fewest sitelinks Most linked wikis Items with the most identifier properties Items with no other external identifier Items with no other statements Most recently created items Items with novalue claims Items with unknown value claims Usage history (total) Usage history (main statement) Chart by item creation date Map of people by place values: place of birth educated at work location residence place of death place of burial January 1st dates People with date of birth on January 1 People with date of death on January 1 People with both dates on January 1 Database reports/Constraint violations/P9450 Map Random list
Proposal discussion	Proposal discussion
Current uses	Total 134 Main statement 93 69.4% of uses Qualifier 5 3.7% of uses Reference 36 26.9% of uses
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Single value: this property generally contains a single value. (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303). Known exceptions: Seattle Children's (Q7442069)
List of violations of this constraint: Database reports/Constraint violations/P9450#Single value, SPARQL

Distinct values: this property likely contains a value that is different from all other items. (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P9450#Unique value, SPARQL (every item), SPARQL (by value)

Format “\d{10}”: value must be formatted using this pattern (PCRE syntax). (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P9450#Format, SPARQL

Allowed entity types are Wikibase item (Q29934200): the property may only be used on a certain entity type (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P9450#Entity types

Scope is as main value (Q54828448), as reference (Q54828450): the property must be used by specified way only (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P9450#Scope, SPARQL

Type “human (Q5), organization (Q43229), healthcare provider (Q23905463)”: item must contain property “instance of (P31), subclass of (P279)” with classes “human (Q5), organization (Q43229), healthcare provider (Q23905463)” or their subclasses (defined using subclass of (P279)). (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P9450#Type Q5, Q43229, Q23905463, SPARQL