National Directory of Healthcare Providers & Services (NDH) Implementation Guide, published by HL7 International / Patient Administration. This guide is not an authorized publication; it is the continuous build for version 2.0.0-current built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/HL7/fhir-us-ndh/ and changes regularly. See the Directory of published versions
| Page standards status: Trial-use | Maturity Level: 4 |
JSON representation of the base-ext-cms-identity-verified extension.
{
"resourceType" : "StructureDefinition",
"id" : "base-ext-cms-identity-verified",
"language" : "en",
"text" : {
"status" : "extensions",
"div" : "<div xmlns=\"http://www.w3.org/1999/xhtml\"><p class=\"res-header-id\"><b>Generated Narrative: StructureDefinition base-ext-cms-identity-verified</b></p><a name=\"base-ext-cms-identity-verified\"> </a><a name=\"hcbase-ext-cms-identity-verified\"> </a><table border=\"0\" cellpadding=\"0\" cellspacing=\"0\" class=\"xhtTableBorder0\"><tr class=\"xhtRowBorder1\"><th scope=\"col\" style=\"\" class=\"hierarchy xhtCellBorder0\"><a href=\"https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views\" title=\"The logical name of the element\">Name</a></th><th scope=\"col\" style=\"\" class=\"hierarchy xhtCellBorder0\"><a href=\"https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views\" title=\"Information about the use of the element\">Flags</a></th><th scope=\"col\" style=\"\" class=\"hierarchy xhtCellBorder0\"><a href=\"https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views\" title=\"Minimum and Maximum # of times the element can appear in the instance\">Card.</a></th><th scope=\"col\" style=\"; width: 100px\" class=\"hierarchy xhtCellBorder0\"><a href=\"https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views\" title=\"Reference to the type of the element\">Type</a></th><th scope=\"col\" style=\"\" class=\"hierarchy xhtCellBorder0\"><a href=\"https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views\" title=\"Additional information about the element\">Description & Constraints</a><span style=\"float: right\"><a href=\"https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views\" title=\"Legend for this format\"><img src=\"data:image/png;base64,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\" alt=\"doco\" style=\"background-color: inherit\"/></a></span></th></tr><tr class=\"xhtRowBorder0 xhtRowEven\"><td style=\"background-image: url(tbl_bck1.png)\" class=\"hierarchy xhtCellBorder0 xhtCellNoWrap\"><img src=\"tbl_spacer.png\" alt=\"\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_element.gif\" alt=\"\" style=\"background-color: white; background-color: inherit\" title=\"Element\" class=\"hierarchy\"/> <a href=\"StructureDefinition-base-ext-cms-identity-verified-definitions.html#Extension\" title=\"Indicates whether an individual or organization's identity has been verified by CMS using established identity proofing and authentication processes. Identity verification generally confirms that the entity is who they claim to be, based on CMS-approved data sources.\">Extension</a><a name=\"Extension\"> </a></td><td style=\"\" class=\"hierarchy xhtCellBorder0\"/><td style=\"\" class=\"hierarchy xhtCellBorder0\"><span class=\"xhtPieceDeEmphasized\">0</span><span class=\"xhtPieceDeEmphasized\">..</span><span class=\"xhtPieceDeEmphasized\">*</span></td><td style=\"\" class=\"hierarchy xhtCellBorder0\"><a href=\"http://hl7.org/fhir/R4/extensibility.html#Extension\">Extension</a></td><td style=\"\" class=\"hierarchy xhtCellBorder0\">NDH CMS Identity Verified</td></tr>\r\n<tr class=\"xhtRowBorder0 xhtRowOdd\"><td style=\"background-image: url(tbl_bck10.png)\" class=\"hierarchy xhtCellBorder0 xhtCellNoWrap\"><img src=\"tbl_spacer.png\" alt=\"\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin.png\" alt=\"\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_extension_simple.png\" alt=\"\" style=\"background-color: #F7F7F7; background-color: inherit\" title=\"Simple Extension\" class=\"hierarchy\"/> <span style=\"position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0\" class=\"sr-only\">Extension.</span><a href=\"StructureDefinition-base-ext-cms-identity-verified-definitions.html#Extension.extension\" class=\"xhtPieceStrikeout\">extension</a><a name=\"Extension.extension\"> </a></td><td style=\"\" class=\"hierarchy xhtCellBorder0\"/><td style=\"\" class=\"hierarchy xhtCellBorder0\"><span class=\"xhtPieceStrikeout\"/><span class=\"xhtPieceStrikeout xhtPieceDeEmphasized\">0</span><span class=\"xhtPieceStrikeout\">..</span><span class=\"xhtPieceStrikeout\">0</span></td><td style=\"\" class=\"hierarchy xhtCellBorder0\"/><td style=\"\" class=\"hierarchy xhtCellBorder0\"><span class=\"xhtPieceItalic xhtPieceDeEmphasized\">Extension</span></td></tr>\r\n<tr class=\"xhtRowBorder0 xhtRowEven\"><td style=\"background-image: url(tbl_bck10.png)\" class=\"hierarchy xhtCellBorder0 xhtCellNoWrap\"><img src=\"tbl_spacer.png\" alt=\"\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin.png\" alt=\"\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_element.gif\" alt=\"\" style=\"background-color: white; background-color: inherit\" title=\"Element\" class=\"hierarchy\"/> <span style=\"position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0\" class=\"sr-only\">Extension.</span><a href=\"StructureDefinition-base-ext-cms-identity-verified-definitions.html#Extension.url\">url</a><a name=\"Extension.url\"> </a></td><td style=\"\" class=\"hierarchy xhtCellBorder0\"/><td style=\"\" class=\"hierarchy xhtCellBorder0\"><span class=\"xhtPieceDeEmphasized\">1</span><span class=\"xhtPieceDeEmphasized\">..</span><span class=\"xhtPieceDeEmphasized\">1</span></td><td style=\"\" class=\"hierarchy xhtCellBorder0\"><a href=\"http://hl7.org/fhir/R4/datatypes.html#uri\" class=\"xhtPieceDeEmphasized\">uri</a></td><td style=\"\" class=\"hierarchy xhtCellBorder0\"><span class=\"xhtPieceDarkGreen\">"http://hl7.org/fhir/us/ndh/StructureDefinition/base-ext-cms-identity-verified"</span></td></tr>\r\n<tr class=\"xhtRowBorder0 xhtRowOdd\"><td style=\"background-image: url(tbl_bck00.png)\" class=\"hierarchy xhtCellBorder0 xhtCellNoWrap\"><img src=\"tbl_spacer.png\" alt=\"\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin_end.png\" alt=\"\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_primitive.png\" alt=\"\" style=\"background-color: #F7F7F7; background-color: inherit\" title=\"Primitive Data Type\" class=\"hierarchy\"/> <span style=\"position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0\" class=\"sr-only\">Extension.</span><a href=\"StructureDefinition-base-ext-cms-identity-verified-definitions.html#Extension.value[x]\">value[x]</a><a name=\"Extension.value_x_\"> </a></td><td style=\"\" class=\"hierarchy xhtCellBorder0\"/><td style=\"\" class=\"hierarchy xhtCellBorder0\">1..<span class=\"xhtPieceDeEmphasized\">1</span></td><td style=\"\" class=\"hierarchy xhtCellBorder0\"><a href=\"http://hl7.org/fhir/R4/datatypes.html#boolean\">boolean</a></td><td style=\"\" class=\"hierarchy xhtCellBorder0\"><span class=\"xhtPieceDeEmphasized\">Value of extension</span></td></tr>\r\n<tr><td colspan=\"5\" class=\"hierarchy\"><br/><a href=\"https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views\" title=\"Legend for this format\"><img src=\"data:image/png;base64,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\" alt=\"doco\" style=\"background-color: inherit\"/> Documentation for this format</a></td></tr></table></div>"
},
"extension" : [
{
"url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg",
"valueCode" : "pa"
},
{
"url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm",
"valueInteger" : 4,
"_valueInteger" : {
"extension" : [
{
"url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-conformance-derivedFrom",
"valueCanonical" : "http://hl7.org/fhir/us/ndh/ImplementationGuide/hl7.fhir.us.ndh"
}
]
}
},
{
"url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
"valueCode" : "trial-use",
"_valueCode" : {
"extension" : [
{
"url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-conformance-derivedFrom",
"valueCanonical" : "http://hl7.org/fhir/us/ndh/ImplementationGuide/hl7.fhir.us.ndh"
}
]
}
}
],
"url" : "http://hl7.org/fhir/us/ndh/StructureDefinition/base-ext-cms-identity-verified",
"identifier" : [
{
"system" : "urn:ietf:rfc:3986",
"value" : "urn:oid:2.16.840.1.113883.4.642.40.43.42.52"
}
],
"version" : "2.0.0-current",
"name" : "CmsIdentityVerified",
"title" : "NDH CMS Identity Verified",
"status" : "active",
"date" : "2026-10-19T14:48:14+00:00",
"publisher" : "HL7 International / Patient Administration",
"contact" : [
{
"name" : "HL7 International / Patient Administration",
"telecom" : [
{
"system" : "url",
"value" : "http://www.hl7.org/Special/committees/pafm"
},
{
"system" : "email",
"value" : "pafm@lists.hl7.org"
}
]
}
],
"description" : "Indicates whether an individual or organization's identity has been verified by CMS using established identity proofing and authentication processes. Identity verification generally confirms that the entity is who they claim to be, based on CMS-approved data sources.",
"jurisdiction" : [
{
"coding" : [
{
"system" : "urn:iso:std:iso:3166",
"code" : "US",
"display" : "United States of America"
}
]
}
],
"fhirVersion" : "4.0.1",
"kind" : "complex-type",
"abstract" : false,
"context" : [
{
"type" : "element",
"expression" : "Practitioner"
},
{
"type" : "element",
"expression" : "Organization"
}
],
"type" : "Extension",
"baseDefinition" : "http://hl7.org/fhir/StructureDefinition/Extension",
"derivation" : "constraint",
"snapshot" : {
"extension" : [
{
"url" : "http://hl7.org/fhir/tools/StructureDefinition/snapshot-base-version",
"valueString" : "4.0.1"
}
],
"element" : [
{
"id" : "Extension",
"path" : "Extension",
"short" : "NDH CMS Identity Verified",
"definition" : "Indicates whether an individual or organization's identity has been verified by CMS using established identity proofing and authentication processes. Identity verification generally confirms that the entity is who they claim to be, based on CMS-approved data sources.",
"min" : 0,
"max" : "*",
"base" : {
"path" : "Extension",
"min" : 0,
"max" : "*"
},
"condition" : [
"ele-1"
],
"constraint" : [
{
"key" : "ele-1",
"severity" : "error",
"human" : "All FHIR elements must have a @value or children",
"expression" : "hasValue() or (children().count() > id.count())",
"xpath" : "@value|f:*|h:div",
"source" : "http://hl7.org/fhir/StructureDefinition/Element"
},
{
"key" : "ext-1",
"severity" : "error",
"human" : "Must have either extensions or value[x], not both",
"expression" : "extension.exists() != value.exists()",
"xpath" : "exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])",
"source" : "http://hl7.org/fhir/StructureDefinition/Extension"
}
],
"isModifier" : false
},
{
"id" : "Extension.id",
"path" : "Extension.id",
"representation" : [
"xmlAttr"
],
"short" : "Unique id for inter-element referencing",
"definition" : "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
"min" : 0,
"max" : "1",
"base" : {
"path" : "Element.id",
"min" : 0,
"max" : "1"
},
"type" : [
{
"extension" : [
{
"url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
"valueUrl" : "string"
}
],
"code" : "http://hl7.org/fhirpath/System.String"
}
],
"isModifier" : false,
"isSummary" : false,
"mapping" : [
{
"identity" : "rim",
"map" : "n/a"
}
]
},
{
"id" : "Extension.extension",
"path" : "Extension.extension",
"slicing" : {
"discriminator" : [
{
"type" : "value",
"path" : "url"
}
],
"description" : "Extensions are always sliced by (at least) url",
"rules" : "open"
},
"short" : "Extension",
"definition" : "An Extension",
"min" : 0,
"max" : "0",
"base" : {
"path" : "Element.extension",
"min" : 0,
"max" : "*"
},
"type" : [
{
"code" : "Extension"
}
],
"constraint" : [
{
"key" : "ele-1",
"severity" : "error",
"human" : "All FHIR elements must have a @value or children",
"expression" : "hasValue() or (children().count() > id.count())",
"xpath" : "@value|f:*|h:div",
"source" : "http://hl7.org/fhir/StructureDefinition/Element"
},
{
"key" : "ext-1",
"severity" : "error",
"human" : "Must have either extensions or value[x], not both",
"expression" : "extension.exists() != value.exists()",
"xpath" : "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
"source" : "http://hl7.org/fhir/StructureDefinition/Extension"
}
],
"isModifier" : false,
"isSummary" : false
},
{
"id" : "Extension.url",
"path" : "Extension.url",
"representation" : [
"xmlAttr"
],
"short" : "identifies the meaning of the extension",
"definition" : "Source of the definition for the extension code - a logical name or a URL.",
"comment" : "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.",
"min" : 1,
"max" : "1",
"base" : {
"path" : "Extension.url",
"min" : 1,
"max" : "1"
},
"type" : [
{
"extension" : [
{
"url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
"valueUrl" : "uri"
}
],
"code" : "http://hl7.org/fhirpath/System.String"
}
],
"fixedUri" : "http://hl7.org/fhir/us/ndh/StructureDefinition/base-ext-cms-identity-verified",
"isModifier" : false,
"isSummary" : false,
"mapping" : [
{
"identity" : "rim",
"map" : "N/A"
}
]
},
{
"id" : "Extension.value[x]",
"path" : "Extension.value[x]",
"short" : "Value of extension",
"definition" : "Value of extension - must be one of a constrained set of the data types (see [Extensibility](http://hl7.org/fhir/R4/extensibility.html) for a list).",
"min" : 1,
"max" : "1",
"base" : {
"path" : "Extension.value[x]",
"min" : 0,
"max" : "1"
},
"type" : [
{
"code" : "boolean"
}
],
"constraint" : [
{
"key" : "ele-1",
"severity" : "error",
"human" : "All FHIR elements must have a @value or children",
"expression" : "hasValue() or (children().count() > id.count())",
"xpath" : "@value|f:*|h:div",
"source" : "http://hl7.org/fhir/StructureDefinition/Element"
}
],
"isModifier" : false,
"isSummary" : false,
"mapping" : [
{
"identity" : "rim",
"map" : "N/A"
}
]
}
]
},
"differential" : {
"element" : [
{
"id" : "Extension",
"path" : "Extension",
"short" : "NDH CMS Identity Verified",
"definition" : "Indicates whether an individual or organization's identity has been verified by CMS using established identity proofing and authentication processes. Identity verification generally confirms that the entity is who they claim to be, based on CMS-approved data sources."
},
{
"id" : "Extension.extension",
"path" : "Extension.extension",
"max" : "0"
},
{
"id" : "Extension.url",
"path" : "Extension.url",
"fixedUri" : "http://hl7.org/fhir/us/ndh/StructureDefinition/base-ext-cms-identity-verified"
},
{
"id" : "Extension.value[x]",
"path" : "Extension.value[x]",
"min" : 1,
"type" : [
{
"code" : "boolean"
}
]
}
]
}
}