haau3 FHIR Implementation Guide (HFIG) - Local Development build (v1.0.0) built by the FHIR (HL7® FHIR® Standard) Build Tools. See the Directory of published versions

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: CMS Medicare Advantage plan ID - JSON Representation

Active as of 2026-10-11

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{
  "resourceType" : "NamingSystem",
  "id" : "cms-ma-plan-id",
  "text" : {
    "status" : "generated",
    "div" : "<div xmlns=\"http://www.w3.org/1999/xhtml\"><p class=\"res-header-id\"><b>Generated Narrative: NamingSystem cms-ma-plan-id</b></p><a name=\"cms-ma-plan-id\"> </a><a name=\"hccms-ma-plan-id\"> </a><h3>Summary</h3><table class=\"grid\"><tr><td>Defining URL</td><td>https://haau3.com/fhir/NamingSystem/cms-ma-plan-id</td></tr><tr><td>Version</td><td>1.0.0</td></tr><tr><td>Name</td><td>CMSMAPlanId</td></tr><tr><td>Status</td><td>active</td></tr><tr><td>Definition</td><td><div><p>CMS's identifier for a Medicare Advantage plan: the contract number, the plan ID and the segment ID joined with hyphens, with 000 for a plan that is not segmented (H2406-013-000). CMS defines this system in its technical implementation guide for Medicare Advantage provider directory data and confirmed the format in its office hours Q&amp;A of 2026-09-16. CMS publishes no NamingSystem resource for it, so haau3 publishes this one, which only describes CMS's system, so that a validator can resolve it. It gives way to one CMS or HL7 publishes.</p>\n</div></td></tr><tr><td>Publisher</td><td>haau3</td></tr></table><h3>Identifiers</h3><table class=\"grid\"><tr><td><b>Type</b></td><td><b>Value</b></td><td><b>Preferred</b></td></tr><tr><td>URI</td><td>http://cms.gov/medicare/ma-plan-id</td><td>true</td></tr></table></div>"
  },
  "extension" : [
    {
      "url" : "http://hl7.org/fhir/5.0/StructureDefinition/extension-NamingSystem.url",
      "valueUri" : "https://haau3.com/fhir/NamingSystem/cms-ma-plan-id"
    },
    {
      "url" : "http://hl7.org/fhir/5.0/StructureDefinition/extension-NamingSystem.version",
      "valueString" : "1.0.0"
    }
  ],
  "name" : "CMSMAPlanId",
  "status" : "active",
  "kind" : "identifier",
  "date" : "2026-10-11",
  "publisher" : "haau3",
  "contact" : [
    {
      "name" : "haau3",
      "telecom" : [
        {
          "system" : "url",
          "value" : "https://haau3.com"
        },
        {
          "system" : "email",
          "value" : "hello@haau3.com"
        }
      ]
    }
  ],
  "responsible" : "Centers for Medicare & Medicaid Services",
  "description" : "CMS's identifier for a Medicare Advantage plan: the contract number, the plan ID and the segment ID joined with hyphens, with 000 for a plan that is not segmented (H2406-013-000). CMS defines this system in its technical implementation guide for Medicare Advantage provider directory data and confirmed the format in its office hours Q&A of 2026-09-16. CMS publishes no NamingSystem resource for it, so haau3 publishes this one, which only describes CMS's system, so that a validator can resolve it. It gives way to one CMS or HL7 publishes.",
  "jurisdiction" : [
    {
      "coding" : [
        {
          "system" : "urn:iso:std:iso:3166",
          "code" : "US",
          "display" : "United States of America"
        }
      ]
    }
  ],
  "usage" : "Defined by CMS: https://www.cms.gov/files/document/mpf-ma-provider-directory-technical-guide-11072025-final-draft-pdf.pdf and https://www.cms.gov/files/document/mpf-provider-directory-implementation-office-hours-qa-09162026-final-pdf.pdf",
  "uniqueId" : [
    {
      "type" : "uri",
      "value" : "http://cms.gov/medicare/ma-plan-id",
      "preferred" : true
    }
  ]
}