eHealth Infrastructure, published by Den telemedicinske infrastruktur (eHealth Infrastructure). This guide is not an authorized publication; it is the continuous build for version 5.0.1 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/fut-infrastructure/implementation-guide/ and changes regularly. See the Directory of published versions

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NamingSystem: Ydernummer

Official URL: http://ehealth.sundhed.dk/fhir/NamingSystem/ydernummer				Version: 5.0.1
Active as of 1990-01-01				Computable Name: Ydernummer

The Danish Health Authority and Danish Regions can identify doctors' names etc. via the provider number ("ydernummer"). The different groups of doctors (general practitioners, ear specialists, eye specialists, etc.) have their own provider number range. Multiple doctors in the same practice will often have the same provider number. Only doctors without a provider number use the special out-of-hours doctor numbers.Provider numbers can change over time. A provider number may be assigned to a doctor who quits or retires, after which the provider number becomes available and can later be assigned to another doctor.