The provider (person or organization) who has primary responsibility for the encounter. The responsible provider is not necessarily present in an encounter, but is accountable for the action through the power to delegate, and the duty to review actions with the performing participant.

When the responsible party is an organization, the responsible party is reflected by the presence of a scoping Organization, without a playing entity.

The location where the service is done. May be a static building (or room therein) or a moving location (e.g., ambulance, helicopter, aircraft, train, truck, ship, etc.)

The setting of an encounter (e.g. cardiology clinic, primary care clinic, rehabilitation hospital, skilled nursing facility) can be expressed in HealthCareFacility.code. Note that setting and physical location are not the same.