Defines an affiliation/assotiation/relationship between 2 distinct oganizations, that is not a part-of relationship/sub-division relationship.

OrganizationAffiliation
identifier
Business identifiers that are specific to this role
active
Whether this organization affiliation record is in active use
period
The period during which the participatingOrganization is affiliated with the primary organization
organization
Organization where the role is available
participatingOrganization
Organization that provides/performs the role (e.g. providing services or is a member of)
network
Health insurance provider network in which the participatingOrganization provides the role's services (if defined) at the indicated locations (if defined)
code
Definition of the role the participatingOrganization plays
specialty
Specific specialty of the participatingOrganization in the context of the role
location
The location(s) at which the role occurs
healthcareService
Healthcare services provided through the role
telecom
Contact details at the participatingOrganization relevant to this Affiliation
endpoint
Technical endpoints providing access to services operated for this role