onBehalfOf"The organization of the practitioner." - HL7 FHIR, CareTeam.participant.onBehalfOf
participantIdentifies the Person or Organization who is Participating as a Care Team Member. This property is a pointer to the generic Participation rather than a PractitionerParticipation because the Care Team Member might be the Patient him/herself or a member of the Patient’s family, whereas elsewhere in the FHIM, most Participation classes assume the Participating Entity is a Provider."The specific person or organization who is participating/expected to participate in the care team." - HL7 FHIR, CareTeam.participant.member
period"Indicates when the specific member or organization did (or is intended to) come into effect and end." - HL7 FHIR, CareTeam.participant.period
role"The role on the care team. Includes non-physician providers such as physical therapist, LCSW, nutritionist, who might be part of care team." - ONC S&I Clinical Element Data Dictionary (CEDD), March 2012. Note that this property is used distinguish between the roles a person might be playing, rather than the degree or specialty that they have. So, despite the implication in the CEDD defintion above, this property might contain Primary Care Physician or Designated Provider, but specialty information like LCSW or Physical Therapist would be in the provider's specialty instance."Indicates specific responsibility of an individual within the care team, such as "Primary care physician", "Trained social worker counselor", "Caregiver", etc." - HL7 FHIR, CareTeam.participant.role