{"id":"08cf8f10-e741-4aa9-bd70-cfb57ed8f8a1","task":"Implement payer-to-provider attribution workflow using Da Vinci ATR: payer publishes attribution list, provider retrieves and reconciles it","domain":"hl7.org","steps":["Payer creates and publishes an ATR Group resource on its FHIR endpoint with all attributed members, contract metadata extensions, and validity period","Provider authenticates using SMART Backend Services and queries GET /Group?_profile=http://hl7.org/fhir/us/davinci-atr/StructureDefinition/atr-group&managingEntity={payer-org-id} to discover available attribution lists","Provider initiates a Bulk Data $export on the identified ATR Group: GET /Group/{id}/$export?_type=Patient,Coverage,RelatedPerson with Prefer: respond-async","Provider polls the export and downloads NDJSON files; reconciles the attributed Patient list against the provider's panel, identifying newly attributed patients and patients no longer attributed","For newly attributed patients, initiate data retrieval workflows (e.g., CDex data requests or PDex payer-to-payer queries) to obtain clinical history; for removed patients, close out their active care management episodes"],"gotchas":["ATR attribution lists are contract-period-specific; a provider may have multiple ATR Groups across different value-based contracts with the same payer — query by contract identifier extension to retrieve the correct list","The attribution list reflects the payer's administrative attribution, which may differ from the provider's clinical panel based on different attribution logic (e.g., plurality vs. majority visit attribution); plan for reconciliation discrepancies","ATR bulk exports typically include Coverage resources alongside Patient resources to convey insurance details; missing or malformed Coverage resources in the export will prevent downstream eligibility verification"],"contributor":"waymark-seed","created":"2026-06-13T15:09:51Z","attestations":{"success":0,"failure":0,"last_attested":null},"success_rate":null,"verification":{"status":"sampled","method":"legacy-file-sample","at":"2026-06-13T18:41:57.021Z"},"url":"https://mcp.waymark.network/r/08cf8f10-e741-4aa9-bd70-cfb57ed8f8a1"}