# CMS Federal IDR Supplemental top disputing parties

`medicare_silver.fact_idr_supplemental_party` · Insurer negotiated rates · status live · 480 rows

Top initiating and non-initiating parties or representatives for emergency/non-emergency and air ambulance disputes, including dispute share and health-plan-type subtotals where published.

**Grain.** One row per quarterly top-10 party/rank/service-category/party-role in Supplemental Tables 8-11.

| column | type | meaning |
|---|---|---|
| year | int |  |
| quarter | int |  |
| row_seq | bigint |  |
| table_number | int |  |
| table_title | string |  |
| source_sheet | string |  |
| source_row_number | int |  |
| party_role | string |  |
| service_category | string |  |
| rank | int |  |
| party_or_representative | string |  |
| total_disputes | double |  |
| total_disputes_status | string |  |
| percent_of_disputes | double |  |
| percent_of_disputes_source_value | string |  |
| percent_of_disputes_status | string |  |
| self_insured_group_health_plan_disputes | double |  |
| fully_insured_group_health_plan_disputes | double |  |
| individual_health_insurance_disputes | double |  |
| fehb_carrier_disputes | double |  |
| non_federal_government_plan_disputes | double |  |
| church_plan_disputes | double |  |
| no_issuer_response_disputes | double |  |
| quality_flags | string |  |
| is_analytics_eligible | boolean |  |
| observed_period | date |  |
| asserted_at | date |  |
| effective_period_start | date |  |
| effective_period_end | date |  |
| cms_vintage_sequence | int |  |
| parse_revision | int |  |
| parser_artifact_hash | string |  |
| source_url | string |  |
| sha256_content_hash | string |  |
| source_id | string |  |
| is_current | boolean |  |
| bronze_object_key | string |  |
| s3_version_id | string |  |
| vintage_tag | string |  |
| drug_source_version_id | string |  |

Query it: `query_substrate` with `SELECT ... FROM medicare_silver.fact_idr_supplemental_party WHERE ... LIMIT 100`; read `describe_data_source("medicare_silver.fact_idr_supplemental_party")` first.