# CMS Federal IDR prevailing offers by specialty

`medicare_silver.fact_idr_supplemental_specialty` · Insurer negotiated rates · status live · 321 rows

Median prevailing offer as percentage of QPA and determination/item counts by CMS-published specialty/CPT band.

**Grain.** One row per (year, quarter, CPT range, specialty) from Supplemental Table 14.

| column | type | meaning |
|---|---|---|
| year | int |  |
| quarter | int |  |
| row_seq | bigint |  |
| table_number | int |  |
| table_title | string |  |
| source_sheet | string |  |
| source_row_number | int |  |
| cpt_range | string |  |
| specialty | string |  |
| median_prevailing_offer_pct_qpa | double |  |
| median_prevailing_offer_pct_qpa_source_value | string |  |
| median_prevailing_offer_pct_qpa_status | string |  |
| payment_determinations | double |  |
| items_or_services | 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_specialty WHERE ... LIMIT 100`; read `describe_data_source("medicare_silver.fact_idr_supplemental_specialty")` first.