# Special Needs Plans by plan and month, Plan ID at three digits

`medicare_semantic.vw_snp_data_v2` · Medicare Advantage, Part D, Medicaid · status live · 194,930 rows

CMS's monthly SNP Comprehensive Report: every SNP plan since 2007-05 with SNP type (D-SNP, C-SNP, I-SNP), specialty diseases, enrollment and states, every row of medicare_silver.snp_data with plan_id at CMS's three-digit width (2022-01, 2022-09 and 2022-10 were stored unpadded); plan_id_legacy keeps the stored value.

**Grain.** One row per (contract_id, plan_id, segment_id, report_month); CMS repeats R1548-001 in 2022-07..2022-12.

| column | type | meaning |
|---|---|---|
| contract_id | string |  |
| plan_id | string |  |
| segment_id | string |  |
| report_month | date |  |
| contract_name_raw | string |  |
| organization_type | string |  |
| plan_name_raw | string |  |
| plan_type | string |  |
| plan_geographic_name | string |  |
| state_list_raw | string |  |
| plan_enrollment | int |  |
| snp_type | string |  |
| specialty_diseases | string |  |
| plan_id_legacy | string |  |
| plan_id_padded_by_view | 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 |  |

Query it: `query_substrate` with `SELECT ... FROM medicare_semantic.vw_snp_data_v2 WHERE ... LIMIT 100`; read `describe_data_source("medicare_semantic.vw_snp_data_v2")` first.