Medicare Advantage, Part D, Medicaid

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

medicare_semantic.vw_snp_data_v2·live·semantic_view

Rows

194,930

Columns

History

N/A

Card

nocolumns only

Typed tools

What it is

1CMS'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

Key	Grain
N/A	1One row per (contract_id, plan_id, segment_id, report_month); 2CMS repeats R1548-001 in 2022-07..2022-12.

Columns (24)

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

describe_data_source(source_fqn="medicare_semantic.vw_snp_data_v2")     # the card, live
query_substrate(sql="SELECT * FROM medicare_semantic.vw_snp_data_v2 WHERE <filter> LIMIT 100")

Item	Value
Typed tools that read it	none; raw SQL
Identity key	`contract_id,plan_id,segment_id`
Join	`how_to_join(source_fqn="medicare_semantic.vw_snp_data_v2")`
Raw door	Tool: get_enrollment (SNP type); Athena: medicare_semantic.vw_snp_data_v2
Note	Versioned view (Data Tracker small-served-fixes lane, 2026-10-01, defect SNPDATA-1, the same defect as the field dictionary's SNPD-2); the parser pads from its next load (snp_data_parser/v2). Record docs/reference/source-audit/source-mastery/records/medicare_snp_data.json (served_corrections).

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