Legal entity

BCBS MN, MT, NE, ND, WY, Wellmark IA and SD

le:001575·legal entity·top of its tree

Holds directly

Through subsidiaries

Subsidiaries

Held directly, ever

Medicare contracts

Identifiers

Namespace	Value	Valid
`cms_org_name`	BCBS MN, MT, NE, ND, WY, WELLMARK IA AND SD	2009-09-01 to 2012-04-30
`cms_org_name`	BCBS MN, MT, NE, ND, WY, Wellmark IA and SD	2008-12-01 to today

Owns or controls (1)

Company	Relation	When	Grade
WELLMARK IA & SD, & BCBS MN, MT, NE, ND,& WY	controlled by	at least since 2012-05-01, still true	B

Ask about it

resolve_entity(text="BCBS MN, MT, NE, ND, WY, Wellmark IA and SD")
describe_entity(entity_id="le:001575", on="2026-10-01")          # owners on a date, holdings, events
describe_entity(entity_id="le:001575", scope="group")            # everything under its top parent

Datasets that carry this company's name as a string (enrollment by parent, Stars by contract, MLR filings) join through these IDs; how_to_join names the key.

This page as markdown: /docs-md/companies/le_001575.md · every page in one file: /llms-full.txt