Legal entity

GROUP HEALTH COOPERATIVE OF EAU CLAIRE

le:001123·legal entity·owned by Corewell Health

Holds directly

Through subsidiaries

Subsidiaries

Held directly, ever

Medicare contracts

Marketplace issuers

Identifiers

Namespace	Value	Valid
`cms_org_name`	GROUP HEALTH COOPERATIVE OF EAU CLAIRE	2007-01-01 to 2008-12-31
`cms_org_name`	GROUP HEALTH COOPERATIVE OF EAU CLAIRE	2021-01-01 to today
`cms_org_name`	Group Health Cooperative of Eau Claire	2021-01-01 to today
`ein`	396252984	2013-01-01 to today
`naic`	95192	2013-01-01 to today

Owned or controlled by

Owner	Relation	When	Basis	Grade
Corewell Health	controlled by	start 2026-01-01, still true	reported_via_parent	B

Grade A: published by the authority that creates the fact, or two independent sources agree. B: one official source. C: entity-supplied or press. Candidate and refuted facts are never served.

Holds (2)

Instrument	Kind	Since	Grade
H7598 contract:H7598	Medicare contract	start 2021-01-01	A
Group Health Cooperative of Eau Claire hios:16245	Marketplace issuer	start 2013-01-01	A

Ask about it

resolve_entity(text="GROUP HEALTH COOPERATIVE OF EAU CLAIRE")
describe_entity(entity_id="le:001123", on="2026-10-01")          # owners on a date, holdings, events
describe_entity(entity_id="le:001123", 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_001123.md · every page in one file: /llms-full.txt