Legal entity

Blue Cross Blue Shield of Michigan Mutual Ins. Co.

le:001021·legal entity·top of its tree

Holds directly

Through subsidiaries

Subsidiaries

Held directly, ever

Medicare contracts

Marketplace issuers

Identifiers

Namespace	Value	Valid
`cms_org_name`	BCBS OF MICHIGAN MUTUAL INSURANCE COMPANY	2014-04-01 to today
`cms_org_name`	BLUE CROSS BLUE SHIELD OF MICHIGAN	2006-08-01 to 2014-03-31
`cms_org_name`	Blue Cross Blue Shield of Michigan	2006-08-01 to 2016-03-31
`cms_org_name`	Blue Cross Blue Shield of Michigan Mutual Ins. Co.	2019-08-01 to today
`cms_org_name`	Blue Cross Blue Shield of Michigan Mutual Insuranc	2016-04-01 to 2019-07-31
`ein`	382069753	2013-01-01 to today
`naic`	54291	2013-01-01 to today

Owns or controls (8)

Company	Relation	When	Grade
BLUE CARE NETWORK OF MICHIGAN	controlled by	at least since 2006-08-01, still true	B
Blue Cross and Blue Shield of Vermont	controlled by	start 2023-10-11, still true	B
NEXTBLUE OF NORTH DAKOTA INSURANCE COMPANY	controlled by	at least since 2021-01-01, still true	B
The Vermont Health Plan, LLC	controlled by	at least since 2013-01-01, no end found (last seen 2022-12-31)	B
The Vermont Health Plan, LLC	controlled by	at least since 2023-01-01, still true	B
VERMONT BLUE ADVANTAGE, INC.	controlled by	at least since 2021-01-01, still true	B
WELLMARK ADVANTAGE HEALTH PLAN, INC.	controlled by	at least since 2022-01-01, still true	B
WYOBLUE ADVANTAGE INC	controlled by	at least since 2026-01-01, still true	B

Holds (3)

Instrument	Kind	Since	Grade
H9572 contract:H9572	Medicare contract	start 2010-01-01	A
S5584 contract:S5584	Medicare contract	start 2006-08-01	A
Blue Cross Blue Shield of Michigan Mutual Insurance Company hios:15560	Marketplace issuer	start 2013-01-01	A

Ask about it

resolve_entity(text="Blue Cross Blue Shield of Michigan Mutual Ins. Co.")
describe_entity(entity_id="le:001021", on="2026-10-01")          # owners on a date, holdings, events
describe_entity(entity_id="le:001021", 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_001021.md · every page in one file: /llms-full.txt