Legal entity
Sierra Health Services, Inc
Holds directly
0
Through subsidiaries
0
Subsidiaries
2
Held directly, ever
0
Identifiers
| Namespace | Value | Valid |
|---|---|---|
cms_org_name | Sierra Health Services, Inc | 2006-08-01 to 2008-08-31 |
Owned or controlled by
| Owner | Relation | When | Basis | Grade |
|---|---|---|---|---|
| UnitedHealth Group, Inc. | controlled by | start 2008-02-25, still true | majority_equity | A |
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.
Owns or controls (2)
| Company | Relation | When | Grade |
|---|---|---|---|
| HEALTH PLAN OF NEVADA, INC. | controlled by | at least since 2006-08-01, to 2008-02-24 | B |
| SIERRA HEALTH AND LIFE INSURANCE COMPANY, INC. | controlled by | at least since 2006-08-01, to 2008-02-24 | B |
Ask about it
resolve_entity(text="Sierra Health Services, Inc") describe_entity(entity_id="le:000524", on="2026-10-01") # owners on a date, holdings, events describe_entity(entity_id="le:000524", 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_000524.md · every page in one file: /llms-full.txt