Legal entity
MASS GENERAL BRIGHAM HEALTH PLAN, INC
Holds directly
6
Through subsidiaries
0
Subsidiaries
0
Held directly, ever
6
Medicare contracts
5
Marketplace issuers
1
Identifiers
| Namespace | Value | Valid |
|---|---|---|
cms_org_name | MASS GENERAL BRIGHAM HEALTH PLAN, INC | 2026-01-01 to today |
cms_org_name | Mass General Brigham Health Plan, Inc. | 2023-01-01 to today |
ein | 042932021 | 2022-01-01 to today |
naic | 11109 | 2022-01-01 to today |
Owned or controlled by
| Owner | Relation | When | Basis | Grade |
|---|---|---|---|---|
| Mass General Brigham Incorporated | controlled by | at least since 2023-01-01, still true | reported_ultimate_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 (6)
| Instrument | Kind | Since | Grade |
|---|---|---|---|
| H0777 contract:H0777 | Medicare contract | start 2026-01-01 | A |
| H1611 contract:H1611 | Medicare contract | start 2026-01-01 | A |
| H6847 contract:H6847 | Medicare contract | start 2023-01-01 | A |
| H9485 contract:H9485 | Medicare contract | start 2023-01-01 | A |
| S6939 contract:S6939 | Medicare contract | start 2026-01-01 | A |
| Neighborhood Health Plan, Inc. hios:41304 | Marketplace issuer | start 2022-01-01 | A |
Ask about it
resolve_entity(text="MASS GENERAL BRIGHAM HEALTH PLAN, INC") describe_entity(entity_id="le:000096", on="2026-10-01") # owners on a date, holdings, events describe_entity(entity_id="le:000096", 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_000096.md · every page in one file: /llms-full.txt