Legal entity

SUMMACARE INC.

le:000623·legal entity·owned by General Catalyst Group Management Holdings LP

Holds directly

Through subsidiaries

Subsidiaries

Held directly, ever

Medicare contracts

Marketplace issuers

Identifiers

Namespace	Value	Valid
`cms_org_name`	SUMMACARE INC.	2006-08-01 to today
`cms_org_name`	SUMMACARE, INC.	2006-08-01 to 2006-12-31
`cms_org_name`	SummaCare Inc.	2006-08-01 to 2008-09-30
`ein`	341726655	2013-01-01 to today
`naic`	95202	2013-01-01 to today

Owned or controlled by

Owner	Relation	When	Basis	Grade
Summa Health System	controlled by	start 2008-10-01, to 2025-09-30	reported_ultimate_parent	B
General Catalyst Group Management Holdings LP	controlled by	start 2025-10-01, still true	reported_ultimate_parent	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.

Holds (2)

Instrument	Kind	Since	Grade
H3660 contract:H3660	Medicare contract	start 2006-08-01	A
SummaCare, Inc. hios:37990	Marketplace issuer	start 2013-01-01	A

Ask about it

resolve_entity(text="SUMMACARE INC.")
describe_entity(entity_id="le:000623", on="2026-10-01")          # owners on a date, holdings, events
describe_entity(entity_id="le:000623", 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_000623.md · every page in one file: /llms-full.txt