Centene Corporation (“Centene”); Madison Health Group (“Madison”); Magellan Health Service of California, Inc.; Employer Services (“MHSC”); Magellan Federal, Inc. (“Magellan Federal”); Magellan Healthcare Provider Group, Inc. (“MHPG”); Magellan Life Insurance Company (“Magellan Life”)

CA · Latest: 2026-03-19 CA Notice complete

Agency description

Centene will divest itself of several health care entity subsidiaries pursuant to a Stock Purchase Agreement with Madison. The transaction will ultimately result in MHSC, Magellan Federal, MHPG, and Magellan Life becoming wholly indirectly-owned subsidiaries of Madison.
CA Office of Health Care Affordability (HCAI), “Transaction Type” column, hcai.ca.gov

State reviews

State	Agency	Status	Stage	Source
CA	Office of Health Care Affordability (HCAI)	CMIR Waived WAIVED	NOTICE	Agency record

Trail

Dates as published by the agency unless marked.

2026-03-19 CA Notice complete
Date Submission Completed: March 19, 2026
hcai.ca.gov

Not dated

CA Cost and market impact review waived
CMIR Waived
hcai.ca.gov

Changes

Feed

No changes observed since the initial load (CA 2026-09-28).

Parties as filed

State	Parties as filed
CA	Centene Corporation (“Centene”); Madison Health Group (“Madison”); Magellan Health Service of California, Inc.; Employer Services (“MHSC”); Magellan Federal, Inc. (“Magellan Federal”); Magellan Healthcare Provider Group, Inc. (“MHPG”); Magellan Life Insurance Company (“Magellan Life”)

Documents (1)

CA Centene Corporation (“Centene”), Madison Health Group (“Madison”), Magellan Health Service of California, Inc. – Employer Services (“MHSC”), Magellan Federal, Inc. (“Magellan Federal”), Magellan Healthcare Provider Group, Inc. (“MHPG”), and Magellan Life Insurance Company (“Magellan Life”)

Evidence

One agency record. It is not grouped with any other.

Names as filed and source keys

State	Title as printed	Source key	Key method
CA	Centene Corporation (“Centene”), Madison Health Group (“Madison”), Magellan Health Service of California, Inc. – Employer Services (“MHSC”), Magellan Federal, Inc. (“Magellan Federal”), Magellan Healthcare Provider Group, Inc. (“MHPG”), and Magellan Life Insurance Company (“Magellan Life”)	mcn-magellan-madison	FIRST_DOCUMENT_SLUG

Observed by DocketTrail

State	Source key	First seen by DocketTrail (UTC)	Last checked (UTC)	Page checked
CA	mcn-magellan-madison	2026-09-26 07:15	2026-10-06 20:33	hcai.ca.gov

Captures

Source	Last captured (UTC)
https://hcai.ca.gov/affordability/ohca/assess-market-consolidation/material-change-transaction-notices-mcn-and-cost-and-market-impact-review-cmir/	2026-10-06T20:33:54.638Z