Top 10 Medicaid insurers represent over half of US managed care market

Fifty-seven percent of the U.S.'s managed Medicaid market is held by the top 10 Medicaid insurers, an analysis from a Washington, D.C., publishing and information company Atlantic Information Services found

AIS' Medicare and Medicaid market data found four of the top 10 payers are involved in mergers and acquisitions that may allow them to gain more market share. Specifically, Hartford, Conn.-based Aenta's proposed acquisition of Louisville, Ky.-based Humana would allocate more than 400,000 Medicaid beneficiaries to Aetna, if the deal is not blocked by the U.S. Department of Justice. In addition, the third ranked insurer, St. Louis-based Centene, acquired Woodland Hills, Calif.-based Health Net in July, leaving the resulting entity with the highest market share.

Here are the top 10 insurers with the most Medicaid beneficiaries and market share.

Insurer, number of beneficiaries, market share

1. Centene (including Health Net) — 5,498,062, 11.6 percent*

2. Indianapolis-based Anthem — 5,156,491, 10.5 percent

3. Minnetonka, Minn.-based UnitedHealthcare — 4,864,597, 9.9 percent

4. Long Beach, Calif.-based Molina Healthcare — 2,781,256, 5.7 percent

5. Tampa, Fla.-based WellCare Health Plans — 2,165,518, 4.4 percent

6. Los Angeles-based L.A. Care Health Plan — 1,823,875, 3.7 percent

7. Philadelphia-based AmeriHealth Caritas — 1,487,896, 3 percent

8. Aetna — 1,253,297, 2.6 percent

9. New York City-based Fidelis Care — 1,139,629, 2.3 percent

10. Cucamonga, Calif.-based Inland Empire Health Plan — 1,103,556, 2.2 percent

* Excluding Health Net, Centene ranks third, with 3,611,528 beneficiaries and 7.3 percent market share.

More articles about payer issues:
BCBS of Georgia says it will be sole insurer on ACA exchange
Federal officials face adverse consumer, political response amid ACA marketplace changes
Study finds 1 in 5 Louisianans were uninsured pre-Medicaid expansion

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