National Managed Care Firms


Top 15 Managed Care Firms, Ranked by Enrollment in 2007

 

Managed Care Organization

Total Enrollment
WellPoint, Inc.

30,242,907

United Health Group, Inc

17,080,995

Aetna, Inc.

13,861,191

Health Care Services Corporation

12,109,624

Humana, Inc.

11,358,428

CIGNA HealthCare Inc.

9,081,140

Kaiser Permanente

8,846,616

Highmark, Inc.

4,832,863

Blue Cross Blue Shield of Michigan

4,570,981

HIP Health Plan of New York

4,002,227

Independence Blue Cross

3,420,610

Horizon Blue Cross Blue Shield

3,377,000

Health Net, Inc.

3,298,563

Medical Mutual of Ohio

3,056,234

Blue Cross and Blue Shield of Florida, Inc.

2,987,955

Note: End of Year 2007 Data.

Source: AIS's Directory of Health Plans: 2008. Used with permission. 
http://www.aishealth.com/Products/dhp.html

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