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Health Plan Enrollment
Market Share Data
Top 25 U.S. Health Plans, Ranked by Total Medical Enrollment* (as of
December 2009)
| Company |
2009 Enrollment |
WellPoint, Inc. |
33,952,110 |
UnitedHealth Group |
31,980,000 |
Aetna Inc. |
18,557,996 |
Health Care Service Corporation |
12,400,000 |
CIGNA HealthCare, Inc. |
11,131,599 |
Kaiser Permanente |
8,722,019 |
Humana, Inc. |
8,359,031 |
Health Net, Inc. |
6,659,000 |
Blue Cross Blue Shield of Michigan |
4,548,575 |
Highmark, Inc. |
4,114,476 |
Coventry Health and Life Insurance Company |
3,603,910 |
AmeriHealth Mercy/Independence Blue Cross |
3,599,371 |
Blue Cross and Blue Shield of Alabama |
3,570,223 |
CareFirst BlueCross BlueShield |
3,330,926 |
Medical Mutual of Ohio |
3,154,334 |
Blue Shield of California |
3,053,605 |
Blue Cross Blue Shield of Massachusetts |
2,980,607 |
Blue Cross and Blue Shield of Florida, Inc. |
2,893,373 |
Horizon Blue Cross Blue Shield |
2,831,119 |
Blue Cross and Blue Shield of North Carolina |
2,800,519 |
EmblemHealth, Inc. |
2,752,815 |
BlueCross BlueShield of Tennessee |
2,468,015 |
Blue Cross Blue Shield of Minnesota |
2,388,829 |
The Regence Group |
2,130,689 |
AMERIGROUP Corporation |
1,713,000 |
*Includes medical enrollment in all models of fully insured and self-insured health plans; does not include specialty benefit enrollment.
**see AIS’s Directory of Health Plans: 2010 for complete listing.
Copyright © 2010 Atlantic Information Services. |
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