How Health Plans Stack Up, Dollar- and Membership-Wise
Since American Medical News was kind enough to compile the data (subscription required), I thought I'd offer up this quick pair of tables on the nation's largest nonprofit and for-profit health insurers. These accompanied an article about the proposed merger of the Blues plans Highmark and Independence Blue Cross, and so treats them as a single entity.
Largest nonprofit health plans, by membership (2007)
| Health Care Service Corp. (owns four Blues plans) | 12.1 million |
| Kaiser Permanente | 8.6 million |
| Highmark-IBC | 7 million |
| BlueCross BlueShield of Florida | 4.2 million |
| Blue Shield of California | 3.2 million |
| UnitedHealth Group | $75.4 billion |
| WellPoint | $61.1 billion |
| Kaiser Permanente | $37.8 billion |
| Aetna | $27.6 billion |
| Humana | $25.3 billion |
| Highmark-IBC | $22 billion |
| Cigna | $17.6 billion |
| Health Care Service Corp. | $14.4 billion |
| HealthNet | $14.1 billion |
| Coventry | $9.8 billion |