| Top 10 Writers of Medical Professional Liability Insurance By Direct Premiums Written, 2020 |
($000)
|
| Rank |
Group/company |
Direct premiums written (1) |
Market share (2) |
| 1 |
Berkshire Hathaway Inc. |
$1,714,357 |
16.9% |
| 2 |
The Doctors Company |
962,440 |
9.5 |
| 3 |
CNA Financial Corp. |
609,085 |
6.0 |
| 4 |
Coverys Insurance Group |
522,585 |
5.2 |
| 5 |
ProAssurance Corp. |
436,210 |
4.3 |
| 6 |
MCIC Vermont |
425,006 |
4.2 |
| 7 |
MagMutual Insurance Co. |
368,857 |
3.6 |
| 8 |
NORCAL Mutual Insurance Co. |
359,876 |
3.6 |
| 9 |
Liberty Mutual |
262,878 |
2.6 |
| 10 |
MMIC Group Inc. |
172,709 |
1.7 |
(1) Before reinsurance transactions, includes state funds.
(2) Based on U.S. total, includes territories.
Source: NAIC data, sourced from S&P Global Market Intelligence, Insurance Information Institute. |
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