Medical malpractice, top writers, United States--2004: Rank is based on 2004 direct premiums written.

Medical Malpractice, Top Writers, United States--2004
Rank is based on 2004 direct premiums written.
($ Thousands)
                                               2004 Direct          %
                                                  Premiums   Change in
Rank   Group                           AMB #       Written    Premiums

1      Amer Intl Group Inc             18540      $916,126         0.6
2      MLMIC Group                     18439       909,052        -4.3
3      GE Global Ins Group             18572       801,799       -13.6
4      ProAssurance Group              18559       557,144         6.3
5      Doctors Co Ins Group            18083       494,674         6.6
6      CNA Ins Cos                     18313       459,660        13.9
7      ISMIE Mutual Group              18644       426,235        13.5
8      Health Care Indemnity Inc       03701       371,280        -2.1
9      Mag Mutual Group                18635       353,744        25.4
10     Norcal Group                    18539       294,482         6.2
11     Physicians' Reciprocal          02888       287,978        41.3
         Insurers
12     FPIC Ins Group Inc              18457       286,871        -2.4
13     ProMutual Group                 18359       282,364        28.5
14     State Volunteer Mutual Ins Co   03706       241,379        13.6
15     MCIC VT Inc Risk Retention      12014       228,347        -3.8
         Group
16     Zurich Finl Svcs NA Group       18549       206,418         8.4
17     APCapital Group                 18321       195,043         1.7
18     Markel Corp Group               18468       184,744        -8.9
19     Allianz of America Inc          18429       155,741        -0.6
20     Medical Mutual Group (MD)       05006       155,195        30.6
21     Mutual Ins Co of AZ             03659       152,759        19.1
22     Fairfax Financial (USA)         03116       142,554         9.9
         Group
23     SCPIE Cos                       18350       133,886        -7.4
24     Midwest Medical Ins Co          02659       117,368        16.3
25     Medical Mutual Group (NC)       18072       116,172        18.5
       Top 25 P/C Writers                       $8,471,019         4.3
       Total U.S. P/C Industry                 $11,366,007         5.5

                                          Market Share (%)

Rank   Group                            2004    2003    2002

1      Amer Intl Group Inc               8.1     8.5     6.9
2      MLMIC Group                       8.0     8.8    10.2
3      GE Global Ins Group               7.1     8.6     6.8
4      ProAssurance Group                4.9     4.9     4.7
5      Doctors Co Ins Group              4.4     4.3     4.3
6      CNA Ins Cos                       4.0     3.7     3.5
7      ISMIE Mutual Group                3.8     3.5     2.8
8      Health Care Indemnity Inc         3.3     3.5     3.6
9      Mag Mutual Group                  3.1     2.6     2.3
10     Norcal Group                      2.6     2.6     2.6
11     Physicians' Reciprocal            2.5     1.9     2.0
         Insurers
12     FPIC Ins Group Inc                2.5     2.7     3.1
13     ProMutual Group                   2.5     2.0     1.9
14     State Volunteer Mutual Ins Co     2.1     2.0     1.7
15     MCIC VT Inc Risk Retention        2.0     2.2     1.7
         Group
16     Zurich Finl Svcs NA Group         1.8     1.8     2.0
17     APCapital Group                   1.7     1.8     1.9
18     Markel Corp Group                 1.6     1.9     2.0
19     Allianz of America Inc            1.4     1.5     2.2
20     Medical Mutual Group (MD)         1.4     1.1     1.1
21     Mutual Ins Co of AZ               1.3     1.2     1.1
22     Fairfax Financial (USA)           1.3     1.2     1.9
         Group
23     SCPIE Cos                         1.2     1.3     1.7
24     Midwest Medical Ins Co            1.0     0.9     0.9
25     Medical Mutual Group (NC)         1.0     0.9     0.8
       Top 25 P/C Writers               74.5    75.4    73.9
       Total U.S. P/C Industry         100.0   100.0   100.0

                                       Adjusted Loss Ratios        % of
                                                                Company
Rank   Group                            2004    2003    2002   Premiums

1      Amer Intl Group Inc              59.6    69.1   100.1        3.2
2      MLMIC Group                     118.7   112.4   149.6       96.5
3      GE Global Ins Group              60.2    84.2    76.8       37.1
4      ProAssurance Group               25.5    40.0    63.8       70.5
5      Doctors Co Ins Group             42.3    56.2    67.6       99.7
6      CNA Ins Cos                      86.9    74.4    82.1        4.2
7      ISMIE Mutual Group               64.7    78.2   108.4      100.0
8      Health Care Indemnity Inc        44.0    76.5    82.9      100.0
9      Mag Mutual Group                 56.3    72.0   111.3       97.7
10     Norcal Group                     46.5    56.8    61.9      100.0
11     Physicians' Reciprocal           77.4   119.2     9.0       98.2
         Insurers
12     FPIC Ins Group Inc               45.4    72.2    63.3       94.5
13     ProMutual Group                  54.6    89.1   107.7       98.5
14     State Volunteer Mutual Ins Co    53.1    41.6    84.1       99.9
15     MCIC VT Inc Risk Retention       89.9   110.8   118.0       95.5
         Group
16     Zurich Finl Svcs NA Group       136.6   183.0   213.4        1.6
17     APCapital Group                  62.2    88.1    78.8       94.6
18     Markel Corp Group                42.3    48.7    55.0       10.6
19     Allianz of America Inc           38.4    91.0   112.2        3.2
20     Medical Mutual Group (MD)        93.1    93.6    77.6       99.8
21     Mutual Ins Co of AZ              65.6    78.5    69.9      100.0
22     Fairfax Financial (USA)          70.6    65.6   139.9        8.3
         Group
23     SCPIE Cos                        60.2    57.0    78.1       98.2
24     Midwest Medical Ins Co           64.9    50.9    79.3       97.5
25     Medical Mutual Group (NC)        47.3    57.4    29.9      100.0
       Top 25 P/C Writers               65.9    79.8    94.0       12.3
       Total U.S. P/C Industry          63.8    82.8    95.1        2.4

Source: A.M. Best Statement Products: State/Line. For more information
about custom data, call [phone], Ext. 5383.