Directory · Iowa · Medical malpractice

Who writes medical malpractice in Iowa

Top insurer groups from the NAIC market share report; the state's list carries no lines of authority.

Copic Group wrote the most medical malpractice in Iowa in 2025, $24.5M and 24.5% of the state's premium; the top five groups hold 72%. Iowa's company list doesn't say which lines each company is licensed for, so the ranking below is the NAIC's top 10 groups; every licensed company is on the Iowa page.

By Sam Alishahi, independent insurance broker · All lines in Iowa

Top 10 · NAIC table: 11.1, 11.2 - Medical Professional Liability

The insurer groups that write the most medical malpractice in Iowa

Top 10 insurer groups by direct premium written in 2025, from the NAIC's Market Share Reports for Property/Casualty Groups and Companies by State. A group is the parent and its insurance companies together; share is the group's part of the state total for the line; loss ratio is losses incurred over premium earned.

#	Insurer group	Premium written	Share	Loss ratio	Member companies here
1	Copic Group	$24.5M	24.46%	66%	COPIC Insurance Company, COPIC, a Risk Retention Group
2	Liberty Mutual Group	$19.8M	19.80%	46%	Safeco Insurance Company of America, Liberty Insurance Underwriters, Inc., Liberty Mutual Fire Insurance Company, Liberty County Mutual Insurance Company
3	Curi Holdings Group	$16.3M	16.28%	65%	Medical Mutual Insurance Company of North Carolina, MMIC Insurance, Inc., Medical Security Insurance Company, UMIA Insurance, Inc.
4	Berkshire Hathaway Group	$8.3M	8.23%	65%	GEICO General Insurance Company, GEICO Texas County Mutual Insurance Company, GEICO County Mutual Insurance Company, Government Employees Insurance Company
5	Mag Mutual Insurance Group	$2.9M	2.93%	263%	MAG Mutual Insurance Company, Professional Security Insurance Company, MD Advantage Insurance Company of New Jersey
6	Health Care Industry Liability Reciprocal Insurance Company, A Risk Retention Group	$2.9M	2.93%	54%	—
7	Cna Insurance Group	$2.6M	2.58%	—	Continental Casualty Company, Continental Insurance Company, (The), American Casualty Company of Reading, Pennsylvania, National Fire Insurance Company of Hartford
8	Proassurance Corporation Group	$2.0M	1.95%	—	NORCAL Insurance Company, ProAssurance Indemnity Company, Inc., ProAssurance Insurance Company of America, Allied Eastern Indemnity Company
9	Ncmic Group	$1.9M	1.94%	—	Professional Solutions Insurance Company, NCMIC Insurance Company, NCMIC Risk Retention Group, Inc.
10	Munich Re Group	$1.5M	1.52%	78%	American Modern Property and Casualty Insurance Company, American Modern Home Insurance Company, American Alternative Insurance Corporation, Next Insurance US Company

Turned down?

Last resort for medical malpractice in Iowa

Last resort	Lines	Where	How to get in
Surplus lines and Lloyd's open market	all	all states, under each state's diligent-search rules	Through surplus lines wholesalers; commercial property and liability have no guaranteed plan, so this is their last step	Source

Method and source

Source: the Iowa insurance regulator company list, read 2026-10-18 and the surplus lines list. Admitted = Iowa Data Hub dataset 667 'Insurance Companies Licensed in Iowa' (Iowa Insurance Division, refreshed weekly, CC BY 4.0). Mixes P&C, Life, Health, State/County Mutual, Fraternal, MEWA and Benevolent entities; 'type' carries the company_type column so the merge can filter (counts: {"State Mutual": 32, "Property Casualty": 1010, "County Mutual": 22, "Health": 96, "Life": 390, "Fraternal": 28, "Benevolent": 2, "MEWA": 6}). No lines-of-authority column and no license-date column, so lines=[] and since=''. The source also has business_license_type (e.g. 'Non Iowa Stock Fire And Casualty Company', 'Non Iowa Mortgage Guaranty Insurer', 'Non Iowa HMO') and ownership_type, not carried here. Rows without an NAIC number are benevolent societies, MEWAs and captive reinsurers. Surplus lines = dataset 559 'American Surplus Lines Companies' (US-domiciled insurers not licensed in Iowa that qualified to write surplus lines); all rows have NAIC codes; alien insurers are not in this list (Iowa follows the NAIC Quarterly Listing of Alien Insurers). The surplus list has no domicile or eligibility-date column: 'domicile' here is the mailing-address state (may differ from statutory domicile) and eligible=''. Downloads are ZIPs from /api/dataset-download?path=datasets/<id>/rows.csv; data.iowa.gov robots.txt allows '*' but blocks AI crawler UAs, so a browser UA is used. Attribute: Iowa Insurance Division via data.iowa.gov (CC BY 4.0). "Premium" is direct premium written in the state for the year shown; "share" is that company's part of the state total for the line. A company can be licensed for a line and write none of it, and a surplus lines insurer can write a line without a state license for it.

Open to use. Cite "Alishahi Insurance insurance company directory" and link here. CSV · JSON.

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