Wisconsin Medical Malpractice Insurance Guide

Wisconsin requires primary malpractice coverage and Fund participation for specified providers, including physicians and CRNAs; eligible entities and other classes have separate rules. The state Fund supplies excess coverage above $1 million per claim or $3 million annual aggregate, and claims-made participants need tail protection to meet Fund requirements.

What Is Medical Malpractice Insurance?

Medical malpractice insurance can pay defense costs and covered damages when a patient claims a clinician’s care caused harm. If you provide health care, match the quote to your practice, clinicians, specialties and procedures, then check who is insured. Read the national Medical malpractice guide.

Wisconsin Medical Malpractice Insurance Requirements

Requirement	Details
Maintain the required primary layer when applicable	OCI states physicians and CRNAs must carry primary coverage at $1 million per occurrence/$3 million annual aggregate; participation and exceptions depend on statutory provider class and practice facts. ^1,²
Confirm certificate and Fund enrollment	The carrier’s primary-coverage certificate triggers Fund enrollment and Fund coverage; confirm the filing and the provider’s classification. ¹

What to Watch for With Medical Malpractice in Wisconsin

Fund participation depends on provider and practice facts
Wisconsin requires participation for doctors, independently practicing advanced registered nurse practitioners whose principal practice is in Wisconsin, and many facilities; part-time, nonprincipal-practice and government-employment exceptions differ. Confirm the statutory class and any accepted exemption rather than assuming all clinicians participate. ²
Claims-made coverage needs a transition plan
OCI says covered claims-made providers need a tail or extended-reporting endorsement when the policy ends, and changing from claims-made to occurrence requires tail, nose or prior-acts coverage for earlier incidents. The claims-made retro date must reach the first claims-made policy. ¹
Fund excess has procedural conditions
The Fund pays above the primary layer only when the provider or employee is covered by the Fund, the Fund is named in the legal action and that action is timely. Confirm Fund participation and filing details rather than treating it as automatic excess insurance for every Wisconsin clinician. ^3,²
Organization eligibility has a three-part test
OCI says an entity is mandatorily included only if it is organized in Wisconsin, operated in Wisconsin and primarily provides services of physicians or independently practicing advanced practice nurses. Ask how the employing practice or facility is classified and assessed. ²

Which Medical Malpractice Providers Have Wisconsin License Records?

These providers publish a national listing for Medical malpractice; the license records below name the licensed entities and roles. Some records rely on company-reported information rather than independent regulator verification. A national listing does not confirm the product is available in Wisconsin. Check the regulator’s license lookup and confirm state availability for your business when requesting a quote.

Corgi
Insurance producer · checked 2026-09-28
Corgi Insurance Services, Inc.
Corgi’s company producer-license table lists 50 jurisdictions: 49 states and the District of Columbia, including DC license 3003091619. New Mexico does not appear in the table and is not included here; the omission does not establish that Corgi is unlicensed there. The company-reported table has no stated as-of date and does not establish product availability. ¹¹
Corgi markets medical malpractice insurance for health care professionals and organizations.
Vouch
Insurance producer, Surplus-lines broker · checked 2026-09-28
Vouch Specialty Insurance Services, LLC
Vouch’s licenses page, effective January 16, 2025, lists producer licenses in all 50 states and DC. Its separate surplus-lines table includes Idaho number 870820, while a footnote says Georgia and Idaho do not issue agency-level surplus-lines licenses. Because those statements conflict for Idaho, this record keeps Idaho producer-only and does not treat the table number as established agency surplus-lines authority. The page is company-reported and does not establish product availability. ¹⁵
Vouch arranges medical malpractice insurance for health care and life sciences businesses.

Who Regulates Insurance in Wisconsin?

Wisconsin Office of the Commissioner of Insurance

The Wisconsin Office of the Commissioner of Insurance administers Wisconsin insurance laws, oversees insurers and insurance producers within its authority, and provides regulatory and consumer resources. You can use the department's complaint process to raise an insurance issue and its licensing resources to check insurance professionals. ^4,^5,⁶

Website: Regulator website
License lookup: Search licensed producers
Complaints: File a complaint

Surplus-Lines Tax and Stamping Office in Wisconsin

Reported tax rate. 3% of premium ^7,⁸

The NAIC's state chart lists a 3% of premium charge for surplus-lines coverage for Wisconsin (the chart's state entries were reviewed in October 2025). Your broker may collect the applicable amount with the premium. Surplus-lines insurers are not licensed in the state and generally are outside state guaranty-association protection; ask your broker to explain the insurer's financial protections and any diligent-search requirement that applies to your placement.

Questions to Ask Before You Buy Medical Malpractice in Wisconsin

Is each clinician and organization required, exempt or voluntarily participating in the Fund based on Wisconsin practice hours, principal practice and entity structure?
Has the carrier filed a certificate that matches the provider type and the actual policy dates, limits and retroactive date?
Who will fund tail or prior-acts protection at termination, and does the Fund record show continuous participation for the care period?

Medical Malpractice Insurance in Wisconsin: Frequently Asked Questions

What excess layer does Wisconsin’s Fund describe?

OCI describes Fund protection above $1 million per claim or $3 million annual aggregate for each policy year, subject to eligibility and claim-filing conditions. ^3,¹

Does Fund coverage automatically apply to government-employed providers?

No. OCI says Fund coverage does not apply to state, county, municipal or covered federal employees acting within their employment scope; eligible providers may have a separate exemption process. ²

Sources for Medical Malpractice Insurance in Wisconsin

1
IPFCF Coverage. Wisconsin Office of the Commissioner of Insurance; Updated Apr. 4, 2024; Coverage Requirements and Claims Made Policies and Tail Coverage: eligible classes, $1m/$3m primary, certificates, retro date and tail. Accessed 2026-09-28.
2
IPFCF Frequently Asked Questions. Wisconsin Office of the Commissioner of Insurance; Updated Sept. 25, 2026; Participation and Eligibility: mandatory versus voluntary classes, organization test, government employee exclusions and scope questions. Accessed 2026-09-28.
3
IPFCF Claims. Wisconsin Office of the Commissioner of Insurance; Updated Nov. 4, 2024; fund excess layer, provider/fund coverage, naming the Fund and filing deadline conditions. Accessed 2026-09-28.
4
Wisconsin Office of the Commissioner of Insurance. Wisconsin Office of the Commissioner of Insurance; Official regulator website; insurance oversight and consumer/professional resources. Accessed 2026-09-28.
5
Insurance Department Directory. National Association of Insurance Commissioners; Wisconsin Office of the Commissioner of Insurance entry; official contact and website listing. Accessed 2026-09-28.
6
Licensing Center. National Insurance Producer Registry; State producer licensing and lookup resources. Accessed 2026-09-28.
7
Surplus Lines Insurance Premium Taxes. National Association of Insurance Commissioners; WI row; state surplus-lines premium-tax rate reviewed October 2025. Accessed 2026-09-28.
8
Guaranty Associations & Funds. National Association of Insurance Commissioners; Coverage of claims from insolvencies of insurers licensed in a state; surplus-lines insurers are nonadmitted. Accessed 2026-09-28.
9
Licenses. At-Bay; Current producer introduction and state table; At-Bay Insurance Services LLC; P&C and surplus-lines identifiers. Accessed 2026-09-21.
10
Licenses and Carriers. Coalition; Licenses and Carriers, re-read 22 September 2026: Insurance Licenses table for Coalition Insurance Solutions, Inc., national producer number 18419475, with producer and surplus-lines numbers for all 50 states and DC including California 0L76155, Georgia 196479, Texas 2199630 and 2205589, Pennsylvania 815731 and 817452, Colorado 539028 and Wisconsin 3000108852. Insurance Carriers table naming, with NAIC numbers, Allianz Underwriters Insurance Company 36420, Arch Specialty Insurance Company 21199, Ascot Specialty Insurance Company 45055, Ascot Insurance Company 23752, Aspen Specialty Insurance Company 10717, Chaucer Insurance Company DAC, Coalition Insurance Company 29530, Fireman's Fund Indemnity Corporation 11380, Fortegra Specialty Insurance Company 16823, Lloyd's of London, MSIG Specialty Insurance USA Inc. 34886, MS Transverse Specialty Insurance Company 41807, Steadfast Insurance Company 26387, Vantage Risk Specialty Insurance Company 16275 and Zurich American Insurance Company 16535. Accessed 2026-09-22.
11
Insurance Producer Licenses. Corgi Insurance; Current complete Insurance Producer Licenses table for Corgi Insurance Services, Inc.; 50 rows covering 49 states and DC (DC 3003091619); no New Mexico row; no NPN or as-of date shown. Accessed 2026-09-28.
12
About Hiscox US Insurance. Hiscox; Hiscox Insurance Company Inc. NAIC 10200 as Chicago, IL domiciled insurer admitted or licensed in all 50 states and D.C.; Hiscox Inc. as general agent and Lloyd’s coverholder for Syndicates 33 and 3624; surplus-lines placements through licensed surplus-lines brokers; A.M. Best rating statement. Accessed 2026-09-16.
13
Licenses. ERGO NEXT Insurance; Current entity-by-state license table reopened 28 September 2026: 50 rows under Next First Insurance Agency, Inc., including Washington, DC; New York rows instead list Next Insurance Services PC-1423070 and AP Intego BR-1198885. Accessed 2026-09-28.
14
Insurance Licenses by State. TechInsurance; Current state table; identifies TechInsurance as a division of Specialty Program Group LLC d/b/a SPG Insurance Solutions; lists DC 3000041536 and labels Rhode Island “Individual licenses,” without an agency license number. Accessed 2026-09-28.
15
Licenses. Vouch; Effective 16 January 2025: Vouch Specialty Insurance Services, LLC, NPN 19926463; P&C table (50 states and DC); surplus-lines table includes Idaho 870820; footnote says Georgia and Idaho do not issue agency-level surplus-lines licenses; Idaho retained as producer-only due to conflict. Accessed 2026-09-15.

Wisconsin Medical Malpractice Insurance Guide

What Is Medical Malpractice Insurance?

Wisconsin Medical Malpractice Insurance Requirements

What to Watch for With Medical Malpractice in Wisconsin

Fund participation depends on provider and practice facts

Claims-made coverage needs a transition plan

Fund excess has procedural conditions

Organization eligibility has a three-part test

Which Medical Malpractice Providers Have Wisconsin License Records?

Corgi

Vouch