Office of the Commissioner of Insurance
Physical Addresses:
101 East Wilson Street
Madison, WI 53703
Madison, WI 53703
Mailing Addresses:
PO BOX 7873
MADISON, WI 53707-7873
MADISON, WI 53707-7873
Phone Numbers:
| Type | Phone Number | Extension | Notes |
|---|
| Main phone | (608) 266-3585 | ||
| Alternate phone | (800) 236-8517 | Complaint information | |
| Fax Number | (608) 267-9451 | ||
| TTY | 711 | Ask for (608) 266-3586 |
Operating Agency:
In Charge:
Hours:
Monday-Friday, 7:45am-4:30pm.
Eligibility:
None
Fees:
None
Intake Process:
Call or write for information
Program Licenses
Accessibility:
Call for details,
Languages:
English, Spanish,
Website(s):
Email(s):
Keywords:
Health Insurance, Home Insurance, Insurance, Insurance Complaints, Renter's Insurance, State Insurance Commissioner Offices, Workers' Compensation,
Last Updated:
12/18/2025
Program Description:
A statewide toll-free number to call if you want information on how to file an insurance complaint. Also offers general consumer information about:
- Health insurance
- Medicare and Medicare Supplemental Insurance
- Disability income
- Pregnancy and the employment laws
- Health Maintenance Organizations (HMO's)
- Life, automobile and homeowner's insurance
- Nursing home insurance
- Insurance market regulations
- Worker's Compensation rate regulation questions
- Unfair claim Worker's Compensation settlement practice questions
This information is also available through the website, including an on-line complaint form.
File a Complaint
If you have a specific complaint about your insurance, refer it first to the insurance company or agent involved. If you do
not receive satisfactory answers, contact the Office of the Commissioner of Insurance (OCI).
• Reach out to OCI (1-800-236-8517, ocicomplaints@wisconsin.gov) to speak with our staff. If sending an email, please
indicate your name and phone number.
• File a complaint with OCI. You can file a complaint online at https://oci.wi.gov/Pages/Consumers/Types-of-Complaints.aspx. If you would like to file your complaint by mail, visit https://oci.wi.gov/Pages/Consumers/Types-of-Complaints.aspx, email ocicomplaints@wisconsin.gov, or call 1-800-236-8517 for a form.
SD