At National Interstate, we have claims and service teams dedicated to assisting our ART, or captive, insurance program clients. They’re experts in alternative risk insurance. They’re here to help you manage your policy and claim. And they’re just a phone call or fax away.

For routine claims:
Phone: 866-294-8264
Fax: 330-659-8909
Email: newclaims@natl.com

For serious claims:
If your claim involves significant property damage, bodily injury or environmental cleanup and requiring on scene investigation, please call 800-929-0870. If you experience technical difficulty reaching us after hours, please dial 678-301-2316 to report a serious claim.

Claims reporting:
Click here to report a claim online.

Get loss runs:
Click here to view loss runs.