Welcome to NorthStar Insurance Services. We are here and happy to help you. Learn More.

Welcome to NorthStar Insurance Services!


NorthStar’s office hours are

Monday – Thursday:       8:30 a.m. – 4:30 p.m.

Friday:                                8:30 a.m. – 4:00 p.m.


Otherwise through a scheduled appointment.



We can be reached at

Office:                                 781-431-2500

Toll Free:                            800-301-1944

Fax:                                     781-431-6134

Email:                                 info@nsins.com




Claims can be submitted through a form on our website.

Our Claims processing email is:  service@nsins.com.


Emergency claims; Claims on the weekends or after hours, please call:


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Claims Reporting & Service

Please allow the dedicated claims staff at NorthStar Insurance Services to guide you through the claims process. We will work with you every step of the way to make sure you are treated fairly, and to assure that you receive the maximum benefit from your insurance coverage. Entrusting your claims handling to one of our knowledgeable staff members will minimize the disruption to your business or personal life.
Our staff is available Monday through Thursday between 8:30am and 4:30pm and Friday between 8:30am and 4:00pm. Outside of these hours, NorthStar has partnered with McCormack Adjusters to assist you in reporting your claims.

After-Hours Claim Reporting
Employer’s First Report of Injury
(Workers’ Compensation Form 101)

Please call us, email us, or complete the form below and we will contact you by phone or email in order to assist you in reporting your claim!

We Expect More of Ourselves So You Get More

We take pride in our high-level industry expertise, attention to detail, and diligence in serving our clients’ needs every day. Our team of experts believes in a simple philosophy: that we should provide our clients the same dedicated level of attention and service that we would expect if our positions were reversed. We take our stewardship obligation to our clients very seriously, and work tirelessly to constantly exceed expectations. Find out how we make a difference in the way we approach your insurance needs. Give us a call at (800) 301-1944.