Medical Insurance Society Limited

MAS is a membership-based insurance and investment company for New Zealand professionals.

Our difference 

As a mutual society, our customers become Members. We’re owned by our Members so we don’t have to generate big profits for external shareholders. And because our advisers are paid a salary with no commissions, you can be sure we have your best interests at heart.

Our history

We were founded by doctors for doctors in 1921, and now more than 80% of the medical profession insure with MAS. 

Today we welcome all professionals along with their friends and families. If you’d like to discuss insurance, investments or lending, we’d love to talk.

Medical Life Assurance Society Limited Products

Motor Vehicle Insurance
  • Feel confident behind the wheel with an insurer that’s got you covered on and off the road.
Boat Insurance
  • Stay afloat with MAS’s Boat Insurance. We’ll insure your launch, yacht, jet ski or jet boat – no matter the vessel, we’ve got you covered.
House & Contents
  • From your biggest asset to your smallest, protect what’s most important in life.
Life, Income & Disability
  • Whatever the future holds, you can trust it’s in good hands.
Business Insurance
  • Take the risk out managing your business.

We’re more than just an insurance provider, we’re a one-stop shop for financial wellbeing and advice. With 37,000 Members, we’ve built a reputation for having an empathetic and world class claims service. 

When you join MAS, you join a group of professionals who want to make a positive impact on the health and wellbeing of New Zealanders, and expect the same from their financial providers.

Medical Life Assurance Society Limited General Enquiries

To make an appointment with a MAS adviser or to speak to a team member straight away call us on:

0800 800 627

Our standard call centre hours are Monday to Friday 8:00am to 5:30pm however for emergency assistance you can call us anytime. 

For general enquiries or questions regarding your policies, you can either fill in the form belowor email us at