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Connect with our dedicated support team to answer any questions about plans, benefits, or eligibility.

Chat with a Medicare Advisor

Call now

Contact one of our expert Medicare Advisors for any questions about our Medicare Advantage plans. We'll talk you through your options to help you find the right plan, and help you enroll over the phone if you're ready.

Call 855-486-3097 (TTY: 711)

Oct 1 - Mar 31
8AM - 8PM ET, Mon-Sun

Apr 1 - Sep 30
8AM - 8PM ET, Mon-Fri

Explore our FAQ to get answers to our most common questions

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 Contact Customer Service


If you are a Mass General Brigham member with an active Medicare Advantage plan, contact our Customer Service team for any questions about your plan or benefits.

Call 1-855-833-3668 (TTY: 711)

Oct 1 - Mar 31
8AM - 8PM ET, Mon-Sun

Apr 1 - Sep 30
8AM - 8PM ET, Mon-Fri

Connect via mail


To submit paper forms or contact us via mail, you can address letters to Mass General Brigham Health Plans's mailing address at:

Mass General Brigham Health Plan
Medicare Advantage
399 Revolution Drive, Suite 850
Somerville, MA 02145