Contact Mass General Brigham Health Plan

Get answers fast with live chat

Even before you’re a member, you can live chat with our customer service team during regular business hours. Chat with us, call or email one of our customer service lines listed below.

Need support managing your health insurance plan outside of business hours? The Member portal and the Member app are available 24/7 for accessing your cost sharing information, member ID card, provider search tools, and more.

Customer Service

Email Us
866-414-5533
TTY: 711
Hours:
Monday through Friday, 8:00 AM to 6:00 PM
Thursdays 8:00 AM to 8:00 PM
 

Customer Service for Mass General Brigham employees

Email Us
800-432-9449
TTY: 711
Hours:
Monday through Friday, 8:00 AM to 6:00 PM
Thursdays 8:00 AM to 8:00 PM
 

Customer Service for GIC and City of Boston Members

Email Us
866-567-9175
TTY: 711
Hours:
Monday through Friday, 8:00 AM to 6:00 PM
Thursdays 8:00 AM to 8:00 PM

Customer Service for Mass General Brigham ACO Members

Email Us
800-462-5449
TTY: 711
Hours:
Monday through Friday, 8:00 AM to 6:00 PM
Thursdays 8:00 AM to 8:00 PM

Customer Service for Medicare Advantage Members

Email Us
855-833-3668
TTY:711
Hours:
October 1 – March 31, 8 AM-8 PM ET, Mon-Sun  
April 1 – September 30, 8 AM-8 PM ET, Mon-Fri

Customer Service for Medicare Balance Members

Email Us
800-665-1685
TTY: 711
Hours:
Monday through Friday, 8:00 AM to 6:00 PM
Thursdays 8:00 AM to 8:00 PM

Broker & Account Services team

Email Us
866-643-8392
Hours:
Monday through Friday, 8:00 AM to 6:00 PM
Thursdays 8:00 AM to 8:00 PM
 

Provider Service

Email Us
855-444-4647
Hours:
Monday through Friday, 8:00 AM to 5:00 PM, closed 12:00 - 12:45 PM

Media Inquiries

Melanie Lown
Mass General Brigham Health Plan
Email Melanie
 

Compliance Hotline

If you have a legal or ethical question or believe that another member of the Mass General Brigham Health Plan community has violated a legal or ethical responsibility, you can contact the Compliance Hotline at 1-844-556-2925 or massgeneralbrighamhealthplan.ethicspoint.com  for confidential and anonymous reporting.