Contact Mass General Brigham Health Plan

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.