Enroll in your new plan today
Choose one of three easy methods to enroll in one of our Medicare Advantage plans.
Self-enroll using our easy Medicare Advantage Online Enrollment tool
This tool will walk you through selecting a plan and filling out the online enrollment application. The application will take about 20 minutes to complete.
Enrolling online? Review these documents before you make your decision.
Contact one of our Medicare Advisors to enroll over the phone in minutes.
Call 855-486-3097 TTY 711
Oct 1 - Mar 31
8 AM-8 PM ET, Mon-Sun
Apr 1 - Sep 30
8 AM-8 PM ET, Mon-Fri
Download and print the Mass General Brigham Health Plan Application: 2025
To complete the application:
- Select your plan and fill out the application
- Sign and date your application(s).
- Send your completed application to:
Mass General Brigham Health Plan
Medicare Advantage
399 Revolution Drive, Suite 850
Somerville, MA 02145
* Medicare beneficiaries may also enroll in a Medicare Advantage plan through the CMS Medicare Online Enrollment Center located at medicare.gov.
Enrollment Checklist
- Confirm your Medicare eligibility
You must be enrolled in Medicare parts A and B and live within our plan service area.
Learn more about eligibility here - Choose a plan
View our available plans and select the best fit for your healthcare needs.
Compare plan options here - Check your enrollment period
Most people can only enroll in Medicare Advantage plans during specific periods of the year.
Learn more about enrollment periods here - Choose how you want to enroll
Select one of our three easy methods to enroll in your plan today.
Enroll in your new plan
Ready to enroll? If you’ve verified your eligibility and are within a qualifying enrollment period, sign up for one of our Medicare Advantage plans now.
© 2025 Mass General Brigham Health Plan, Inc. Mass General Brigham Health Plan is an HMO-POS/PPO organization with a Medicare contract. Enrollment in Mass General Brigham Health Plan depends on contract renewal. Other providers/pharmacies are included in our network.
Y0166_0860MKT_M2025D
Last updated: 1/1/2025 - Pending CMS approval