Mass General Brigham Health Plan Member App Effortlessly manage your healthcare with the Mass General Brigham Health Plan Member App, designed specifically for MGB Health Plan members. Getting Started: To use the app, register with your member ID, which is located on your Mass General Brigham Health Plan ID card below your name. Key Features: - Digital ID Card: Save and access your ID card directly from your phone. - Claims Access: View and manage your claims activity and details. - Plan Usag