Webexplore our comprehensive primary care services and find specific information for adult and pediatric patients. Scheduling your first appointment. First, choose a doctor. Webfeb 7, 2023 · mass general brigham patient gateway is a secure electronic portal that helps you better manage your own health or the health of a family member. Request appointments and communicate with your care team via patient gateway. Please use this form only if: Webschedule an appointment with a doctor or other provider. Here’s how to schedule an appointment: Webto sign up for mass general…