> Enrich.chat gives AI agents verified work emails and mobiles. To use it from an agent, read https://enrich.chat/agents.md . This is the Markdown version of https://enrich.chat/company/mass-general-brigham/ # Mass General Brigham A hospitals and health care organization with 50,000 to 100,000 employees. Where it sits among its peers, the technology it runs and how to reach its people. By Enrich.chat Editorial. Updated October 21, 2026. **Short answer:** Mass General Brigham (massgeneralbrigham.org) is a hospitals and health care organization with 50,000 to 100,000 employees. Its public technology footprint includes Microsoft 365, Facebook Login, Cedexis Radar and AWS. ## How big is Mass General Brigham? Mass General Brigham has 50,000 to 100,000 employees. Among the hospitals and health systems on this site it sits among the largest. Each dot in the figure is one of its peers, placed by size; the orange dot is Mass General Brigham. **Figure: Where Mass General Brigham sits among hospitals and health systems.** A strip of dots, one for each of 120 peers in hospitals and health care, spread from 2,000 to 2,000,000 employees on a log scale. Mass General Brigham is highlighted and falls in the 50,000 to 100,000 employees range among the largest. *Peers in hospitals and health care placed by employee count on a log scale. Sizes are rounded ranges from public profiles.* Headcount on public company profiles is rounded and moves as a company hires, so use the range as a guide, not as a payroll figure. ## Where is Mass General Brigham headquartered? Mass General Brigham is headquartered in Somerville, Massachusetts. [More hospitals and health systems in Massachusetts](https://enrich.chat/companies-in/massachusetts/hospitals-and-health-care/)[Companies in Massachusetts](https://enrich.chat/companies-in/massachusetts/) ## What industry is Mass General Brigham in? Mass General Brigham works in [hospitals and health care](https://enrich.chat/industries/hospitals-and-health-care/). This group covers hospitals, health systems, clinics and other organizations that deliver medical care to patients. Closest matches on this site: [Vanderbilt University Medical Center](https://enrich.chat/company/vanderbilt-university-medical-center/), [DaVita](https://enrich.chat/company/davita/), [Lifepoint Health®](https://enrich.chat/company/lifepoint-health/), [Fresenius Medical Care](https://enrich.chat/company/fresenius-medical-care/), [Envision Healthcare](https://enrich.chat/company/envision-healthcare/) and [McKesson](https://enrich.chat/company/mckesson/). ## What technology does Mass General Brigham use? We detect 47 tools on Mass General Brigham's public footprint across 18 categories, for example Marketo for marketing automation and crm, AWS for cloud and hosting and Stripe for e-commerce and payments. The figure counts the tools in each category; the groups below name them and link to the companies that use each one. **Figure: Tools detected at Mass General Brigham, by category.** A bar chart of how many tools were detected at Mass General Brigham in each category: Video and media 5, Marketing automation and CRM 4, Cloud and hosting 4, Analytics and tracking 4, Frameworks and libraries 4, Data and observability 3, Email and productivity 3. *Tools detected on the public footprint of Mass General Brigham, by category.* ### Marketing automation and CRM [Marketo](https://enrich.chat/companies-using/marketo/)[Constant Contact](https://enrich.chat/companies-using/constant-contact/)[GoToWebinar](https://enrich.chat/companies-using/gotowebinar/)[Emma](https://enrich.chat/companies-using/emma/) ### Cloud and hosting [AWS](https://enrich.chat/companies-using/aws/)[Microsoft IIS](https://enrich.chat/companies-using/microsoft-iis/)[WP Engine](https://enrich.chat/companies-using/wp-engine/)[Pantheon](https://enrich.chat/companies-using/pantheon/) ### E-commerce and payments [Stripe](https://enrich.chat/companies-using/stripe/) ### Customer support and chat [Zendesk](https://enrich.chat/companies-using/zendesk/) ### HR and recruiting [Workday Recruiting](https://enrich.chat/companies-using/workday-recruit/)[Oracle Taleo](https://enrich.chat/companies-using/taleo/) ### Identity and authentication [Facebook Login](https://enrich.chat/companies-using/facebook-login/) ### Data and observability [Cedexis Radar](https://enrich.chat/companies-using/cedexis-radar/)[New Relic](https://enrich.chat/companies-using/new-relic/)[Ruxit (Dynatrace)](https://enrich.chat/companies-using/ruxit/) ### Developer and DevOps tools [ServiceNow](https://enrich.chat/companies-using/servicenow/)[Jira](https://enrich.chat/companies-using/jira/) ### Email and productivity [Microsoft 365](https://enrich.chat/companies-using/microsoft-365/)[Amazon SES](https://enrich.chat/companies-using/amazon-ses/)[Atlassian Confluence](https://enrich.chat/companies-using/atlassian-confluence/) ### CDN and security [Citrix NetScaler](https://enrich.chat/companies-using/citrix-netscaler/) ### Website platforms and CMS [WordPress (self-hosted)](https://enrich.chat/companies-using/wordpress-org/)[Drupal](https://enrich.chat/companies-using/drupal/)[Gravity Forms](https://enrich.chat/companies-using/gravity-forms/) ### Analytics and tracking [Google Tag Manager](https://enrich.chat/companies-using/google-tag-manager/)[Google Analytics](https://enrich.chat/companies-using/google-analytics/)[Hotjar](https://enrich.chat/companies-using/hotjar/)[CallRail](https://enrich.chat/companies-using/callrail/) ### Advertising and retargeting [Adobe Media Optimizer](https://enrich.chat/companies-using/adobe-media-optimizer/)[The Trade Desk](https://enrich.chat/companies-using/the-trade-desk/)[Marin Software](https://enrich.chat/companies-using/marin/) ### Video and media [Vimeo](https://enrich.chat/companies-using/vimeo/)[YouTube](https://enrich.chat/companies-using/youtube/)[Shutterstock](https://enrich.chat/companies-using/shutterstock/)[Brightcove](https://enrich.chat/companies-using/brightcove/)[jPlayer](https://enrich.chat/companies-using/jplayer/) ### Social and widgets [Facebook Widget](https://enrich.chat/companies-using/facebook-widget/) ### Frameworks and libraries [ASP.NET](https://enrich.chat/companies-using/asp-net/)[AngularJS](https://enrich.chat/companies-using/angularjs/)[Backbone.js](https://enrich.chat/companies-using/backbone-js/)[Django](https://enrich.chat/companies-using/django/) ### Fonts, maps and embeds [Google Maps](https://enrich.chat/companies-using/google-maps/)[Google Maps (non paid)](https://enrich.chat/companies-using/google-maps-non-paid/) Tools change as companies adopt and drop them. Check a single company at any time with the free [tech stack lookup](https://enrich.chat/tools/tech-stack-lookup/). ## Which companies are most like Mass General Brigham? These are the closest matches among the hospitals and health systems on this site. Each is compared on the business tools it runs (a rarer tool says more than a common one), how close its size is and, when both are known, where it is based. The second column says why it matched and gives its size range. | Company | Why it matches | | --- | --- | | [Vanderbilt University Medical Center](https://enrich.chat/company/vanderbilt-university-medical-center/) | Shares Marketo, AWS and Pantheon; a smaller company. 25,000 to 50,000 employees | | [DaVita](https://enrich.chat/company/davita/) | Shares Marketo, WP Engine and Pantheon; same size range. 50,000 to 100,000 employees | | [Lifepoint Health®](https://enrich.chat/company/lifepoint-health/) | Shares Marketo, WP Engine and Oracle Taleo; same size range. 50,000 to 100,000 employees | | [Fresenius Medical Care](https://enrich.chat/company/fresenius-medical-care/) | Shares Marketo, AWS and Zendesk; a larger company. 100,000+ employees | | [Envision Healthcare](https://enrich.chat/company/envision-healthcare/) | Shares Microsoft IIS, New Relic and Jira; same size range. 50,000 to 100,000 employees | | [McKesson](https://enrich.chat/company/mckesson/) | Shares Marketo, Constant Contact and GoToWebinar; same size range. 50,000 to 100,000 employees | | [Ascension](https://enrich.chat/company/ascension/) | Shares Workday Recruiting, ServiceNow and Jira; a larger company. 100,000+ employees | | [Centene](https://enrich.chat/company/centene/) | Shares AWS, Stripe and Workday Recruiting; same size range. 50,000 to 100,000 employees | To build a longer list of accounts like Mass General Brigham, with the people who run their software, ask your AI agent: ```text Use www.enrich.chat to find hospitals and health systems that run Marketo and AWS, like Mass General Brigham, and the CIOs, CISOs and clinical informatics leaders at each, with titles and verified work emails ``` ## How do I find the right people at Mass General Brigham? Start from the website, massgeneralbrigham.org. Enter it in the free email finder with a name, or ask your AI agent for the people in the roles you sell to, such as CIOs, CISOs and clinical informatics leaders. ```text Use www.enrich.chat to find the CIOs, CISOs and clinical informatics leaders at massgeneralbrigham.org, with titles and verified work emails ``` Not sure how addresses are written at Mass General Brigham? The free [email format finder](https://enrich.chat/tools/email-format-finder/) shows the pattern for massgeneralbrigham.org. ## Which other companies use the same tools? See who else runs the tools Mass General Brigham uses: [Microsoft 365](https://enrich.chat/companies-using/microsoft-365/)[Vimeo](https://enrich.chat/companies-using/vimeo/)[Facebook Login](https://enrich.chat/companies-using/facebook-login/)[YouTube](https://enrich.chat/companies-using/youtube/)[Facebook Widget](https://enrich.chat/companies-using/facebook-widget/)[WordPress (self-hosted)](https://enrich.chat/companies-using/wordpress-org/) ## Frequently asked questions ### How many employees does Mass General Brigham have? Mass General Brigham is in the 50,000 to 100,000 employees range on its public company profile. Headcounts are rounded and change as companies hire, so treat the range as a guide. ### What industry is Mass General Brigham in? Mass General Brigham works in hospitals and health care. This group covers hospitals, health systems, clinics and other organizations that deliver medical care to patients. ### What technology does Mass General Brigham use? Tools detected on its public footprint include Microsoft 365, Facebook Login, Cedexis Radar and AWS, across 18 categories. A detected tool shows it was seen, not what Mass General Brigham pays for it. ### Where is Mass General Brigham headquartered? Mass General Brigham is headquartered in Somerville, Massachusetts. ### What companies are similar to Mass General Brigham? The closest matches on this site are Vanderbilt University Medical Center, DaVita and Lifepoint Health®. They are compared on the business tools they run, their size and where they are based; the profile above lists the reasons. ### What is the website of Mass General Brigham? Mass General Brigham's website is massgeneralbrigham.org. Staff email usually uses a domain like it, so check the pattern with the free email format finder before you write to anyone. ## Try this prompt Find people at Mass General Brigham ```text Use www.enrich.chat to find the CIOs, CISOs and clinical informatics leaders at massgeneralbrigham.org, with titles and verified work emails ``` ## Related - [Companies using a technology](https://enrich.chat/companies-using/) - [Vanderbilt University Medical Center](https://enrich.chat/company/vanderbilt-university-medical-center/) - [DaVita](https://enrich.chat/company/davita/) - [Lifepoint Health®](https://enrich.chat/company/lifepoint-health/) - [Fresenius Medical Care](https://enrich.chat/company/fresenius-medical-care/) - [Envision Healthcare](https://enrich.chat/company/envision-healthcare/) - [McKesson](https://enrich.chat/company/mckesson/) - [Ascension](https://enrich.chat/company/ascension/) - [Centene](https://enrich.chat/company/centene/) - [Tech stack lookup](https://enrich.chat/tools/tech-stack-lookup/)