Mass General Brigham
Mass General Brigham is a nonprofit integrated academic health care system anchored by Massachusetts General Hospital and Brigham and Women’s Hospital.
Last updated October 5, 2026
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Overview
Mass General Brigham is a nonprofit integrated health care system based in Boston, Massachusetts. It was established in 1994 as Partners HealthCare through an affiliation between Massachusetts General Hospital and Brigham and Women’s Hospital, two major Harvard Medical School teaching hospitals. The organization was created to coordinate the institutions’ clinical, research, education, and community-health activities while preserving the identities and governance of its member organizations. The system expanded over time into a broad network of hospitals, physician organizations, specialty facilities, research programs, and health-plan and digital-health activities. Its hospital network has included Massachusetts General Hospital, Brigham and Women’s Hospital, Newton-Wellesley Hospital, Salem Hospital, Cooley Dickinson Hospital, Spaulding Rehabilitation, McLean Hospital, and Martha’s Vineyard Hospital, among other affiliated and associated organizations. The exact structure and participation of individual institutions can change as affiliations are revised. Mass General Brigham’s activities span acute and specialty hospital care, primary and ambulatory care, rehabilitation, behavioral health, cancer care, transplantation, cardiovascular medicine, neuroscience, women’s health, children’s services, emergency medicine, and complex tertiary and quaternary care. It also operates or supports extensive biomedical research and graduate medical education, with its two founding hospitals serving as prominent teaching and research institutions. The organization’s clinical network includes employed and affiliated physicians, outpatient sites, home-based services, urgent-care and virtual-care capabilities, and programs intended to connect academic medicine with community care. In 2020, Partners HealthCare adopted the Mass General Brigham name. The rebranding was intended to make the system’s relationship with its two flagship hospitals clearer and to present a unified identity across the broader network. The organization remains a nonprofit rather than a publicly traded company, and it does not have a stock ticker. Its principal operating footprint is Massachusetts and the wider New England health care market, although its academic research, specialty referrals, and digital activities have reach beyond the region. Mass General Brigham’s positioning combines high-acuity academic medicine with a geographically distributed care network. Its scale gives it substantial capabilities in research, specialist referral, and coordinated care, while also making it an important employer, purchaser, and participant in Massachusetts health policy. Like other large U.S. health systems, it has faced scrutiny concerning prices, consolidation, market power, access, workforce pressures, and the balance between tertiary academic services and community-based care. These issues have featured in regulatory and public discussions, but the system continues to operate as an active nonprofit health care enterprise.
History
Mass General Brigham traces its institutional origin to the 1994 affiliation of Massachusetts General Hospital and Brigham and Women’s Hospital. The two Boston teaching hospitals formed Partners HealthCare to coordinate their clinical, research, and educational strengths while maintaining separate hospital identities. The arrangement reflected a period of increasing integration in American health care, in which academic medical centers sought greater scale, referral coordination, negotiating capacity, and investment resources. Following its creation, Partners developed a wider network of hospitals and health care organizations in eastern Massachusetts and beyond. Its expansion included community hospitals, specialty providers, rehabilitation services, behavioral-health institutions, physician organizations, and other clinical relationships. The network linked the advanced specialty capabilities of its flagship academic hospitals with local and regional care settings. Member organizations continued to operate under their own names, but the system increasingly provided shared infrastructure, leadership, information technology, purchasing, research support, and strategic planning. Research and education remained central to the organization’s identity. Massachusetts General Hospital and Brigham and Women’s Hospital are major Harvard Medical School teaching hospitals, and the broader system supports clinical investigation, translational research, medical training, fellowships, and collaborations with universities and biotechnology organizations. Its clinical profile includes complex referrals in areas such as cancer, cardiology, transplantation, neurology, surgery, women’s health, psychiatry, and rehabilitation, alongside primary, emergency, and community care. Anne Klibanski became president and chief executive officer in 2019. During her tenure, the organization managed the operational and financial pressures associated with the COVID-19 pandemic, including changes in hospital demand, workforce conditions, infection-control requirements, supply chains, and the rapid expansion of virtual care. The system also continued efforts to coordinate care across hospitals, physician practices, home-based services, and community settings. In 2020, Partners HealthCare changed its name to Mass General Brigham. The new name directly referenced Massachusetts General Hospital and Brigham and Women’s Hospital, while retaining a distinct identity for the larger system. The rebranding was part of an effort to clarify the organization’s structure and improve public recognition across its network. The organization’s scale has made it a significant subject of Massachusetts health-policy debate. Discussions have included the effects of hospital mergers and affiliations on competition, commercial payment rates, health care spending, access, and the distribution of services between academic medical centers and community hospitals. These debates are broader than any single incident and reflect the policy challenges associated with large nonprofit systems. Mass General Brigham remains an active nonprofit health care system with a principal footprint in Massachusetts, a major academic and research role, and a network that combines hospital, physician, specialty, rehabilitation, behavioral-health, and community services.
- 2020
Partners HealthCare becomes Mass General Brigham
[3]The system adopts Mass General Brigham as its operating brand and public name.
- 2019
Anne Klibanski becomes chief executive
[2]Anne Klibanski assumes the role of president and chief executive officer.
- 1994
Partners HealthCare is established
[1]Massachusetts General Hospital and Brigham and Women’s Hospital create Partners HealthCare to coordinate their clinical, research, and educational activities.
Products and positioning
A nonprofit, academically oriented integrated health care system combining nationally recognized tertiary hospitals, community hospitals, specialty facilities, physician networks, research, and medical education.
Academic medical center
Massachusetts General Hospital
Massachusetts General Hospital is one of Mass General Brigham’s two founding academic hospitals. It provides comprehensive inpatient, outpatient, emergency, and highly specialized tertiary and quaternary services, while also serving as a major teaching and biomedical research institution affiliated with Harvard Medical School.
Academic medical center
Brigham and Women's Hospital
Brigham and Women’s Hospital is the second founding academic medical center. Its services include complex specialty and surgical care, women’s health, cardiovascular medicine, cancer care, transplantation, primary care, education, and research within the Harvard teaching-hospital environment.
Hospital network
Community and regional hospitals
The system’s broader network includes community and regional hospitals such as Newton-Wellesley Hospital, Salem Hospital, and Cooley Dickinson Hospital. These organizations provide local emergency, inpatient, outpatient, surgical, maternity, and specialty services and connect community care with the system’s academic referral centers.
Rehabilitation medicine
Spaulding Rehabilitation
Spaulding Rehabilitation provides inpatient and outpatient rehabilitation for people recovering from illness, injury, surgery, and disabling conditions. Its programs cover neurological, orthopedic, cardiac, pulmonary, pediatric, and other rehabilitation needs.
Behavioral health
McLean Hospital
McLean Hospital is a psychiatric and behavioral-health institution associated with the system. It provides inpatient, outpatient, residential, research, and educational programs addressing mental illness and substance-use conditions.
Brand decisions
2020
Rebrand from Partners HealthCare to Mass General BrighamStrategyBackground
The former Partners HealthCare name did not clearly communicate the relationship between the system and its two founding hospitals to the general public.
Action taken
The organization adopted Mass General Brigham as its system-wide name and brand.
Aftermath
The new identity was used across the system while member hospitals and institutions continued to retain their individual operating names.
Recent events
- 2020
Partners HealthCare adopts the Mass General Brigham name[3]
Other
The Massachusetts health system rebranded from Partners HealthCare to Mass General Brigham, emphasizing the identities of its two founding hospitals.
Mass General Brigham faces continuing scrutiny over health care consolidation and prices[5]
Regulation · Pricing
The system has been part of broader Massachusetts policy and regulatory debates concerning hospital consolidation, commercial prices, competition, and affordability.
Sources9 sources
- 1Mass General Brigham official historymassgeneralbrigham.org
- 2Mass General Brigham leadershipmassgeneralbrigham.org
- 3Partners HealthCare is now Mass General Brighammassgeneralbrigham.org
- 4Mass General Brigham hospitals and locationsmassgeneralbrigham.org
- 5Mass General Brigham faces continuing scrutiny over health care consolidation and pricesmass.gov
- 6Hospital, YouTube strike deal to promote trustworthy medical infowcvb.com
- 7Mass General Brigham Announces New Partnership with New England Patriots and New England Revolutionfinance.yahoo.com
- 8Mass General Brigham announces partnership with NE Patriots, NE Revolutionwickedlocal.com
- 9Partners HealthCare launches $30M AI, digital tech investment fund - Health Data Managementhealthdatamanagement.com
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