Mount Sinai Health System
Corporate brand
UnclaimedMount Sinai Health System is a New York City-based nonprofit integrated academic health system comprising hospitals, ambulatory facilities, physician practices, research programs, and the Icahn School of Medicine at Mount Sinai.
Last updated November 4, 2026
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Overview
Mount Sinai Health System is a nonprofit academic medical system centered in New York City. It was established in 2013 through the combination of the Mount Sinai Medical Center and Continuum Health Partners, bringing together Mount Sinai Hospital and several hospitals formerly operated through Continuum. The system’s institutional roots are older: Mount Sinai Hospital opened in Manhattan in the nineteenth century, while several component hospitals have histories extending into the nineteenth and early twentieth centuries. The organization operates as an integrated health system rather than as a single hospital. Its activities include inpatient and emergency care, outpatient medicine, specialty and subspecialty services, ambulatory surgery, rehabilitation, behavioral health, community health programs, medical education, biomedical research, and clinical trials. Its principal academic partner is the Icahn School of Medicine at Mount Sinai, which conducts research and trains physicians, scientists, nurses, and other health professionals. The system also supports graduate medical education and a broad network of faculty and community physicians. The flagship institution is The Mount Sinai Hospital on the Upper East Side of Manhattan. Other major New York City facilities and brands have included Mount Sinai Morningside, Mount Sinai West, Mount Sinai Beth Israel, Mount Sinai Brooklyn, New York Eye and Ear Infirmary of Mount Sinai, and Mount Sinai South Nassau on Long Island. The system has also operated or affiliated with ambulatory, rehabilitation, specialty, and community-based sites. Service lines span cardiology, cancer, neurosciences, transplantation, orthopedics, women’s and children’s health, geriatrics, gastroenterology, emergency medicine, and population health. Mount Sinai’s positioning combines tertiary and quaternary referral care with a large urban delivery network. The system treats patients from New York and the wider region while serving local communities through primary care, emergency departments, outpatient clinics, and public-health initiatives. Its research identity is particularly associated with precision medicine, genomics, immunology, artificial intelligence, neuroscience, cancer, and health-equity research, although the scope of its academic work is much broader. The system has faced the operational pressures common to large urban hospitals, including high labor costs, capital requirements, uneven demand across campuses, and the financial effects of the COVID-19 pandemic. It has consequently pursued restructuring, service-line changes, outpatient expansion, partnerships, and cost-management measures. In 2024, longtime chief executive Kenneth L. Davis was succeeded by Brendan G. Carr, marking a leadership transition after more than a decade of system development under Davis. Mount Sinai remains a private nonprofit health system and is not a publicly traded company.
History
The history of Mount Sinai Health System combines the development of Mount Sinai Hospital with that of several independent New York hospitals that later became part of a common organization. Mount Sinai Hospital was founded in Manhattan in the nineteenth century to provide care to Jewish immigrants and other underserved New Yorkers. It evolved into a major teaching and research hospital and later became the central institution of the Mount Sinai Medical Center. The medical center developed close ties with medical education and research, ultimately becoming associated with the Icahn School of Medicine at Mount Sinai. Other component institutions followed separate paths. Continuum Health Partners was created in the 1990s through the consolidation of several New York hospitals, including Beth Israel Medical Center, St. Luke’s-Roosevelt Hospital Center, and New York Eye and Ear Infirmary. These hospitals served dense Manhattan and Brooklyn communities and maintained their own clinical identities, specialties, and local relationships. Their combination with Mount Sinai reflected the broader movement toward integrated delivery systems in the New York market, where hospitals sought scale in purchasing, information technology, physician organization, specialty care, and population health. In 2013, Mount Sinai Medical Center and Continuum Health Partners combined to form Mount Sinai Health System. The transaction brought the institutions under a common governance and operating structure while preserving recognizable hospital and specialty brands. The new system was designed to link community hospitals and ambulatory care with a major academic medical center, allowing patients to move among primary, specialty, inpatient, and highly complex referral services. Kenneth L. Davis, who had led Mount Sinai Medical Center, became the system’s chief executive. During the following decade, Mount Sinai invested in clinical integration, research capacity, outpatient facilities, digital health, and specialty programs. It expanded its regional presence through institutions such as Mount Sinai South Nassau and maintained a large network of physician practices and ambulatory locations. The Icahn School of Medicine remained a core part of the enterprise, supporting research in genomics, neuroscience, cancer, immunology, artificial intelligence, and other fields while providing the academic workforce for the hospitals. The COVID-19 pandemic placed exceptional pressure on the system’s New York hospitals in 2020. Mount Sinai became prominent in clinical treatment, public communication, epidemiological work, and research on testing, therapeutics, immunity, and post-acute illness. The pandemic also exposed the financial and operational vulnerability of urban hospital systems, contributing to later efforts to redesign services, improve efficiency, and balance inpatient capacity with outpatient and community care. Mount Sinai’s subsequent strategy has included concentration of some complex services, ambulatory growth, digital and virtual care, systemwide quality initiatives, and closer coordination among hospitals and physician practices. Some campus plans, especially those involving Mount Sinai Beth Israel, have generated public and regulatory scrutiny because of their effects on emergency and inpatient capacity in Lower Manhattan. In 2024, Brendan G. Carr became president and chief executive officer, succeeding Davis. The system continues to operate as a private nonprofit academic health system serving New York City and surrounding communities.
- 2024
Brendan Carr becomes chief executive
[5]Brendan G. Carr succeeded Kenneth L. Davis as president and chief executive officer.
- 2020
COVID-19 response
[4]The system became a major New York clinical and research center during the COVID-19 pandemic.
- 2014
Mount Sinai South Nassau joins the system
[1]South Nassau Communities Hospital became affiliated with Mount Sinai and was subsequently branded Mount Sinai South Nassau.
- 2013
Mount Sinai Health System is created
[1]Mount Sinai Medical Center and Continuum Health Partners completed a combination creating the present integrated health system.
- 1997
Continuum Health Partners is formed
[1]Several New York hospitals were brought together under Continuum Health Partners, one of the organizations that later combined with Mount Sinai.
- 1852
Mount Sinai Hospital is founded
[1]Mount Sinai Hospital was established in Manhattan with a mission that included care for underserved immigrant communities.
Products and positioning
A nonprofit, research-intensive academic health system combining major tertiary and quaternary hospitals with an extensive New York metropolitan outpatient and community-care network.
Academic tertiary and quaternary hospital · 1852
The Mount Sinai Hospital
The system’s flagship Manhattan hospital and principal referral center. It provides broad inpatient and emergency services, advanced surgery, cancer care, transplant medicine, cardiovascular care, neurosciences, women’s and children’s services, and other complex specialties, alongside medical education and research.
Urban acute-care hospitals
Mount Sinai Morningside and Mount Sinai West
Two Manhattan hospitals serving communities on the west side of the borough. Their services include emergency and inpatient medicine, surgery, maternity and women’s health, behavioral health, cardiology, orthopedics, and other specialty and community-care programs.
Community teaching hospital
Mount Sinai Beth Israel
A Lower Manhattan hospital with roots in Beth Israel Medical Center. It provides emergency, inpatient, ambulatory, and specialty care and has been the subject of plans to redesign and consolidate parts of its campus and service footprint.
Specialty hospital
New York Eye and Ear Infirmary of Mount Sinai
A specialist institution focused on ophthalmology and otolaryngology, providing surgical, diagnostic, and outpatient care as part of the Mount Sinai system.
Regional community hospital · 2014
Mount Sinai South Nassau
The system’s Long Island hospital in Oceanside, serving Nassau County with emergency, inpatient, surgical, maternity, cardiovascular, cancer, and other regional services.
Medical school and research institution · 1963
Icahn School of Medicine at Mount Sinai
Mount Sinai’s principal academic institution, responsible for physician and scientist education, graduate medical training, biomedical research, and clinical collaboration across the health system.
Marketing campaigns
- 2020Mount Sinai COVID-19 response
New York City · New York State
The system coordinated emergency clinical operations, testing, treatment, public information, and research during the first major COVID-19 waves in New York.
Outcome. Mount Sinai became a prominent clinical and research participant in the pandemic response, including work on immunity, therapeutics, vaccination, and post-COVID conditions.
Brand decisions
2024
Change system chief executiveStrategyBackground
After more than a decade of expansion and integration under Kenneth Davis, the system entered a new leadership phase.
Action taken
Mount Sinai appointed Brendan G. Carr as president and chief executive officer.
Aftermath
Carr assumed responsibility for the system’s clinical, academic, workforce, and financial strategy.
2020
Redirect operations toward pandemic careStrategyBackground
New York City experienced a rapid surge in COVID-19 cases that placed extraordinary demand on hospitals and intensive-care capacity.
Action taken
Mount Sinai expanded and reorganized clinical capacity while coordinating testing, treatment, research, and public-health activities across its institutions.
Aftermath
The response generated clinical experience and research findings but also contributed to longer-term operational and financial pressures common to large urban systems.
2013
Combine Mount Sinai Medical Center with Continuum Health PartnersM&ABackground
Both organizations operated major New York hospitals and sought greater integration, scale, and coordination across academic, specialty, and community care.
Action taken
They completed a combination and created Mount Sinai Health System under common governance.
Aftermath
The new system became one of New York’s largest nonprofit academic health organizations while retaining multiple hospital and specialty brands.
Recent events
Reported
Mount Sinai launches MyMountSinai app[6]
Mount Sinai Health System launched MyMountSinai, a mobile application that lets patients manage medical information, communicate with doctors, and access health-system services. The app includes vaccination-card uploads, appointments with new doctors, and navigation at select hospitals.
Reported
Mount Sinai appoints Beth Oliver as senior vice president and chief nursing executive[7]
Mount Sinai Health System appointed Beth Oliver, DNP, RN, as senior vice president and chief nursing executive in a newly created role.
Reported
Mount Sinai introduces STOP COVID NYC app[8]
Mount Sinai said it had developed the STOP COVID NYC mobile app, which lets New York City residents track the distribution of confirmed COVID-19 cases and report symptoms through follow-up surveys.
Reported
Mount Sinai launches N1 wellness app[9]
Mount Sinai Health System announced the launch of N1, a free iPhone app that lets individuals compare the effects of wellness-related treatments using an n-of-1 trial approach.
Reported
Onegevity acquires global licensing rights to Lab100[10]
Onegevity Health acquired the global licensing rights to Mount Sinai's Lab100 clinic and research lab.
Sources12 sources
- 1Mount Sinai Health System — Aboutmountsinai.org
- 2Mount Sinai Health System — Leadershipmountsinai.org
- 3Icahn School of Medicine at Mount Sinai — Leadershipicahn.mssm.edu
- 4Mount Sinai COVID-19 information and responsemountsinai.org
- 5Mount Sinai announces Brendan Carr as president and CEOmountsinai.org
- 6Mount Sinai 推出 MyMountSinai 应用程序prweb.com
- 7Mount Sinai任命Beth Oliver为高级副总裁兼首席护理执行官prweb.com
- 8西奈山推出 STOP COVID NYC 应用程序epochtimes.com
- 9Mount Sinai推出N1健康应用prweb.com
- 10Onegevity取得Lab100全球许可权prnewswire.com
- 11Mount Sinai launches COVID-19 app to help track virus across NYCwestchester.news12.com
- 12Mount Sinai Launches New App to Track COVID-19 in NYC, Asks All New Yorkers to Helpnbcnewyork.com
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