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The 10 Largest Health Systems in the US

The American Hospital Association reported 1,887 hospital mergers between 1998 and 2021. Consolidation is reshaping the US healthcare market.

Doctors in a hurry caring for patient in emergency care unit of a hospital
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Becker’s Hospital Review compiled a view into the size of all health systems and individual hospitals in the country. Here is a list of the 10 largest health systems and hospitals, by total number of affiliated hospitals and bed count, respectively.

Largest health systems

Health SystemCorporate HeadquartersTotal Number of Hospitals
1HCA HealthcareNashville, TN184
2Veterans Health AdministrationWashington, D.C.172
3CommonSpirit HealthChicago, IL140
4AscensionSt. Louis, MO140
5LifePoint HealthBrentwood, TN124
6Trinity HealthLivonia, MI101
7Community Health SystemsFranklin, TN71
8Advocate HealthCharlotte, NC68
9Tenet HealthcareDallas, TX61
10Christus HealthIrving, TX61

Largest hospitals

HospitalLocationTotal Number of Beds
1AdventHealthOrlando, FL2,247
2Yale New Haven HospitalNew Haven, CT1,541
3Jackson Memorial HospitalMiami, FL1,500 +
4Cleveland ClinicCleveland, OH1,326
5Mayo Clinic Hospital - Saint Mary’s CampusRochester, MN1,265
6Atrium Health Carolinas Medical CenterCharlotte, NC1,220 
7Barnes-Jewish HospitalSt. Louis, MO1,259
8UAB HospitalBirmingham, AL1,207
9Mount Sinai HospitalNew York, NY1,139
10Miami Valley HospitalDayton, OH1,133

The trend towards consolidation

The Centers for Medicare and Medicaid Services (CMS) recently released data on trends from 2016 to 2022 in change of ownership for hospitals and nursing homes enrolled in Medicare.

Change in ownership is more common among nursing homes than among hospitals. Over the six year period studied, there were over 3,000 changes in ownership among skilled nursing facilities compared to just 347 changes in ownership among hospitals.

CMS is providing the data as a means to enable researchers and policy makers the ability to study how mergers, acquisitions, consolidations and changes of ownership impact access to care, pricing and care quality.

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  1. 100 of the largest hospitals and health systems in America | 2023. Becker’s Hospital Review. https://www.beckershospitalreview.com/rankings-and-ratings/100-largest-hospitals-and-health-systems-in-the-us-2023.html
  2. New CMS report delves into hospital consolidation trends. Benefits Pro. https://www.benefitspro.com/2022/04/22/new-cms-report-delves-into-hospital-consolidation-trends/?slreturn=20220611162900
  3. Health Care Consolidation: The Changing Landscape of the U.S. Healthcare System. https://www.rand.org/content/dam/rand/pubs/testimonies/CTA2700/CTA2770-1/RAND_CTA2770-1.pdf
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