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A 2 minute read
Aug 26, 2015 4:12:43 PM

Merger and acquisition activity has grown exponentially among U.S. hospitals over the past several years, in an effort to curb costs for individual facilities and increase patient quality. In the last three months, Definitive Healthcare has tracked 42 instances of merger and acquisition news pieces between hospitals and health systems. With this activity mind, the largest health systems in the US have reached triple-digit numbers in member hospitals that are owned, leased, or in a full management contract with the system.

Definitive Healthcare tracks information on 923 health systems in the U.S. Here is a list of the top 10 largest health systems by number of member hospitals:

1. Hospital Corporation of America (HCA) – 196

2. Community Health Systems (CHS) – 171

3. Department of Veteran Affairs (Veterans Health Administration) – 165

4. Universal Health Services – 158

5. Catholic Health Initiatives (CHI) – 141

6. Ascension Health – 128

7. Select Medical Corporation – 125

8. Healthsouth – 116

9. Kindred Healthcare – 115

10. Tenet Healthcare – 90

Collectively, these systems contain 1,405 hospitals, or nearly 25% of all hospitals that are part of a health system. Beyond just hospitals, these health systems have acquired hundreds of additional providers through Physician Groups, Ambulatory Surgery Centers, Skilled Nursing Facilities, Home Health Agencies, Hospices, and Imaging Centers. Here is a breakdown of the health systems by total facility count:

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Interestingly, Kindred Healthcare can be viewed as the largest health system among the top 10 in total facility count, largely due to the number of Long Term Care facilities in the system, which includes 164 Skilled Nursing Facilities, 279 Home Health Agencies, and 104 Hospices.

Given the increased trend in merger and acquisition activity over the past couple years, one can expect to see these same systems continue to grow, in both member hospital count, and overall facility count.


Definitive Healthcare has the most up-to-date, comprehensive and integrated data on hospitals, physicians and other healthcare providers.  Our hospitals database tracks nearly 7,300 US hospitals and allows users to search by network, location, bed count, quality metrics, technology use and more.


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