25 Largest Nonprofit Hospital Systems

Here are 25 of the largest nonprofit health systems in the country, ranked in descending order by the number of hospitals in the system. The following list was devised with data from the American Hospital Directory and each health system's respective website and/or public relations department.

Editor's note: Figures represent the number of acute-care hospitals in the system, which may include specialty hospitals and children's hospitals. Outpatient care settings and clinics are not included. This list does not include public or government-owned hospital systems.

1. Ascension Health (St. Louis) — 100
2. Catholic Health Initiatives (Denver) — 86
3. CHE/Trinity (newly merged entity between Trinity Health in Novi, Mich., and Catholic Health East in Newton Square, Pa.) — 82
4. Adventist Health System (Altamonte Springs, Fla.) — 43
5. Dignity Health (San Francisco) — 38
6. Kaiser Foundation Hospitals (Oakland, Calif.) — 37
7. Carolinas Healthcare System (Charlotte, N.C.) — 35
8. Sanford Health (Sioux Falls, S.D. and Fargo, N.D.) — 35
9. Mercy (Chesterfield, Mo.) — 32
10. Providence Health System (Seattle) — 32
11. Avera Health (Sioux Falls, S.D.) — 31
12. CHRISTUS Health (Irving, Texas) — 31
13. UnityPoint (Formerly Iowa Health System) (Des Moines) — 29
14. Baylor Health Care System (Dallas, Texas) — 27
15. Banner Health (Phoenix) — 24
16. Catholic Healthcare Partners (Cincinnati) — 24
17. Sutter Health (Sacramento, Calif.) — 24
18. Mayo Clinic Health System (Rochester, Minn.) — 23
19. Intermountain Healthcare (Salt Lake City) — 22
20. University of Pittsburgh Medical Center — 22
21. Adventist Health (Roseville, Calif.). — 19
22. Bon Secours Health System (Marriottsville, Md.) — 19
23. IU Health (Indianapolis) — 19
24. SSM Health Care (St. Louis) — 18
25. NewYork-Presbyterian Healthcare System — 16

Editor's note: An earlier version of this list mistakenly reported that Ascension had 71 acute-care facilities. That figure is actually 100, making it the largest system on the list. An earlier version also reported Mountain States Health Alliance as the 26th system with 15 hospitals. Mountain States Health Alliance actually has 13 hospitals, with a 14th soon to be added to the system. Milwaukee-based Aurora Healthcare and its 15 hospitals was removed from the original listing upon the addition of University of Pittsburgh Medical Center and its 22 hospitals. We regret these errors.

More Articles on Hospitals and Health Systems:

50 Largest Hospitals in America
50 Largest For-Profit Hospitals in America
50 Largest Nonprofit Hospitals in America

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