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. 2022 Nov 29;22:1448. doi: 10.1186/s12913-022-08623-w

Table 1.

Key health system facts for cases included in the final sample

Health System Region Facilities and size Populations Served
Geisinger Headquartered in Danville, Pennsylvania with facilities throughout Pennsylvania with affiliates in Delaware, Maine, and New Jersey.a The organization includes 13 hospital campusesb and more than 84 primary and specialty care sites.c 1.4 million patients annually, including approximately 583,000 Geisinger health plan members.d
30,609 employees,d including 1800 physiciansb and more than 4500 nurses.c Annually, these employees manage approximately 106,000 inpatient admissions and 6.4million clinic visits.d Their service area covers approximately 45 counties with a population of more than 3 million.e
Kaiserf,g Headquartered in Oakland, California with facilities throughout the Western United States with additional service areas of Hawaii, Georgia and the greater Washington, D.C. and Baltimore area. 39 hospitals and 706 medical offices. Serves 12.2 million plan members.
218,297 employees including approximately 23,000 physicians and 60,000 nurses.
Cleveland Clinich,i Headquartered in Cleveland, Ohio, with facilities primarily in northeast Ohio and several smaller services areas in Southeast Florida and Nevada as well as international locations in Canada and Abu Dhabi 18 hospitals and 210 outpatient locations Serves 2.4 million patients annually.
67,554 employees, including 4520 physicians and scientists, and 14,458 nurses. 51,731 of these employees are based in Ohio. Their primary service area includes 21 counties in northeast Ohio covering a regional population of approximately 4.4 million.
Mayo Clinicj,k Headquartered in Rochester, Minnesota at their flagship campus, they also have large campuses in Arizona and Florida. Operates at least 22 hospitals and 76 outpatient facilities. Facilities serve 1.2 million patients annually.
In addition, Mayo Clinic owns a regional health network called the “Mayo Clinic Health System” which directly operates or partners with facilities across Minnesota, Wisconsin, and Iowa.l 65,000 employees with 4800 are physicians and scientists. Their flagship campus accounts for more than half of these employees, staffing 36,330 with 2543 physicians. Mayo Clinic considers its three campuses “destination medical centers”, reporting patients arriving from 138 countries.

aOur service area. (n.d.) Geisinger. Retrieved June 18, 2020 from https://www.geisinger.org/health-plan/about/service-areas

bCommunity Health Needs Assessment. (2018). Geisinger. Retrieved June 18, 2020 from https://www.geisinger.org/about-geisinger/in-our-community/chna

cTransforming Healthcare Through Continuous Innovation: 2014 System Report. (2014). Geisinger. Retrieved June 18, 2020 from https://www.geisinger.org/-/media/OneGeisinger/pdfs/ghs/about-geisinger/news-and-media/annual-reports/77219-1-2014SystemReport-Rev15-spreads.pdf?la=en

dGeisinger 2017 Annual Report: Changing the face of healthcare. (2017). Retrieved June 18, 2020 from https://www.geisinger.org/-/media/OneGeisinger/pdfs/ghs/about-geisinger/news-and-media/annual-reports/87179-Geisinger-AR_2017_final5_spreads.pdf?la=en

eFor media: Fast facts. (n.d) Geisinger. Retrieved June 18, 2020 from https://www.geisinger.org/about-geisinger/news-and-media/for-media

fAbout: Fast facts. (n.d). Kaiser Permanente. Retrieved June 18, 2020 from https://about.kaiserpermanente.org/who-we-are/fast-facts

g2018 Annual Report. (2018). Kaiser Permanente. Retrieved June 18, 2020 from https://healthy.kaiserpermanente.org/static/health/annual_reports/kp_annualreport_2018/

hState of the Clinic 2019. (2019). Cleveland Clinic. Retrieved June 18, 2020 from https://my.clevelandclinic.org/-/scassets/files/org/about/who-we-are/state-of-the-clinic.ashx?la=en

iGovernance & Leadership. (n.d.) Cleveland Clinic. Retrieved June 18, 2020 from https://my.clevelandclinic.org/about/overview/leadership

jFacts and highlights. (2011). Mayo Clinic. Retrieved June 18, 2020 from https://www.mayoclinic.org/documents/mc2045-pdf/doc-20078949

kAn Inside Look at Mayo Clinic. (2019). Retrieved June 18, 2020 from https://mcforms.mayo.edu/mc7300-mc7399/mc7360.pdf and Fast facts

l2017 Report to Our Community. (2017). Mayo Clinic Health System. Retrieved June 18, 2020 from https://www.mayoclinichealthsystem.org/-/media/local-files/la-crosse/la-crosse-live-pdf-files/report-to-community-2017.pdf?la=en&rev=7f42ea5c795c4ee3af77be36b290f6de&hash=FF69E18843229B2092F3586F81B75067