Adventist Health
A nonprofit healthcare system affiliated with the Seventh-day Adventist Church and operating hospitals and other care facilities across the western United States.
Last updated October 16, 2026
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Overview
Adventist Health, formally associated with Adventist Health System/West, is a nonprofit healthcare organization affiliated with the Seventh-day Adventist Church. It operates hospitals, clinics, outpatient facilities, and related healthcare services in the western United States, principally in California, Oregon, and Hawaii. The organization is headquartered in Roseville, California, and is structured as a regional health system rather than a publicly traded corporation. The system emerged from the Seventh-day Adventist Church's reorganization of its United States healthcare institutions. During the 1960s, church leadership transferred hospital ownership to local conferences. In 1972, the church centralized management of its healthcare facilities through Adventist Health Systems, while regional church entities established operating and management organizations. The Northwest Medical Foundation and Adventist Health Services were subsequently combined in 1980 to form Adventist Health System/West. The organization adopted the Adventist Health name in 1995. Adventist Health's development has reflected the needs of communities that include both large population centers and smaller or rural markets. Its hospital network has historically included numerous community hospitals in California, together with facilities in Oregon and Hawaii. The organization has also operated clinics and outpatient services intended to extend care beyond its inpatient hospitals. Its offerings include general hospital care and related medical services, although the detailed mix of specialties varies by facility. The organization's headquarters was moved from Los Angeles to Roseville in 1982, partly because leadership believed a more centrally positioned base would better support smaller hospitals. A new shared-service center in Roseville replaced the corporate office opened in 1985 in 2019. That same year, the organization was among six recipients of the Malcolm Baldrige National Quality Award for Performance Excellence, a recognition tied to organizational quality and performance standards rather than public-company financial performance. Adventist Health has also changed its facility mix over time. Adventist Health Feather River, a 101-bed hospital in Paradise, California, began operations in 1950 as Feather River Hospital and was acquired by Adventist Health in 1973; it closed in 2018 after the Camp Fire destroyed the hospital. Fremont Memorial Hospital in Yuba City also closed in 2017. In 2024, Adventist Health expanded its Central Coast presence by purchasing Sierra Vista Regional Medical Center in San Luis Obispo and Twin Cities Community Hospital in Templeton from Tenet Healthcare for $550 million, then assuming management of the two hospitals. As a nonprofit regional system, Adventist Health's identity combines community healthcare delivery, church affiliation, and a geographically concentrated network across the western United States.
History
Adventist Health developed from the Seventh-day Adventist Church's effort to organize and manage healthcare institutions in the United States. During the 1960s, the church's General Conference transferred hospital ownership to local conferences. In 1972, church leadership centralized management through Adventist Health Systems. Regional church entities then transferred hospitals into newly organized structures, including the Northwest Medical Foundation and Adventist Health Services at the union level. These regional organizations were combined in 1980, creating Adventist Health System/West. The organization adopted the Adventist Health name in 1995 and continued operating as a nonprofit healthcare system affiliated with the Seventh-day Adventist Church. Its geographic focus became the western United States, particularly California, Oregon, and Hawaii, where it operated community hospitals, clinics, and other healthcare facilities. The location of the system's corporate base changed during its development. Although the headquarters had been in Los Angeles, the organization moved it to Roseville, California, in 1982. The move reflected concern that smaller hospitals could be overlooked if the system were managed primarily from a large metropolitan center. A corporate office opened in 1985, and a new Roseville shared-service center replaced that office in 2019. Adventist Health's facility network has changed through closures and acquisitions. Adventist Health Feather River, a 101-bed hospital in Paradise, California, had begun operations in 1950 as Feather River Hospital and was acquired by Adventist Health in 1973. It closed in 2018 after the Camp Fire destroyed the hospital. Fremont Memorial Hospital in Yuba City also closed in 2017. In 2019, Adventist Health's headquarters was one of six organizations to receive the Malcolm Baldrige National Quality Award for Performance Excellence. The recognition was connected to organizational quality and performance standards, rather than to public-company financial performance. On February 29, 2024, Adventist Health agreed to purchase Sierra Vista Regional Medical Center in San Luis Obispo and Twin Cities Community Hospital in Templeton from Tenet Healthcare for $550 million. Adventist Health assumed management of the two hospitals on March 29, expanding its Central Coast presence. The system remains a nonprofit healthcare provider whose activities center on hospital care, outpatient medicine, clinics, and community health services across three western U.S. states.
- 2024
Two Central Coast hospitals were acquired from Tenet Healthcare
[1]Adventist Health purchased Sierra Vista Regional Medical Center and Twin Cities Community Hospital from Tenet Healthcare.
- 2019
Roseville shared-service center opened
[1]A new shared-service center replaced the organization's earlier Roseville corporate office.
- 2019
Malcolm Baldrige National Quality Award received
[1]Adventist Health's headquarters was among six organizations recognized with the Malcolm Baldrige National Quality Award for Performance Excellence.
- 2018
Adventist Health Feather River closed after the Camp Fire
[1]The Paradise hospital was closed after the Camp Fire destroyed the 101-bed facility.
- 2017
Fremont Memorial Hospital closed
[1]Fremont Memorial Hospital in Yuba City, California, closed.
- 1995
The Adventist Health name was adopted
[1]Adventist Health System/West changed its name to Adventist Health.
- 1982
Headquarters moved to Roseville
[1]The organization's headquarters moved from Los Angeles to Roseville, California, in an effort to provide stronger support for smaller hospitals.
- 1980
Adventist Health System/West was formed
[1]The Northwest Medical Foundation and Adventist Health Services organizations were merged to create Adventist Health System/West.
- 1973
Feather River Hospital was acquired
[1]Adventist Health acquired Feather River Hospital in Paradise, California, which had been established in 1950.
- 1972
Adventist Health Systems was created
[1]The church centralized management of its healthcare facilities through Adventist Health Systems, establishing the organizational framework from which Adventist Health developed.
Products and positioning
A nonprofit, community-oriented healthcare system with a Seventh-day Adventist affiliation and a strong presence in western U.S. hospital markets.
Healthcare services
Hospitals
Hospitals are the core of Adventist Health's operating model. The system runs community hospitals that provide inpatient, emergency, diagnostic, surgical, and related medical services. Its network has been concentrated in California while also including facilities in Oregon and Hawaii. The exact service mix differs by location, reflecting the needs of individual communities and market sizes.
Healthcare services
Clinics and outpatient care
Adventist Health operates clinics and outpatient facilities that extend care beyond its hospitals. These services provide community access to primary, specialty, diagnostic, and follow-up care. Available reference material confirms the outpatient and clinic role but does not provide a complete facility-by-facility list of specialties or programs.
Healthcare services
Community healthcare services
The system's broader offering consists of healthcare services delivered through hospitals, clinics, and associated facilities in western U.S. communities. Its nonprofit and church-affiliated structure positions these services as part of a regional care network rather than as a consumer product sold under a conventional commercial brand.
Brand decisions
2024
Acquire Sierra Vista and Twin Cities hospitalsM&ABackground
Adventist Health sought to expand its hospital presence on California's Central Coast.
Action taken
On February 29, Adventist Health purchased Sierra Vista Regional Medical Center and Twin Cities Community Hospital from Tenet Healthcare for $550 million, then assumed management on March 29.
Aftermath
The transaction expanded Adventist Health's operating footprint to include the two Central Coast hospitals.
Purchase price. $550 million (February 29, 2024 transaction)
1995
Adopt the Adventist Health brandStrategyBackground
The organization had operated as Adventist Health System/West since its formation in 1980.
Action taken
The organization changed its name to Adventist Health.
Aftermath
Adventist Health became the principal public-facing identity for the western regional healthcare system.
1982
Move the headquarters to RosevilleStrategyBackground
Leadership was concerned that smaller hospitals could be neglected when the organization was headquartered in Los Angeles.
Action taken
The headquarters was relocated from Los Angeles to Roseville, California.
Aftermath
Roseville became the system's continuing headquarters and later hosted its shared-service center.
Recent events
Adventist Health rolls out BrainScope device[3]
Reported:
Adventist Health demonstrated and began rolling out the BrainScope medical device at its hospitals to triage patients with mild head injuries; its hospitals were the first on the West Coast to roll out the device.
Sources3 sources
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