Our History

NorthBay Healthcare has a long tradition of service to Solano County, continually improving and expanding services to meet the growing community’s needs. The origins of NorthBay Healthcare date back to 1956.

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Community leaders from Fairfield and Vacaville initiated a fund drive to build a hospital that would service families throughout upper Solano County.


The 32-bed, nonprofit Intercommunity Memorial Hospital brings in staff and prepares to open.


Intercommunity Memorial Hospital starts seeing patients.

fund raising


Community growth sparked construction of a new health care facility, now called Intercommunity Hospital.


Intercommunity Hospital expanded to 108 beds.


The need for a hospital in Vacaville became apparent and a capital campaign began.

Vacaville intercommunity hospital model


Intercommunity Hospital added a Neonatal Intensive Care Unit.


A corporate reorganization changed the organization's name to NorthBay Healthcare. Intercommunity Hospital became NorthBay Medical Center.


NorthBay Healthcare opened the 50-bed NorthBay VacaValley Hospital following a $1.2 million community fund-raising project.


An addition to NorthBay Medical Center included a larger maternity department featuring labor/delivery/recovery rooms (LDRs), a larger Neonatal Intensive Care Unit (NICU), a larger ER and a state-of-the-art critical care unit, bringing the hospital to a 132-bed capacity.


New NorthBay Medical Center Emergency Department opens.

The NorthBay Center for Primary Care opens its first medical office in Vacaville.


New NorthBay VacaValley Hospital Emergency Department expansion opened.

northbay admin building


NorthBay Healthcare administration building opens in Green Valley.


The NorthBay Heart & Vascular Center brings advanced cardiac treatment to Solano County.


NorthBay Center for Women’s Health, an integrated program tailored exclusively for women, opens on the NorthBay Medical Center campus.

Robots link NorthBay hospitals to Dignity Health’s Neurological Institute stroke network.


NorthBay Medical Center becomes the first Level III Trauma Center in Solano County.

NorthBay Medical Center becomes a receiving center for patients suffering heart attacks (STEMI).


NorthBay Cancer Center celebrates its 25th Anniversary.

NorthBay Medical Center becomes an accredited Chest Pain Center with PCI.


NorthBay Center for Neuroscience is established at NorthBay Medical Center.

NorthBay Medical Center opens a second cardiac catheterization lab.


NorthBay Healthcare opens a new medical office and moves in its Green Valley Center for Primary Care, as well as Gastroenterology and Hospice & Bereavement. The new building is on the same campus as NorthBay’s Green Valley Administration Center.

NorthBay Medical Center is designated as a Baby-Friendly facility.

Both NorthBay Healthcare hospitals earn advanced status as Primary Stroke Centers.

NorthBay Medical Center earns verification as a Level II Trauma Center.

northbay vacavalley wellness center


NorthBay Medical Center and NorthBay VacaValley Hospital earn the coveted "Magnet" designation for nursing excellence from the American Nurses Credentialing Center.

NorthBay breaks ground as construction begins on a wellness center and medical fitness center on the NorthBay VacaValley Hospital campus.

NorthBay Healthcare opens its Hilborn Administration Center in Fairfield, with Employee and Occupational Health offices.


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NorthBay Healthcare joins the Mayo Clinic Care Network.

NorthBay Healthcare opens its medical fitness center, HealthSpring Fitness.

The NorthBay Cancer Center moves from Fairfield to Vacaville and anchors the newly opened VacaValley Wellness Center.

A spacious new Welcome Pavilion opens at NorthBay Medical Center.


A three-phase Emergency Department expansion begins at NorthBay Medical Center.

Longtime NorthBay President and CEO Gary Passama retires after 35 years; B. Konard Jones step into the role.


NorthBay Healthcare opens its first NorthBay Urgent Care Clinic at the Nut Tree Plaza in Vacaville.

NorthBay Center for Orthopedics, Rehabilitation and X-ray opens under one roof on the Hilborn campus in Fairfield.

NorthBay Healthcare partners with OLE Health, opening a federally qualified medical clinic in NorthBay Health Plaza in Fairfield.

north wing


A new, state-of-the-art North Wing opens at NorthBay Medical Center in Fairfield. The three-story addition features eight surgical suites, 22 new patient rooms, an expanded Central Sterile department, the Shaw Family Kitchen and top-level diagnostic equipment. Patient beds now number 154.

NorthBay again is certified as a Baby-Friendly Hospital.

NorthBay begins its robotic surgery program.


NorthBay Medical Center works with Travis Air Force Base, the Centers for Disease Control and Prevention and state and local public health departments to care for any medical needs of evacuees from China, and later evacuees from a cruise ship afflicted with COVID-19.

NorthBay VacaValley Hospital treats the first patient in the country who acquired COVID-19 through community spread.

NorthBay Urgent Care opens a second location, this one in Fairfield, a block from NorthBay Medical Center. The two Urgent Care facilities play a key role in conducting COVID-19 testing.