Membership EligibilityJohn Muir Health Systems, Sutter Delta Medical Center, American Medical Response who work in Contra Costa County; employees of Sutter Solano Medical Facility who work in Vallejo; employees of American Medical Response. who work in Contra Costa County or Alameda County, or who are paid from Fremont; employees of First Hospital of Vallejo who work in Vallejo; employees of the following companies who work in Concord: CarePoint dba Alliance Home Care Management, Diablo Valley Surgery Center, Health and Fitness Institute of Mt. Diablo Medical Center, Homecare Oxygen & Medical Equipment Co., Home Health Care Medical Equipment, Med Veterinary lab; employees of MedWest who work in or are paid from Pittsburg; doctors and medical employees of doctors, who are on the medical staff of Mt. Diablo Medical Center, John Muir Medical Center, Los Medanos Community Hospital,Sutter Delta Medical Center, Sutter Solano Medical Center, First Hospital of Vallejo, and Diablo Valley Surgery Center; doctors and employees of Walnut Creek Ambulatory Surgery Center who work in Walnut Creek; employees of VHA Pacific, Inc. and its affiliate Muir Memorial Hospital, los Medanos Community Hospital, Sutter Delta Medical Center, Sutter Solano Medical Center, First Hospital of Vallejo, and Diablo Valley Surgery Center; doctors and employees of Walnut Creek Ambulatory Surgery Center who work in Walnut Creek; employees of VHA Pacific, Inc. and its affiliates, VHA Supply Company and PARTNERS National Health plans, who work in Walnut Creek; employees of the following companies who work in Pittsburg: Pittsburg Care Center & Pacific Regency Convalescent Hospital; employees of Contra Costa Magnetic Resonance Imaging who work in Pleasant Hill; employees of the following companies who work in Walnut Creek: Caridian Physician Services, Inc. & Elm Manor Care Center; employees of Tri-Valley Diabetes Center who work in Antioch; Intercontinental Services, Inc. wo work in or are paid from Martinez, California, spouses of persons who died while within the FOM; employees of this CU; persons retired as pensioners or annuitants from the above employment; members of their immediate families; and organizations of such persons.