If you are a healthcare provider with an office location in Contra Costa County and/or Alameda County and you are interested in joining the John Muir Health Physician Network, please complete this online form. Please note, we do not accept pre-application forms for Nurse Practitioners and Physician Assistants. For information on applying to a John Muir Health facility (i.e. Medical Center/Hospital, Behavioral Health Center), please contact the Consolidated Credentialing Department at CCD@johnmuirhealth.com.