Emergency Medical Services


All Certification and Accreditation Applications
Must Now Be Completed Online!

  • Therefore, as of Tuesday, January 3, 2017 Walk-in Service is No Longer Available.
  • Revised Certification and Accreditation Information is available here.
  • To Complete Certification and Accreditation Applications: Visit the new CoSD LEMSIS Licensing Portal.
EMS Blue Line

CoSD LEMSIS: A New Data Collection System 

The County of San Diego EMS is working with local EMS partners to implement a new electronic, cloud-based data program, the CoSD Local EMS Information System (CoSD LEMSIS). The personnel credentialing module was activated January 3, 2017. More information about CoSD LEMSIS can be found here.

EMS Mission Statement

To ensure that all residents of and visitors to San Diego County receive timely and high-quality emergency medical services, specialty care, prevention services, disaster preparedness and response. Emergency Medical Services (EMS) is a branch of the Health and Human Services Agency Public Health Services Division. It is the 'local EMS agency', or LEMSA, as defined in California law.

State of California Emergency Medical Services Law Health & Safety Code Section 1797.200

California's EMS Act authorizes each county to develop an EMS program and to designate a local EMS agency (LEMSA) that oversees the delivery of EMS within that geographic area:




When to Call

San Diego County's emergency access number for fire, police or medical emergencies is "9-1-1". At times you may not be sure whether it is appropriate to use this emergency number for medical problems. 

Guidelines to help you know when to call 9-1-1.






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