EMS Data Manager

Mark Roberts
EMS Systems Consultant
State of California
Emergency Medical Services Authority
Phone: (951) 295-9487


EMS Program Manager

Tom McGinnis, Chief
California EMS Authority
Phone: (916) 431-3695

California EMS Authority
10901 Gold Center Drive, Suite 400
Rancho Cordova, CA 95814

Health Website:
EMS Website: California EMS
Support Website:
Support Phone:

NEMSIS V3 Implementation Tools

Please refer to the California EMS Authority website and the CEMSIS page for details related to California NEMSIS 3 requirements and resources such as suggested lists:

State V3 Implementation Timeline

Information regarding the state transition to and implementation of the v3 Data Standard
was last updated on May 9, 2023.

  1. Planned time frame for Version 3.5.0 to “Go Live”: Q2 2023
  2. Planned time frame for all EMS agencies to move to Version 3.5.0: Q4 2023
  3. Planned closure date for receiving Version 3.4.0 data: 12/31/2023

Submission to the Version 3 National EMS Database:

Information regarding submission to the Version 3 National EMS Database was
last updated on May 9, 2023.

  • Date of First V3.5.0 Data Submission:
  • Month and Year of First Record(s) in the V3.5.0 Database (Unit Notified by Dispatch Date):

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Return To V3 Map