EMS Data Manager

Maura Nakahata, MPH
EMS Epidemiologist, Emergency Medical Services Program
Phone: (202) 934-3853
E-mail: maura.nakahata@dc.gov

Health Emergency Preparedness and Response Administration (HEPRA)
District of Columbia Department of Health (DOH)
Government of the District of Columbia
2201 Shannon Place SE, 6th Fl.
Washington, DC 20020

Health Website: District of Columbia Department of Health (DOH)
EMS Website: District of Columbia EMS
Support Website:
Support Phone:

NEMSIS V3 Implementation Tools

State V3 Implementation Timeline

Information regarding the state transition to and implementation of the v3 Data Standard was last updated on April 6, 2022.

  1. Planned time frame for Version 3.5 to "Go Live": Q1 of 2023
  2. Additional Information on the transition timeline:
    We will be implementing the new v3.5 schema and launching v3.5 Between 8/1 and 8/31/23. Will will NOT accept 3.5 prior to 8/1 and we will STOP accepting 3.4 at the end of 8/31.

Submission to the Version 3 National EMS Database:

Information regarding submission to the Version 3 National EMS Database was last updated on April 8, 2021.

  • 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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