WEMSIS is a comprehensive pre-hospital
patient care data collection, analysis,
and reporting system.

Integrative Care

The Washington EMS Information System is Washington State's prehospital data repository for electronic patient care records. For more information, visit our Department of Health WEMSIS Companion Site.

Access to electronic prehospital data allows users to assess, evaluate, analyze, and improve the State's EMS system at all levels: local, county, region, and state.


System Login

Click here
if you forgot your password

Note: ImageTrend is unable to provide users with permissions-based requests (i.e. Active or Lock Status changes, Usernames, Passwords, Permission Level Changes, etc.). Please contact your State or Service Administrator if you need further assistance.
     Don't have a password yet?
       Follow these easy steps to activate your account:
  1. If your service currently uses electronic patient records, contact your software vendor to ensure they are compatible with WEMSIS.
  2. Contact us at wemsis@doh.wa.gov.  Be prepared to provide some staff and service related information.  Once we activate your account, we will provide you with a password.
  3. Log in and familiarize yourself with WEMSIS.

EMS Regions