Help Desk Back
For providers who need support and are already authorized to use the CIIS Resource Center, please login to the CIIS Resource Center and submit a support ticket by clicking the CIIS Help Desk tab.

If you are not an authorized user of the CIIS Resource Center, please contact the CIIS Help Desk.

CIIS Help Desk


Phone: 303-692-2437; option 2
Toll Free: 1-888-611-9918; option 1
Fax: 303-758-3640
Email: cdphe.ciis@state.co.us

Please do not email confidential patient information.


Mailing Address


Colorado Department of Public Health and Environment
Colorado Immunization Information System
DCEED-IMM-A3
4300 Cherry Creek Drive South
Denver, CO 80246