Medical Marijuana Registry

For questions related to marijuana enforcement and MED regulations (such as METRC, point of sale, licensed center requirements, plant count and grow regulations), please contact the Colorado Department of Revenue’s Marijuana Enforcement Division.


Our mail in processing time is currently delayed.  We are processing mail-in applications received on Jan. 4, 2017. 
Did you know you can receive your card in approximately 2-3 days
by registering online? (

If you have mailed us a paper application or change request AFTER the date we are currently processing and have not yet received your card, you can complete the following steps to receive your card in approximately 2-3 days:
Step 1: Contact your physician and ask that they submit your physician certification using the new online system.
Step 2: Once your physician has submitted your physician certification online, login and complete your registration online at:
Note:  The $15.00 processing fee mailed in with your application will not be processed if you register online and submit the $15.00 processing fee online.
For technical assistance with locked accounts or resetting your password please call (303) 692-2184. For other support items email using the following "subject lines":
For information about the new online Medical Marijuana System please click on the "Patient," "Caregiver" or "Physician" links below.
Medical Marijuana Registry aggregate statistics and data.
Verify a purchaser's application isn't denied
Phone, email and drop box information (Note: As of March 1st, 2017 the Dropbox will be discontinued.)