Medical Marijuana center information

For information about the licensing and regulation of Marijuana Centers, please contact the Department of Revenue's Marijuana Enforcement Division at: 303-205-8421
Check voided, denied, and revoked patient registry card numbers
NEW! Type a card number to see if it has been voided, denied, or revoked. This list is updated daily.
Card file format changing
The patient and caregiver registry identification card formats will be changing to an image file format. All cards downloaded after the change will be in an image file format instead of a PDF. For further questions and compliance tips, please contact the Department of Revenue’s Marijuana Enforcement Division
  • This feature was originally scheduled to be implemented on August 28, 2018 but has been postponed as we work to ensure the feature works as best as it can. Thank you for your understanding.