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Oklahoma Medical Marijuana Authority

Call Center: 405-522-6662

Call Center Hours of Operation:
8:30 a.m. - 4:30 p.m. weekdays (closed on state holidays)


Business Complaints: Complete and submit the OMMA Business Complaint Form if you want to file a complaint on a licensed medical marijuana business. Please make sure to provide as much detail as possible. Complaints will be investigated in the order in which they are received, unless the complaint presents a threat to public health and safety.


  • For patient license questions or concerns, please call the OMMA Call Center at 405-522-6662 or email us at
  • For information about product recalls, please email
  • Please Note: All application status updates are automatically sent to the email address provided in the application, including rejections. If your application is rejected after OMMA reviews your application, you will be able to make changes to your application once you receive the rejection email.


  • Please email for questions about completing the OMMA physician registry or eligibility guidelines for recommending medical marijuana to patients.

Speaker Requests

If you would like someone from the OMMA to speak at an event, fill out the OMMA Speaker Request Form. We prefer at least three weeks' notice ahead of speaking engagements. Please allow three business days for a response. For other engagement opportunities, please email

Last Modified on Jun 28, 2022
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