Contact Us Contact us Get in touch with us today. If you have questions about applying for a medical marijuana card online, our team is here to provide the answers and support you need. Submit your information, and we’ll respond without delay. Send A Message Please enable JavaScript in your browser to submit the form Email ussupport@mmtcoh.com Address815 Superior Ave Suite 1617, Cleveland, OH 44114 Call Us(216-710-5054)