Colorado medical marijuana certification clinic Med Cards Associates is a medical marijuana certification clinic and offers patients, caregivers, and physicians guidance on the use of cannabis for various conditions. If you or a loved one are looking for MMJ doctors in Colorado Pueblo, our physicians have been providing compassionate and professional medical care for many years. Marijuana is a unique product because its not just one drug, but a variety of different chemicals that work together to create the effects you feel when using marijuana. We can help you stay educated on the proper use of medicinal cannabis.