Klarisana Psychedelic Therapies Share: Health Care Services Visit Website Request Info 916 S. Main St. Unit 208 Longmont, CO 80501 720-776-0500 About Map About We are a behavioral health company that offers ketamine-assisted psychotherapy to treat depression, anxiety, PTSD and other mental health conditions. What's Nearby? Distance: 5 10 15 20 25 50 mi.