ChamberMaster Template Mossbrae Medical Group P.C. Share: Medical Services Mossbrae Medical Group P.C. Visit Website 234 Gateway Park Rd. Suite A Mount Shasta, CA 96067 (530) 240-4855 About Map About Mossbrae Medical Group provides cutting-edge ketamine infusion therapy for treatment resistant depression, PTSD, anxiety, and chronic pain syndromes such as CPRS and fibromyalgia. What's Nearby? Distance: 5 10 15 20 25 50 mi.