ChamberMaster Template MBS Integrative Psychiatry Share: Medical Services MBS Integrative Psychiatry Visit Website Request Info 419 Chestnut St #3 Mt. Shasta, CA 96067 (530) 435-5048 About Map About Adult Psychiatric Services ages 16 and up. Diagnosis, medication management, psychotherapy. Integrative approach. What's Nearby? Distance: 5 10 15 20 25 50 mi.