Dr Bob Sise MD – Evidence on the Psychiatric Impact of Cannabis Use – Nov 10, 2021

Dr Robert Sise is the Chief Medical Officer & Co-Founder of Frontier Psychiatry specializing in Addiction Psychiatry.

​​Throughout his work, Dr. Sise emphasizes meeting patients where they are at in their willingness to change. He co-founded Frontier Psychiatry to ensure all Montanans have access to quality addiction treatment services and crisis care. Dr. Sise started providing care to Montanans when he joined Billings Clinic and founded the organization’s first addiction treatment clinic. Before leaving Billings Clinic in 2021, he served as Medical Director of Montana’s first EmPATH Unit, led the consult-liaison psychiatry service and created a virtual urgent care service. He has lectured on substance use disorder screening, diagnosis and treatment at both state and regional conferences. Dr. Sise is board certified in general and addiction psychiatry.