Lesley Brooks, MD serves as the Chief Medical Officer for SummitStone Health Partners and as the Assistant Medical Director for the North Colorado Health Alliance in northern Colorado.  As the Chief Medical Officer, Dr. Brooks leads SummitStone’s partnership in the design, development and implementation of Larimer County’s new Longview Behavioral Health Services facility, which is set to open in November 2023.  

Dr. Brooks, a board-certified family medicine and addiction medicine physician, practiced full scope family medicine in the federally qualified health center including prenatal care, chronic pain, mental health, and substance use disorder/addiction in northern Colorado for 12+ years.   Since her transition to SummitStone Health Partners in 2020, she specializes in substance use and mental health.  Dr. Brooks has also served on the Colorado Medical Board, the Substance Abuse Trends and Response Task Force, the Colorado Consortium’s Provider Education Work Group, the Behavioral Health Transformational Task Force, and the Northern Colorado Medical Society. 

She earned her undergraduate degree from Kenyon College in Ohio and her medical degree from the University of Colorado School of Medicine.  Her residency training was completed at North Colorado Family Medicine in Greeley, Colorado.  She completed her fellowship in Primary Care Psychiatry through the University of California at Irvine.  She and her husband live in Greeley with their 2 children and 3 dogs.