John Christian O’Neil, MD
Medical Director
Dr. John Christian O’Neil became the Medical Director at Duffy’s Napa Valley in October of 2021. He received his General Practice MD from the University Of Cincinnati’s College Of Medicine in 2008 and completed a Psychiatry internship at the University of New Mexico the following year. Dr. O’Neil moved to California shortly after finishing his formal education, eager to launch his career in the field of substance use disorder treatment.
Over the last 10 years, Dr. O’Neil has worked to break stigmas around addiction and provide care to the most vulnerable populations. He taught life skills to homeless individuals and worked with expectant mothers in the Santa Clara Country Perinatal Substance Abuse Program. More recently, Dr. O’Neil served as Medical Director of BAART San Mateo’s network of methadone clinics.
Passionate about removing shame from the treatment process, Dr. O’Neil endeavors to connect patients with their own inner resources by combining optimal medical therapies with thought-provoking motivational techniques. In doing so, he hopes to help them step purposefully and powerfully into a life of recovery.
When not working, Dr. O’Neil enjoys gardening, playing guitar, and writing songs.
