Brenna Greenfield, PhD, LP

Assistant Professor, Department of Family Medicine and BioBehavioral Health

Brenna Greenfield

Contact Info

Office Phone 218-726-7721

Mailing Address:
University of Minnesota Medical School, Duluth Campus
1035 University Drive
SMed 335
Duluth, MN 55812

PhD, Psychology, University of New Mexico, 2015

MS, Psychology, University of New Mexico, 2010

BA, Psychology, St. Olaf College, 2006


Brenna Greenfield (German/Hungarian/English/Irish/Polish) is a licensed clinical psychologist and assistant professor in the Department of Family Medicine and Biobehavioral Health on the Duluth Campus of the University of Minnesota Medical School. Her research focuses on substance use disorder treatment and recovery, prevention of opioid overdose deaths, behavioral health interventions, and American Indian health equity. She teaches first and second-year medical students about motivational interviewing and psychological interventions. She is a member of the Motivational Interviewing Network of Trainers and is a 2019 Journal of Substance Abuse Treatment Editorial Fellow.

Professional Associations

  • Research Society on Alcoholism
  • Motivational Interviewing Network of Trainers
  • American Public Health Association


Research Funding Grants

2019-2022, National Institute on Drug Abuse, R61DA049386, Changing our paths: Well-being and recovery among American Indians with opioid use disorder. B. Greenfield (PI).

2018-2019, National Institute on Drug Abuse, Subaward from National Drug Early Warning System, U01DA038360, Minnesota NDEWS HotSpot Study, Opioid overdose fatality reviews: Finding new opportunities for healing and prevention. B. Greenfield (PI).


For a full list of publications, see: PubMed

  • Greenfield, B.L., Venner, K.L., Tonigan, J.S., Honeyestewa, M., Hubbell, H., & Bluehorse, D. (2018). Low rates of alcohol and tobacco use, strong cultural ties for Native American college students in the Southwest. Addictive Behaviors, 82, 122-128. doi: 10.1016/j.addbeh.2018.02.032
  • Gonzalez, M. B., Aronson, B. D., Kellar, S., Walls, M., & Greenfield, B. (2017). Language as a facilitator of cultural connection. ab-Original, 1(2), 176-194. doi: 10.5325/aboriginal.1.2.0176
  • Greenfield, B. L., Sittner, K. J., Walls, M. L., Whitbeck, L. B. (2017). Conduct disorder and alcohol use disorder trajectories, predictors, and outcomes for Indigenous youth. Journal of the American Academy of Child and Adolescent Psychiatry, 56(2), 133-139. doi: 10.1016/j.jaac.2016.11.009. PMCID: PMC5314209
  • Greenfield, B. L., Hallgren, K. A., Venner, K. L., Hagler, K. J., Simmons, J. D., Sheche, J. N., … Lupee, D. (2015). Cultural adaptation, psychometric properties, and outcomes of the Native American Spirituality Scale. Psychological Services, 12(2), 123-133. doi:10.1037/ser0000019. PMCID: PMC4445240.
  • Greenfield, B. L., Owens, M. D., & Ley, D. (2014). Opioid use in New Mexico: A needs assessment of recent changes and treatment availability. Addiction Science and Clinical Practice, 9(10). doi: 10.1186/1940-0640-9-10. PMCID: PMC4070335.
  • Witkiewitz, K., Greenfield, B. L., & Bowen, S. (2013). Mindfulness-based relapse prevention with racial and ethnic minority women. Addictive Behaviors, 38(12), 2821-2824. doi:10.1016/j.addbeh.2013.08.018. PMCID: PMC5441877
  • Greenfield, B., Skewes, M. C., Dionne, R., Davis, B., Cwik, M., Venner, K., & Belcourt-Ditloff, A. (2013). Treatment for American Indians and Alaska Natives: Considering cultural adaptations. The Behavior Therapist, 36(6), 146-151. PMID: 24018224.
  • Hallgren, K., Ladd, B., & Greenfield, B. (2013). Psychometric properties of the Important People Instrument with college student drinkers. Psychology of Addictive Behaviors, 27(3), 819-825. doi:10.1037/a0032346. PMCID: PMC3820836.
  • Tonigan, J. S., Martinez-Papponi, B., Hagler, K. J., Greenfield, B., & Venner, K. L. (2013). A longitudinal study of urban American Indian 12-step attendance, attrition, and outcome. Journal of Studies on Alcohol and Drugs, 74(4), 514-520. doi:10.15288/jsad.2013.74.514. PMCID: PMC3711343.
  • Greenfield, B., & Venner, K. (2012). Review of substance abuse treatment research in Indian country: Future directions to strive toward health equity. The American Journal of Drug and Alcohol Abuse, 38, 483-492. doi:10.3109/00952990.2012.702170. PMID: 22931083.
  • Greenfield, B., Venner, K. L., Kelly, J. F., Slaymaker, V., & Bryan, A. D. (2012). The impact of depression on abstinence self-efficacy among emerging adults in residential treatment. Psychology of Addictive Behaviors, 26(2), 246-254. doi:10.1037/a0026917. PMCID: PMC3575193.