Benjamin H. Han, MD, MPH
University of California San Diego, Department of Medicine, Division of Geriatrics and Gerontology - Assistant Professor
MD, State University of New York - Syracuse
MPH, Johns Hopkins School of Public Health
BA, English, Wesleyan University
Research Interests
Geriatrics, Methadone, Health disparities, Substance use
Benjamin Han is a geriatrician and health services researcher in the Division of Geriatrics and Gerontology, Department of Medicine at UC San Diego. His research focuses on unhealthy substance use among older adults, and caring for adults with multiple chronic conditions in opioid treatment programs.
Principal Investigator, Chronic Disease and Health Outcomes of Older Adults with Opioid Use. Active
Principal Investigator, Measuring Social Isolation, Loneliness, and Intersectional Stigma among Older Adults with Opioid Use Disorder. Active
Principal Investigator, Geriatric Conditions and Functional Status in Middle-Aged and Older Adults with Opioid Dependence. Completed


Han BH, Orozco MA, Miyoshi M, Doland H, Moore AA, Jones KF (2024).
Experiences of aging with opioid use disorder and comorbidity in opioid treatment programs: A qualitative analysis
Journal of General Internal Medicine [Epub 2024 Mar 4]. doi: 10.1007/s11606-024-08676-z.

Turi E, McMenamin AL, Martsolf G, Hasin D, Han BH, Liu J, Poghosyan L (2024).
Primary care nurse practitioner work environments and emergency department utilization among older adults with substance use disorders in rural areas
Journal of Substance Use and Addiction Treatment, 157, 209285. doi: 10.1016/j.josat.2023.209285. PMCID: PMC10922346.

Jones KF, Khodyakov D, Han BH, Arnold RM, Dao E, Morrison J, Kapo J, Meier DE, Paice JA, Liebschutz JM, Ritchie CS, Merlin JS, Bulls HW (2023).
Expert consensus-based guidance on approaches to opioid management in individuals with advanced cancer-related pain and nonmedical stimulant use
Cancer, 129 (24), 3978-3986. doi: 10.1002/cncr.34921. PMCID: PMC10910244.

Yang KH, Tam RM, Satybaldiyeva N, Kepner W, Han BH, Moore AA, Palamar JJ (2023).
Trends in past-month cannabis use among US adults across a range of disabilities and health conditions, 2015-2019
Preventive Medicine, 177, 107768. doi: 10.1016/j.ypmed.2023.107768. PMCID: PMC10842214.

Han BH, Jewell JS, Ding BK, Wu NC, Cottler LB, Palamar JJ (2023).
Trends in characteristics of prescription opioid-related poisonings among older adults in the United States, 2015-2021
Journal of Addiction Medicine, 17 (6), e392-e395. doi: 10.1097/ADM.0000000000001193. PMCID: PMC10740379.

Dr. Han's MyBibliography Profile
Selected Press