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Han-276x303
Benjamin H. Han, MD, MPH
University of California San Diego, Department of Medicine, Division of Geriatrics and Gerontology - Assistant Professor
Email: b2han@health.ucsd.edu
Education
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
BIO
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.
Projects
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
Publications

Recent

Eger WH, Paltin D, Ross JD, Bailey K, Nguyen A, Solomon EM, Bartholomew TS, Han BH, Bazzi AR (2025).
Naloxone distribution amidst shifting drug use patterns: Insights from a needs-based syringe services program
Drug and Alcohol Dependence, 259, 112591. doi: 10.1016/j.drugalcdep.2025.112591.

Kepner W, Yang KH, Dionicio P, Bailey K, Satybaldiyeva N, Moore A, Han BH, Palamar JJ (2025).
Prevalence and correlates of lifetime ecstasy/MDMA use among Asian American and Pacific Islander adult populations in the United States, 2015-2020
Journal of Psychoactive Drugs [Epub 2025 Mar 3]. doi: 10.1080/02791072.2025.2474243.

Han BH, Palamar JJ, Moore AA, Schwartz RP, Wu LT, Subramaniam G, McNeely J (2025).
Performance of the Tobacco, Alcohol, Prescription Medication, and Other Substance Use (TAPS) tool in screening older adults for unhealthy substance use
Journal of Addiction Medicine, 19 (1), 109-111. doi: 10.1097/adm.0000000000001363. PMCID: PMC11824912.

Han BH, Yang KH, Moore AA, Palamar JJ (2024).
Current cannabis use among adults with heart disease in the USA, 2021-2022
Journal of General Internal Medicine, 39 (15), 3093-3095. doi: 10.1007/s11606-024-08977-3. PMCID: PMC11576699.

Han BH, Pettus JH, Yang KH, Moore AA, Palamar JJ (2024).
Past-month cannabis use among adults with diabetes in the U.S., 2021-2022
Diabetes Care, 47 (9), e67-e69. doi: 10.2337/dc24-0597. PMCID: PMC11362118.

Dr. Han's MyBibliography Profile
Selected Press