Match tier Confirmed
Presence Current · Arkansas
Last published 2026
Sources OpenAlex · ORCID
Refreshed 2026-10-05

Nickolas D Zaller

Affiliation confirmed via AI analysis of OpenAlex, ORCID, and web sources.

High Impact

Professor

Also affiliated: Boston University (2010); University of North Carolina at Chapel Hill (2020); National Institutes of Health (2010); National Institute on Drug Abuse (2010); Johns Hopkins University (2004–2006); Northern Arizona University (2021); Brown University (2006–2015); University of Arkansas System (2014–2020); Johns Hopkins Medicine (2006); Rhode Island Hospital (2011); Miriam Hospital (2005–2018); UNSW Sydney (2014); Yale University (2010); Central Arkansas Veterans Healthcare System (2022); Lifespan (2007–2013); Johns Hopkins University Center for AIDS Research (2010); National Drug and Alcohol Research Centre (2014); Foundation for Opioid Response Efforts (2020)

Health Behavior & Health Education, College of Public Health

43 h-index 216 pubs 6,272 cited

  • Humans
  • Male
  • Adult
  • Female
  • HIV Infections
  • Middle Aged
  • Prisoners
  • United States
  • Young Adult
  • Homosexuality, Male
  • Adolescent
  • Health Knowledge, Attitudes, Practice
  • Substance Abuse, Intravenous
  • Rhode Island
  • COVID-19

Biography and Research Information

OverviewAI-generated summary

Nickolas Zaller's research focuses on public health issues, particularly concerning vulnerable populations and the impact of health behaviors. His work has investigated the prevalence and patterns of substance use, including the diversion and illicit use of medications like buprenorphine and methadone. Zaller has also conducted systematic reviews and meta-analyses on infectious diseases in closed settings, such as hepatitis C in prisons.

His research extends to health disparities and the mental health of sexual minority populations, examining the relationship between discrimination, mental health, and substance use disorders. Zaller has been involved in clinical trials, including a randomized trial comparing methadone continuation versus forced withdrawal in incarcerated individuals. His scholarship includes a broad range of publications spanning over a decade, with a h-index of 43 and over 5,800 citations, designating him as a highly cited researcher. He actively leads a research group and collaborates with researchers from the University of Arkansas for Medical Sciences.

Metrics

  • h-index: 43
  • Publications: 216
  • Citations: 6,272

Positions

  • Professor and Associate Dean 2026–present
    University of Arkansas for Medical Sciences College of Nursing ORCID
  • Professor publications 2014–2026
    University of Arkansas for Medical Sciences Health Behavior & Health Education, College of Public Health Institutional directory

Selected Publications

  • Mapping risk and opportunity: A space-based affiliation network analysis of physical and virtual spaces among high risk men (2026)
    JAIDS Journal of Acquired Immune Deficiency Syndromes DOI OpenAlex
  • Editorial for the 2026 second edition of the <i>International Journal of Prison Health</i> (2026)
    International Journal of Prison Health DOI OpenAlex
  • Telemental Health Service Delivery to Justice-Involved Persons With Substance Use: Staff Perspectives (2026)
    Criminal Justice and Behavior DOI OpenAlex
  • Engagement and retention in HIV care in rural Southern U.S. using an All-Payer Claims Database (2025)
    PLoS ONE DOI OpenAlex
  • A community network-driven COVID-19 testing and vaccination intervention for vulnerable populations in the Central United States: results from a Rapid Acceleration of Diagnostics Underserved Populations randomized controlled trial (2025)
    Journal of Public Health 1 citation DOI OpenAlex
  • COVID-19 prevention behaviors are congruent within social networks of disenfranchised Hispanic and criminal legal involved community members (2025)
    Scientific Reports DOI OpenAlex
  • The Prevalence and Associated Factors of HIV Self-Testing Among High-Risk Men Who Have Sex with Men in China: A Study Based on Bayesian Network Model (2025)
    Archives of Sexual Behavior DOI OpenAlex
  • The Arkansas Crisis Stabilization Study: Health Service Utilization and Jail Booking Outcomes of a Longitudinal Cohort (2025)
    Criminal Justice and Behavior DOI OpenAlex
  • Rural and Urban Patients' Telehealth Use and Preferences for the Treatment of Opioid Use Disorder (2025)
    Drug and Alcohol Dependence DOI OpenAlex
  • Pre-exposure Prophylaxis (PrEP) Awareness and Engagement Among MSM at High Risk of HIV Infection in China: A Multi-City Cross-Sectional Survey (2025)
    AIDS and Behavior 10 citations DOI OpenAlex
  • THE AGING RESEARCH IN CRIMINAL JUSTICE HEALTH (ARCH) NETWORK: AN OVER-ARCH-ING VIEW (2024)
    Innovation in Aging DOI OpenAlex
  • Randomized controlled trial of a pilot PrEP linkage intervention for individuals leaving incarceration in a southern state: Design and baseline characteristics (2024)
    PLoS ONE 2 citations DOI OpenAlex
  • Linkage facilitation for opioid use disorder in criminal legal system contexts: a primer for researchers, clinicians, and legal practitioners (2024)
    Health & Justice 19 citations DOI OpenAlex
  • Arkansas crisis stabilization unit guests: Baseline characteristics from a longitudinal cohort study. (2024)
    Psychological Services 1 citation DOI OpenAlex
  • Geographic and Racial/Ethnic Differences in Access to Methamphetamine Detoxification Services, United States, 2021 (2024)
    Medical Care 4 citations DOI OpenAlex

View all publications on OpenAlex →

Grants & Funding

As listed on this researcher's institutional profile.

  • Center for Research, Health and Society NIH Co-Investigator
  • Regional Expansion of treatment for Addiction in Corrections via telehealth: Project REACH Robert Wood Johnson Foundation Principal Investigator
  • Lifespan/Brown Criminal Justice Research Training Program on Substance Use and HIV NIH/Nat. Inst. on Drug Abuse via Miriam Hospital Principal Investigator
  • Mobile Health Intervention to Increase HIV Self Testing and Linkage to Services for High-Risk Men in China NIH Co-Principal Investigator
  • Community network driven COVID-19 testing among most vulnerable populations in the Central United States NIH/Nat. Inst. on Drug Abuse via University of Chicago Principal Investigator
  • Brown Subcontract-China- Resubmission NIH/National Institutes of Health via Brown University Principal Investigator
  • Patient Perspectives on Prescription Opioid Discontinuation: Understanding and Promoting Safe Transitions Agency for Healthcare Research & Quality via Kaiser Permanente Washington Health Research Institute Principal Investigator
  • Linking Criminal Justice and Health Data: Challenges and Opportunities Robert Wood Johnson Foundation Principal Investigator

Collaboration Network

412 Collaborators 161 Institutions 8 Countries

Top Collaborators

View profile →
View profile →
View profile →
View profile →
View profile →

Similar Researchers

Based on overlapping research topics