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Ju Nyeong Park, PhD

  • Assistant Scientist

Departmental Affiliations

Contact Information

624 N. Broadway
Hampton House 186
Baltimore, Maryland 21205



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PhD, Johns Hopkins Bloomberg School of Public Health, 2018
MHS, Johns Hopkins Bloomberg School of Public Health, 2013
BS, University of Sydney, 2009


Dr. Ju Nyeong Park is an epidemiologist with a decade of experience in conducting research on substance use, trauma, HIV and HCV among under-served populations in the US, Australia and Cameroon. Dr. Park has expertise in the design and implementation of epidemiological studies, survey development, data analysis and data management. Dr. Park currently collaborates on the PROMOTE study evaluating peer-based outreach services, an NIH-funded study examining the HIV risk environment of street-based sex workers in Baltimore, Maryland, and a SAMHSA-funded project that is expanding drug treatment, mental health services, and linkage to community-based care at the John G. Bartlett Specialty Practice at Johns Hopkins Hospital. She recently received a Faculty Development Award from the Center for AIDS Research to assess HIV risk among urban and suburban people who inject drugs. She has provided technical assistance to a variety of health agencies, including the Baltimore City Health Department, Maryland Department of Health, the Maryland Opioid Operational Command Center and the World Health Organization.

Honors and Awards

2019 NIDA Women & Sex/Gender Differences Junior Investigator Travel Award

2016 Charlotte Silverman Award, Department of Epidemiology, JHBSPH

2013 Conference Travel Award, International AIDS Society, Geneva, Switzerland

2013 Conference Travel Award, Center for Global Health, Johns Hopkins University

2013 Community Service Award, Johns Hopkins Student Outreach Resource Center

  • fentanyl
  • opioid overdose
  • addiction
  • substance use
  • drug use
  • trauma
  • HIV
  • HCV
  • epidemiology
  • community-based research
  • longitudinal data analysis
  • confirmatory factor analysis
  • respondent driven sampling
  • time location sampling

Selected publications since 2011

  • Park JN, Weir B, Allen, ST, Chaulk P, Sherman SG. Fentanyl-contaminated drugs and nonfatal overdose among people who inject drugs in Baltimore, Maryland. Harm Reduction Journal. 2018; 15(1):34. PMID: 29976195.
  • An assessment of the limits of detection, sensitivity and specificity of three devices for public health-based drug checking of fentanyl in street-acquired samples. International Journal of Drug Policy. 2020; 77:102661.
  • Park JN, Footer KHA, Decker MR, Tomko C, Allen ST, Galai N, et al. Interpersonal and structural factors associated with receptive syringe sharing among a prospective cohort of female sex workers who inject drugs. Addiction. 2019; 114(7):1204-1213. PMID: 30694587.
  • Park JN, Sherman SG, Rouhani S, Morales KB, McKenzie M, Allen ST, Marshall BDL, Green TC. Willingness to Use Safe Consumption Spaces among Opioid Users at High Risk of Fentanyl Overdose in Baltimore, Providence, and Boston. J Urban Health. 2019; 96(3):353-366. PMID: 31168735.
  • Park JN, Decker MR, Bass JK, Galai N, Tomko C, Jain KM, Footer KHA, Sherman SG. Cumulative Violence and PTSD Symptom Severity Among Urban Street-Based Female Sex Workers. J Interpers Violence. 2019 Nov 2 [Epub ahead of print]. PMID: 31679445