Khairul Siddiqi, PhD

• Doctor of Philosophy (PhD), Health Services Policy and Management, University of South Carolina (2020)
• Master of Population Sciences (MPS), Department of Population Sciences, University of Dhaka (2013)
• Bachelor of Science (BS Honors), Department of Microbiology, University of Dhaka (2010)

• Assistant Research Scientist, Department of Health Outcomes and Biomedical Informatics, University of Florida College of Medicine (2020-2023)
• Graduate Research Assistant, University of South Carolina, Columbia, SC (2015-2020)
• Research Associate, South Carolina Rural and Minority Health Research Center, Columbia, SC (2015-2016)
• Research Officer, Population Council (Bangladesh office), Dhaka, Bangladesh (2014-2015)
• Research Assistant, Population Council (Bangladesh office), Dhaka, Bangladesh (2012 & 2014)

HIV Prevention & Care

Integrating HIV Prevention at SUD settings

Trauma-Informed Care 

Implementation Research 

• Mental Health First Aid Training (adult), Washington State University, Elson S. Floyd College of Medicine (2023)
• Certified in Public Health (CBH), National Board of Public Health Examiners (2023)
• University of Florida Clinical and Translational Science Institute’s (CTSI) Precision Health Initiative Pilot Award (2021-2022)
• SPARC Graduate Research Grant, Office of the Vice President for Research, University of South Carolina (2018-2019)
• Preparing Future Faculty (PFF) Award, Center for Teaching Excellence, University of South Carolina (2019)
• ISPOR Student Travel Grant (2019)
• The Outstanding Achievement and Student Triumph Award, University of South Carolina (2018)
• Graduate Student Scholarship, Health Administration Section of American Public Health Association (APHA-HA) (2018 & 2019)
• Arnold Fellowship, Arnold School of Public Health, University of South Carolina (2015)
• UNFPA Research Fellowship Award, University of Dhaka, Bangladesh (2012)

• Siddiqi, K. A., Alzahrani, A., Olatosi, B. A., Ding, D. D., & Bennett, C. L. (2025). Differences in emergency department visit characteristics and resource utilization for persons with human immunodeficiency virus, 2018–2019 compared with 2009–2010. BMC Emergency Medicine, 25(1), 103.
• Liu, Y., Chen, A., Cho, H., Siddiqi, K. A., Cook, R. L., & Prosperi, M. (2025). Development of an electronic health record-based Human Immunodeficiency Virus (HIV) risk prediction model for women, incorporating social determinants of health. BMC Public Health, 25(1), 2257.
• Oluwoye, O., Puzia M., Stokes, B., Fraser, E., Stokes, S., Siddiqi, K., Roll, J. (2025). Proof-of-concept pilot study on the integration of a contingency management model to address substance use among individuals enrolled in early intervention programs for psychosis. Early Intervention in Psychiatry, 19(4), e70037.
• Keesari, P. R., Vegivinti, C. T. R., Rajamanuri, M., Mustafa, A., Pokima, N., White, L. H., Chaudhry, H., Ozigbu, C. E., Siddiqi, K. A., El-Sayegh, S., Dhar, M. & Ogu, U. O. (2025). Racial disparities in cardiovascular manifestations among patients with sickle cell trait: analysis of national inpatient sample data (2016–2020). Annals of Hematology, 1-6.
• Liu, Y., Manavalan, P., Siddiqi, K., Cook, R. L., & Prosperi, M. (2024). Comorbidity Burden and Health Care Utilization by Substance Use Disorder Patterns among People with HIV in Florida. AIDS and Behavior, 1-10. 
• Oluwoye, O., Siddiqi, K. A., Stokes, B., & Stokes, S. (2024). Implementation support for the data-driven components of care in a multisite network of coordinated specialty care programs. Translational Behavioral Medicine, 14(4), 225-233.
• Liu, Y., Siddiqi, K. A., Cho, H., Park, H., Prosperi, M., & Cook, R. L. (2024). Demographics, Trends, and Clinical Characteristics of HIV Pre-Exposure Prophylaxis Recipients and People Newly Diagnosed with HIV from Large Electronic Health Records in Florida. AIDS Patient Care and STDs, 38(1), 14-22. DOI: https://doi.org/10.1089/apc.2023.0220
• Siddiqi, K. A., Gwynn, M.; Olatosi, B.; Ostermann, J. (2023). Associations Between Clinic-Based HIV Testing Guidelines and Population-Level HIV Testing Rates in the United States. Journal of the Association of Nurses in AIDS Care. DOI: 10.1097/JNC.0000000000000412
• Bennett, C.L., Clay, C.E., Siddiqi, K.A., Olatosi, B.A., Parsonnet, J., Camargo, C.A. (2022). Characteristics of California Emergency Departments in Centers for Disease Control and Prevention designated HIV Priority Counties. Journal of Emergency Medicine. DOI: doi.org/10.1016/j.jemermed.2022.10.020
• Siddiqi, K.A., Ostermann, J., Zhang, J., Khan, M.M., & Olatosi, B. (2022). Ageing with HIV in the United States: Changing trends in inpatient hospital stays and comorbidities, 2003–2015. HIV Med. 2022;1‐11. DOI:   https://doi.org/10.1111/hiv.13325
• Liu Y., Rich S.N., Siddiqi K.A., Chen Z., Prosperi M., Spencer E., Cook R.L. (2022). Longitudinal trajectories of HIV care engagement since diagnosis among persons with HIV in the Florida Ryan White program. AIDS Behavior. DOI: 10.1007/s10461-022-03659-9
• Siddiqi, K. A., Liu, Y., Ding, D. D., & Olatosi, B. A. (2021). Estimating resource utilization for emergency department visits by patients’ HIV seropositivity in the United States, 2009 to 2018. The American Journal of Emergency Medicine. DOI: 10.1016/j.ajem.2021.12.025
• Liu, Y., Siddiqi, K. A., Cook, R. L., Bian, J., Squires, P. J., Shenkman, E. A., … & Jayaweera, D. T. (2021). Optimizing Identification of People Living with HIV from Electronic Medical Records: Computable Phenotype Development and Validation. Methods of Information in Medicine. DOI: 10.1055/s-0041-1735619
• Haider, M. R., Brown, M. J., Karim, S., Siddiqi, K. A., Olatosi, B., & Li, X. (2020). Factors associated with self-reported HIV testing in the Dominican Republic. International Journal of STD & AIDS, 31(6), 560-567. DOI: 10.1177/0956462420913443
• Olatosi, B. A., Siddiqi, K. A., & Conserve, D. (2020). Towards ending the human immunodeficiency virus epidemic in the US: State of human immunodeficiency virus screening during physician and emergency department visits, 2009 to 2014. Medicine, 99(2):e18525. DOI: 10.1097/MD.0000000000018525
• Siddiqi, K. A., Hasan, K., Zaman, S., & Islam, R. (2017). Factors Associating Age at First Live Birth among Urban Married Women in Bangladesh. Social Science Review, 34 (2), 105-117.
• Siddiqi, K. A., Dana, T., Hasan, K., & Haider, M. R. (2017). Mother’s Healthcare Response to Child Illness: A Slum-Based Cross-Sectional Study in Dhaka City, Bangladesh. The Columbia Journal of Global Health, 7(2), 16-25. DOI: doi.org/10.7916/thejgh.v7i2.6639

Dr. Siddiqi is a health services researcher in the area of Human Immunodeficiency Virus (HIV) and other sexually transmitted infections (STIs). His research focus is HIV prevention and care among high-priority populations, including people with substance use disorders and health-related social needs, people of color, and sexual and gender minorities. His current research is to develop and implement effective HIV risk screening and care linkage tools to promote HIV prevention services and reduce new HIV infections among people with opioid use disorder. He is an affiliated faculty member at the PRISM Collaborative (Promoting Research Initiatives in Substance Use and Mental Health) and the Paul G. Allen School for Global Health at Washington State University.