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Elson S. Floyd College of Medicine

Faculty and Staff Directory

Khairul Siddiqi, PhD

Assistant Professor
Department of Community and Behavioral Health


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

Past Academic Positions

  • Assistant Research Scientist, Department of Health Outcomes and Biomedical Informatics, University of Florida College of Medicine

Honors & Awards

  • 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)

Additional Information

Dr. Siddiqi is a health services researcher in the area of sexually transmitted infections (STIs), substance use, and mental health. As a faculty member in the Promoting Research Initiatives in Substance Use and Mental Health (PRISM) Collaborative, Dr. Siddiqi is working with implementing and assessing evidence-based interventions to improve access to mental health services and the quality of care in community-based settings. Using quantitative and qualitative research methods, he works to enforce the latest tools and strategies to prevent HIV/AIDS and substance use disorder (SUD) and promote health care delivery for the population affected by these conditions.

Selected Publications

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:

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: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:

Khairul Siddiqi
Khairul Siddiqi, PhD
Assistant Professor