Joshua Adam Barocas, MD

Adjunct Assistant Professor, Medicine

Joshua Barocas


I lead an interdisciplinary research program that is specifically aimed at the goal of improving health outcomes for patients with infectious diseases including HIV and HCV, substance use disorders, and other vulnerable populations. My research, which uses clinical epidemiology, health economics, simulation modeling, and cost-effectiveness, informs clinical-decision making and health policy to answer clinically- and policy-relevant questions. I am engaged in research using these innovative methods to help understand the impact of and improve upon policies that affect people who use drugs infected with or at high risk for infections. My research is currently been funded by NIDA in the form of both a K01 and a DP2 award as well as multiple grants for which I am a Co-Investigator. I have also received NIAID, the Providence/Boston Center for AIDS Research (CFAR), the BU-CTSI, and the MGH Executive Committee on Research Fund for Medical Discovery. I currently serve as Director of the Health Economics and Modeling Core for the Massachusetts HEALing Communities Study, an NIH-funded grant to significantly reduce overdose. I am the previous recipient of the Charles A. King Trust Research Award, and the prestigious AAMC Herbert W. Nickens Faculty Fellowship Award, which recognizes a junior faculty member who demonstrates leadership potential in addressing inequity in health care. I have published my work and editorials in leading journals such as NEJM, Lancet Public Health, JAMA Internal Medicine, AJPH, Addiction, Clinical Infectious Diseases, and Annals of Internal Medicine. My work has been widely cited in the media, including the Boston Globe, U.S. News and World Report, and NPR.


  • George Washington University School of Medicine, MD
  • Washington University in St. Louis, BA


  • Published on 6/16/2024

    Samet JH, El-Bassel N, Winhusen TJ, Jackson RD, Oga EA, Chandler RK, Villani J, Freisthler B, Adams J, Aldridge A, Angerame A, Babineau DC, Bagley SM, Baker TJ, Balvanz P, Barbosa C, Barocas J, Battaglia TA, Beard DD, Beers D, Blevins D, Bove N, Bridden C, Brown JL, Bush HM, Bush JL, Caldwell R, Calver K, Calvert D, Campbell ANC, Carpenter J, Caspar R, Chassler D, Chaya J, Cheng DM, Cunningham CO, Dasgupta A, David JL, Davis A, Dean T, Drainoni ML, Eggleston B, Fanucchi LC, Feaster DJ, Fernandez S, Figueroa W, Freedman DA, Freeman PR, Freiermuth CE, Friedlander E, Gelberg KH, Gibson EB, Gilbert L, Glasgow L, Goddard-Eckrich DA, Gomori S, Gruss DE, Gulley J, Gutnick D, Hall ME, Harger Dykes N, Hargrove SL, Harlow K, Harris A, Harris D, Helme DW, Holloway J, Hotchkiss J, Huang T, Huerta TR, Hunt T, Hyder A, Ingram VL, Ingram T, Kauffman E, Kimball JL, Kinnard EN, Knott C, Knudsen HK, Konstan MW, Kosakowski S, Larochelle MR, Leaver HM, LeBaron PA, Lefebvre RC, Levin FR, Lewis N, Lewis N, Lofwall MR, Lounsbury DW, Luster JE, Lyons MS, Mack A, Marks KR, Marquesano S, Mauk R, McAlearney AS, McConnell K, McGladrey ML, McMullan J, Miles J, Munoz Lopez R, Nelson A, Neufeld JL, Newman L, Nguyen TQ, Nunes EV, Oller DA, Oser CB, Oyler DR, Pagnano S, Parran TV, Powell J, Powers K, Ralston W, Ramsey K, Rapkin BD, Reynolds JG, Roberts MF, Robertson W, Rock P, Rodgers E, Rodriguez S, Rudorf M, Ryan S, Salsberry P, Salvage M, Sabounchi N, Saucier M, Savitzky C, Schackman B, Schady E, Seiber EE, Shadwick A, Shoben A, Slater MD, Slavova S, Speer D, Sprunger J, Starbird LE, Staton M, Stein MD, Stevens-Watkins DJ, Stopka TJ, Sullivan A, Surratt HL, Sword Cruz R, Talbert JC, Taylor JL, Thompson KL, Vandergrift N, Vickers-Smith RA, Vietze DJ, Walker DM, Walley AY, Walters ST, Weiss R, Westgate PM, Wu E, Young AM, Zarkin GA, Walsh SL. Community-Based Cluster-Randomized Trial to Reduce Opioid Overdose Deaths. N Engl J Med. 2024 Jun 16. PMID: 38884347.

    Read at: PubMed
  • Published on 5/6/2024

    Yamkovoy K, Patil P, Dunn D, Erdman E, Bernson D, Swathi PA, Nall SK, Zhang Y, Wang J, Brinkley-Rubinstein L, LeMasters KH, White LF, Barocas JA. Using decision tree models and comprehensive statewide data to predict opioid overdoses following prison release. Ann Epidemiol. 2024 Jun; 94:81-90. PMID: 38710239.

    Read at: PubMed
  • Published on 4/25/2024

    Meehan AA, Milazzo KE, Bien M, Nall SK, Vickery KD, Mosites E, Barocas JA. Involuntary displacement and self-reported health in a cross-sectional survey of people experiencing homelessness in Denver, Colorado, 2018-2019. BMC Public Health. 2024 Apr 25; 24(1):1159. PMID: 38664800.

    Read at: PubMed
  • Published on 4/2/2024

    Montoya ID, Watson C, Aldridge A, Ryan D, Murphy SM, Amuchi B, McCollister KE, Schackman BR, Bush JL, Speer D, Harlow K, Orme S, Zarkin GA, Castry M, Seiber EE, Barocas JA, Linas BP, Starbird LE. Cost of start-up activities to implement a community-level opioid overdose reduction intervention in the HEALing Communities Study. Addict Sci Clin Pract. 2024 Apr 02; 19(1):23. PMID: 38566249.

    Read at: PubMed
  • Published on 3/25/2024

    Bartholomew TS, Plesons M, Serota DP, Alonso E, Metsch LR, Feaster DJ, Ucha J, Suarez E, Forrest DW, Chueng TA, Ciraldo K, Brooks J, Smith JD, Barocas JA, Tookes HE. Project CHARIOT: study protocol for a hybrid type 1 effectiveness-implementation study of comprehensive tele-harm reduction for engagement of people who inject drugs in HIV prevention services. Addict Sci Clin Pract. 2024 Mar 25; 19(1):21. PMID: 38528570.

    Read at: PubMed
  • Published on 3/13/2024

    Wang J, Bernson D, Erdman EA, Villani J, Chandler R, Kline D, White LF, Barocas JA. Intersectional inequities and longitudinal prevalence estimates of opioid use disorder in Massachusetts 2014-2020: a multi-sample capture-recapture analysis. Lancet Reg Health Am. 2024 Apr; 32:100709. PMID: 38510791.

    Read at: PubMed
  • Published on 3/12/2024

    Nall SK, Jurecka C, Ammons A, Rodriguez A, Craft B, Waleed C, Dias D, Henderson J, Boyer J, Yamkovoy K, Swathi PA, Patil P, Behne F, LeMasters K, Brinkley-Rubinstein L, Barocas JA. Identifying structural risk factors for overdose following incarceration: a concept mapping study. Health Justice. 2024 Mar 12; 12(1):11. PMID: 38472497.

    Read at: PubMed
  • Published on 12/19/2023

    Doogan NJ, Mack A, Wang J, Crane D, Jackson R, Applegate M, Villani J, Chandler R, Barocas JA. Correction to: Opioid Use Disorder Among Ohio's Medicaid Population: Prevalence Estimates From 19 Counties Using a Multiplier Method. Am J Epidemiol. 2023 Dec 19. PMID: 38140815.

    Read at: PubMed
  • Published on 9/26/2023

    Wang J, Doogan N, Thompson K, Bernson D, Feaster D, Villani J, Chandler R, White LF, Kline D, Barocas JA. Massachusetts Prevalence of Opioid Use Disorder Estimation Revisited: Comparing a Bayesian Approach to Standard Capture-Recapture Methods. Epidemiology. 2023 Nov 01; 34(6):841-849. PMID: 37757873.

    Read at: PubMed
  • Published on 9/26/2023

    Tin Y, Castry M, Bowers-Sword R, Shantharam S, Aldridge A, Zarkin GA, Starbird L, Linas BP, Barocas JA, Morgan JR. Establishing a Protocol for Determining the Costs of an Integrated Set of Evidence-based Practices Aimed at Reducing Opioid Overdose Deaths. J Addict Med. 2024 Jan-Feb 01; 18(1):13-18. PMID: 37768777.

    Read at: PubMed

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