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Grant Tao, M.D., M.S., Ph.D.

Xuguang Tao, M.D., M.S., Ph.D.
Associate Professor
Associate Professor of Medicine



  • Associate Professor
  • Research Director, Division of Occupational and Environmental Medicine, JHSOM
  • Associate Professor of Medicine

Centers & Institutes


  • Medicine - Occupational and Environmental Medicine

Contact for Research Inquiries

2024 E. Monument Street
Suite 1-300
Baltimore, MD 21205 map
Phone: 410-614-5242
Fax: 410-614-2995




Dr. Xuguang Tao is an Associate Professor and Research Director in Division of Occupational Medicine, Department of Medicine. He studies environmental and occupational epidemiology invlolving cancer registry data, GIS applications, workers’ compensation and injuries, drug safety, nosocomial infections, clinical trials and systematic literature review. more

    Additional Information

  • Education +
    • M.D., Anhui Medical College - Hefei - Anhui (China) (1982)
    • M.S., Tongji Medical University (China) (1985)
    • Ph.D., Fudan University (China) (1989)
  • Research & Publications +

    Research Summary

    Environmental and occupational epidemiology Research using cancer registry data; GIS applications in environmental epidemiologic research; Workers' compensation and Injuries; Nosocomial infections; Clinical trials; Systimatic literature review

    Selected Publications

    Tao X., Lavin RA, Yuspeh L, Weaver, V. M., Bernacki EJ. "The association of the use of opioid and psychotropic medications with workers' compensation claim costs and lost work time." J Occup Environ Med 2015; 57(2): 196-201.

    White JA, Tao X, Artuso RD, Bilinski C, Rademacher J, Bernacki EJ. Effect of physician-dispensed medication on workers' compensation claim outcomes in the state of illinois. J Occup Environ Med. May 2014;56(5):459-464.

    Tao X, Lavin RA, Yuspeh L, Bernacki EJ. Implications of lumbar epidural steroid injections after lumbar surgery. J Occup Environ Med. Feb 2014;56(2):195-203.

    Lavin, R. A., Tao X, Yuspeh L, Bernacki EJ. Impact of the combined use of benzodiazepines and opioids on workers' compensation claim cost. J Occup Environ Med. 2014; 56(9):973-8.

    Tao XG, Fagan PJ, LeNoach E, Hawkins M, Ross-Gavin M, Bernacki EJ. The relationship between a worksite wellness clinic and hospital emergency department visits. J Occup Environ Med. Dec 2014;56(12):1313-1318.

    Lavin RA, Tao X, Yuspeh L, Bernacki EJ. Temporal relationship between lumbar spine surgeries, return to work, and workers' compensation costs in a cohort of injured workers. J Occup Environ Med. May 2013;55(5):539-543.

    Jackson JB, Tao X, Sneed L, Humphrey-Carothers F, Bernacki E. Cost of annual tuberculosis screening of healthcare workers with negative tuberculin skin test results. Infect Control Hosp Epidemiol. Jun 2013;34(6):642-643.

    Davis SR, Tao X, Bernacki EJ, Alfriend AS, Delowery ME. Evaluation of a bladder cancer cluster in a population of criminal investigators with the bureau of alcohol, tobacco, firearms and explosives-part 2: the association of cancer risk and fire scene investigation. J Environ Public Health. 2013;2013:986023.

    Davis SR, Tao X, Bernacki EJ, Alfriend, AS. Evaluation of a Bladder Cancer Cluster in a Population of Criminal Investigators with the Bureau of Alcohol, Tobacco, Firearms and Explosives - Part1: The Cancer Incidence. J Environ Pub Hlth, 2012:Article ID 101850, 10 pages doi:10.1155/2012/101850, December 2012
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    Tao XG, Lavin RA, Yuspeh L, Bernacki EJ. Impact of the combined use of opioids and surgical procedures on workers' compensation cost among a cohort of injured workers in the state of Louisiana. J Occup Environ Med. 2012 Dec;54(12):1513-9
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    Tao XG, Lavin RA, Yuspeh L, Bernacki EJ. Natural history of opioid dosage escalation post-injury: a cohort study of injured workers in the State of Louisiana. J Occup Environ Med. 2012 Apr;54(4):439-44.
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    Bernacki EJ, Yuspeh L, Lavin R, Tao XG. Increases in the use and cost of opioids to treat acute and chronic pain in injured workers, 1999 to 2009. J Occup Environ Med. 2012 Feb;54(2):216-23.
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    White JA, Tao X, Talreja M, Tower J, Bernacki E. The Effect of Opioid Use on Workers' Compensation Claim Cost in the State of Michigan. J Occup Environ Med. 2012 Aug; 54(8):948-53.
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    Wrighton-Smith P, Sneed L, Humphrey F, Tao X, Bernacki E. Screening Health Care Workers With Interferon-? Release Assay Versus Tuberculin Skin Test: Impact on Costs and Adherence to Testing (the SWITCH study). J Occup Environ Med. 2012 Jul;54(7):806-15.
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    Zheng W, Wang X, Yu H, Tao X, Zhou Y, Qu W. Global trends and diversity in pentachlorophenol levels in the environment and in humans: a meta-analysis. Environ Sci Technol. Jun 1 2011;45(11):4668-4675.
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    Somanchi M, Tao X, Mullin GE. The facilitated early enteral and dietary management effectiveness trial in hospitalized patients with malnutrition. JPEN J Parenter Enteral Nutr. Mar 2011;35(2):209-216.
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    Alonso CD, Barclay S, Tao X, Auwaerter PG. Increasing incidence of iliopsoas abscesses with MRSA as a predominant pathogen. J Infect. May 18 2011.
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    Tao XG, Giampino J, Dooley DA, Humphrey FE, Baron DM, Bernacki EJ. Evaluation of an Influenza Vaccination Campaign among Healthcare Workers Using a Randomized Survey. Infection Control and Hospital Epidemiology. 31(2):151-7, 2010

    Bernacki EJ, Tao XG, Yuspeh L. The Impact of Cost Intensive Physicians on Worker's Compensation. J Occup Environ Med. 51(1):22-28, 2010
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    Chen L, Gallicchio L, Boyd-Lindsley K, Tao X, Robinson K, Lam TK, Herman JG, Caulfield LE, Guallar E, Alberg AJ, Alcohol consumption and risk of nasopharyngeal carcinoma: A systematic review. 2009; Nutrition and Cancer, 61:1,1-15
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    Tao XG, Chnoweth D, Alfriend AS, Baron D, Mcki E, Kirkland TW, Scherb G, Bernacki E. Monitoring Worksite Clinic Performance Utilizing a Cost Benefit Tool. J Occup Environ Med. 2009;51(10):1151-1157
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    Lam T, Gallicchio L Lindsley K, Shiels M, Hammond E, Tao X, Chen L, Robinson K, Caulfield L, Herman J, Guallar,E, Alberg T. Cruciferous Vegetable Consumption and Lung Cancer Risk: A Systematic Review Cancer Epidemiol Biomarkers Prev 2009;18(1):184 - 95
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    Bernacki E, Tao X The Relationship Between Attorney Involvement, Claim Duration and Workers' Compensation Costs. 2008 Sep;50(9):1013-8. J Occup Environ Med
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    Wu XC; Matanoski GM, Chen VW, Saraiya M, Coughlin S, King J, Tao XG, Descriptive Epidemiology Of Vaginal Cancer Incidence And Survival By Race, Ethnicity, And Age In The United States CANCER. 2008; 133(10) Sup: 2873-2882
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    Cheng TY, Wen SF, Astor B, Tao X, Samet J, Wen CP, Increased Mortality Risks for All Causes and Cardiovascular Diseases from Reduced Glomerular Filtration Rate in a Middle-aged, Working Population in Taiwan. American Journal of Kidney Diseases 2008; 52(6): 1051-1060.
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    Celik, I., Gallicchio, L.,Boyd, K., Lam, T. K., Matanoski, G., Tao, X., Shiels, M. Hammond, E., Chen, L., Robinson, K. A., Caulfield, L. E., Herman, J. G., Guallar, E. Alberg, A. J. Arsenic in drinking water and lung cancer: a systematic review Environ Res. 2008 Sep;108(1):48-55. Epub 2008 May 29.
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    Gallicchio, L., Boyd, K., Matanoski, G., Tao, X. G., Chen, L., Lam, T. K., Shiels, M., Hammond, E., Robinson, K. A., Caulfield, L. E., Herman, J. G., Guallar, E., Alberg, A. J. Carotenoids and the risk of developing lung cancer: a systematic review. Am J Clin Nutr. 2008 Aug;88(2):372-83.
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    Chen L, Gallicchio L, Boyd-Lindsley K, Tao X, Robinson K, Lam TK, Herman JG, Caulfield LE, Guallar E, Alberg AJ, Alcohol consumption and risk of nasopharyngeal carcinoma: A systematic review. 2009; Nutrition and Cancer,61:1,1-15
    View on Pubmed

    Tao XG, Ashwell J, Davis K, Schwab M, Geyh A. The World Trade Center Clean up and Recovery Worker Cohort Study: Respiratory health among clean up workers approximately 20 months after initial exposure at the disaster site. J Occup Environ Med 2007 Oct;49(10):1063-1072.
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    Loyo-Berrios NI, Irizarry R, Hennessey JG, Tao XG, Matanoski G. Air pollution sources and childhood asthma attacks in Catano, Puerto Rico. Am J Epidemiol. 2007 Apr 15;165(8):927-35. Epub 2007 Feb 17.
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    Bernacki EJ, Yuspeh L, Tao X. Determinants of Escalating Costs in Low Risk Workers' Compensation Claims. J Occup Environ Med. Jul 2007;49(7):780-790
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    Tao XG, Bernacki EJ, Jankosky C, Means C. An assessment of universal versus risk-based hepatitis C virus testing of source patients post exposure to blood and body fluids among healthcare workers. J Occup Environ Med. 48(5):470-7, 2006
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    Gallicchio L, Matanoski G, Tao XG, Chen L, Lam TK, Boyd K, Robinson KA, Balick L, Mickelson S, Caulfield LE, Herman JG, Guallar E, Alberg AJ. Adulthood consumption of preserved and nonpreserved vegetables and the risk of nasopharyngeal carcinoma: A systematic review. Int J Cancer. 2006
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    Tao XG, Bernacki EJ. A randomized clinical trial of continuous low-level heat therapy for acute muscular low back pain in the workplace. J Occup Environ Med. 47(12):1298-306, 2005
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    Bernacki E, Tao X, Yuspeh L. A Preliminary Investigation of the Effects of A Provider Network on Costs and Lost-Time in Workers' Compensation, JOEM 47(1):3-10, 2005
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    Matanoski GM and Tao X: Styrene and ischemic heart disease: A case-cohort study. American Journal of Epidemiology 158:988-95, 2003.
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    Matanoski G & Tao X: Case-cohort study on styrene and ischemic heart disease, Health Effects Institute, Research Report Number 98-8, Cambridge, MA, 2001.
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    Tao X, Zhu H, Matanoski GM: Mutagenic Drinking Water and Risk of Male Esophageal Cancer: A Population Based Case-control Study. American Journal of Epidemiology 150 (5): 443-452, 1999.
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    Matanoski GM, Kanchanaraksa S, Lees P, Tao X, Royall R, Frances M, Lantry D: An industry-wide study of mortality of pulp and paper mill workers. American Journal of Industrial Medicine 33:354-365, 1998.
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    Zhou LM, Yang WW , Hua JZ, Deng CQ, Tao X, Stoltzfus RJ: Relation of hemoglobin measured at different times in pregnancy to preterm birth and low birth weight in Shanghai, China. American Journal of Epidemiology 148(10):998-1006, 1998.
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    Matanoski GM, Elliott E, Tao X, Frances M, Correa-Villasenor A, Santo-Burgoa C: Lymphohematopoitic cancer and butadiene and styrene exposure in synthetic rubber industry. Annals of the New York Academy of Science 837: 157-169, 1997.
    View on Pubmed

  • Academic Affiliations & Courses +
  • Activities & Honors +


    • AMTRA Award, Johns Hopkins Bloomberg School of Public Health
    • Excellent Paper Prize, China Environmental Science Association, 1991
    • Excellent Ph.D. Degree Awardees, Shanghai Medical University, 1991
    • Excellent Paper Prize, China Preventive Medicine Association, 1992
    • Eastern Prize, School of Graduate Studies, 1993
    • Fellowship of the International Agency on Research on Cancer, 1993
    • National Excellent Teacher, China Education Committee and Personnel Ministry, 1993


    • International Society for Environmental Epidemiology (ISEE), 1991 - 2003
    • WHO Global Environmental Epidemiological Network (GEENET), 1991 - 2008
    • WHO Global Environmental Technique Network (GETNET), 1991 - 2008
    • International Agency for Research on Cancer (IARC) Research Fellowship, 1993 - 1994
    • Society of Epidemiologic Research (SER), 1999 - 2008
    • National Cancer Registrars Association, 2001 - 2010
    • American College of Occupational and Environmental Medicine, 2007
  • Videos & Media +

    Lectures and Presentations

    Environmental Epidemiology 340.637,
    Co-Primary Instructor , 2002-2011

    Occupational Epidemiology 340.618
    Co-Primary Instructor , 2001-2011

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