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William Mayer Garneau, M.D., M.P.H.

William Mayer Garneau, M.D., M.P.H.

Headshot of William Mayer Garneau
  • Assistant Professor of Medicine


Emergency Medicine, Internal Medicine


The Johns Hopkins Hospital

600 N. Wolfe Street
Meyer Building, Suite 8-134
Baltimore, MD 21287 map
Phone: 410-955-5000


Dr. William Garneau is a native of Durham, North Carolina. He graduated from Yale University and served as a teacher for two years in the Peace Corps. He graduated from University of North Carolina School of Medicine and also earned a Master's of Public Health at the UNC Gillings School of Global Public Health. He did his residency training at the Johns Hopkins Osler Medical Housestaff Training Program.

Dr. Garneau has a clinical focus on COVID-19 care in the hospital.  His research focuses include outcomes for immunosuppressed patients who develop COVID-19 as well as COVID-19 hypercoaguability.

His clinical responsibilities include providing direct care, serving as a medicine consultant and attending on resident teaching teams.  In addition to his clinical work, Dr. Garneau is a Barker Firm Faculty member and is a teacher in the Johns Hopkins School of Medicine and in the Osler Medical Residency Training Program. more


  • Assistant Professor of Medicine

Departments / Divisions



  • MD; University of North Carolina School of Medicine (2016)


  • Medicine; Johns Hopkins University School of Medicine (2019)

Board Certifications

  • American Board of Internal Medicine (Internal Medicine) (2019)

Research & Publications

Selected Publications

Garneau WM, Knight AM, Pahwa AK. Letter to the Editor: Effectiveness of a Best Practice Alert to Reduce Telemetry Orders. JAMA Intern Med. 2019;179(6):844.

Garneau WM, Harris DM, Viera AJ. Cross-sectional survey of Good Samaritan behaviour by physicians in North Carolina. BMJ Open. 2016 Mar 10;6(3):e010720.

Mwafongo AA, Rosenberg NE, Ng’ambi W, Werner AB, Garneau WM, Gumulira J, Phiri S, Hosseinipour MC. Treatment outcomes of AIDS-associated Kaposi’s sarcoma under a routine antiretroviral therapy program in Lilongwe, Malawi: bleomycin/vincristine compared to vincristine monotherapy. PLoS One. 2014 Mar 14;9(3)e91020.

Academic Affiliations & Courses

Courses and Syllabi

  • Barker Firm Faculty
    Osler Medical Residency Program

Activities & Honors


  • Inductee, Gold Humanism Honor Society, 2014
  • Inductee, Eugene S. Mayer Honor Society for Community Service, 2013
  • Benjamin H. Kean Traveling Fellowship in Tropical Medicine, American Society of Tropical Medicine and Hygiene, 2012

Videos & Media

Lectures and Presentations

  • Order Wisely in the Hospital Setting: Cardiac Monitoring
    Invited Presentation, Conference, High Value Practice Academic Alliance National Conference, Baltimore, MD (11/15/2019)
    High Value Practice Academic Alliance
  • Hepatic Abscess: An unusual complication of Klippel- Trenaunay Syndrome
    Poster Presentation, Academic Conference, American College of Physicians Maryland Annual Meeting, Baltimore, MD (05/18/2017)
    American College of Physicians Maryland
  • Going Beyond Limited Evidence: An Approach for Guideline Panels to Help Reduce Overdiagnosis by Providing Additional Guidance
    Oral Presentation, International Conference, Preventing Overdiagnosis Conference, Bethesda, MD (09/02/2015)
    Centre for Evidence-Based Medicine
  • IgA nephropathy initially presenting with rhabdomyolysis
    Poster Presentation, Annual Meeting, American College of Physicians North Carolina Annual Meeting, Durham, NC (02/13/2015)
    American College of Physicians North Carolina
  • A descriptive study of the prevalence of virologic failure among patients receiving viral load testing at Lighthouse HIV clinic, Lilongwe, Malawi
    Poster Presentation, Scientific Session, Student Research Day, Chapel Hill, NC (01/17/2013)
    UNC School of Medicine
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