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Photo of Dr. Timothy Niessen

Timothy M Niessen, MD MPH

Instructor of Medicine

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Main Location

The Johns Hopkins Hospital

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  • Instructor of Medicine


Internal Medicine, Medical Education


  • English
Additional Resources +
  • Education +


    • Johns Hopkins Bloomberg School of Public Health ( Baltimore MD ) (2009)
    • Johns Hopkins University School of Medicine ( Baltimore MD ) (2009)


    • The Johns Hopkins Hospital/Medicine ( Baltimore MD ) (2012)


    • Internal Medicine, American Board of Internal Medicine
  • Research & Publications +

    Selected Publications View all on PubMed

    1. Block L, Habicht R, Oluyadi FO, Wu AW, Desai SV, Niessen T, Silva KN, Oliver N, Feldman L. Variability in hand hygiene practices among internal medicine interns. Am J Infect Control. 2013 Nov;41(11):1107-8. doi: 10.1016/j.ajic.2013.03.303. PMID: 24176771 [PubMed - in process]
    2. Block L, Habicht R, Wu AW, Desai SV, Wang K, Silva KN, Niessen T, Oliver N, Feldman L. A post-2011 time motion study. J Gen Intern Med. 2014 Jan;29(1):24. doi: 10.1007/s11606-013-2669-9. No abstract available. PMID: 24146351 [PubMed - in process]
    3. Block L, Hutzler L, Habicht R, Wu AW, Desai SV, Novello Silva K, Niessen T, Oliver N, Feldman L. Do internal medicine interns practice etiquette-based communication? A critical look at the inpatient encounter. J Hosp Med. 2013 Nov;8(11):631-4. doi: 10.1002/jhm.2092. Epub 2013 Oct 12. PMID: 24124094 
    4. Block L, Habicht R, Wu AW, Desai SV, Wang K, Silva KN, Niessen T, Oliver N, Feldman L. In the wake of the 2003 and 2011 duty hours regulations, how do internal medicine interns spend their time? J Gen Intern Med. 2013 Aug;28(8):1042-7. doi: 10.1007/s11606-013-2376-6. PMID: 23595927 [PubMed - in process]
    5. Probasco JC, Felling RJ, Carson JT, Dorsey ER, Niessen TM. Teaching NeuroImages: myelopathy due to B₁₂ deficiency in long-term colchicine treatment and nitrous oxide misuse. Neurology. 2011 Aug 30;77(9):e51. doi: 10.1212/WNL.0b013e31822c910f. No abstract available. PMID: 21876193
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  • Contact & Locations +


    The Johns Hopkins Hospital
    600 N. Wolfe Street
    Hospital Main Entrance - Sheikh Zayed Tower
    Baltimore, MD 21287
    Phone: 410 955 3707
    Location Map
    Johns Hopkins Outpatient Center
    601 N. Caroline Street
    Baltimore, MD 21287
    Phone: 410 955 3707
    Location Map


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