Skip to main content
William Janssen, MD, Pulmonology, Denver, CO

WilliamJJanssenMD

Pulmonology Denver, CO

Critical Care Medicine, Pleural Disease

Assistant Professor of Medicine National Jewish Health

Dr. Janssen is on Doximity

As a Doximity member you'll join over two million verified healthcare professionals in a private, secure network.

  • Gain access to free telehealth tools, such as our “call shielding” and one-way patient texting.
  • Connect with colleagues in the same hospital or clinic.
  • Read the latest clinical news, personalized to your specialty.

See Dr. Janssen's full profile

Already have an account?

  • Office

    1400 Jackson St
    Denver, CO 80206
    Phone+1 303-388-4461
    Fax+1 303-270-2206

Education & Training

  • University of Colorado
    University of ColoradoFellowship, Pulmonary Disease and Critical Care Medicine, 2002 - 2005
  • Ohio State University Hospital
    Ohio State University HospitalResidency, Internal Medicine, 1998 - 2002
  • Ohio State University College of Medicine
    Ohio State University College of MedicineClass of 1998

Certifications & Licensure

  • AZ State Medical License
    AZ State Medical License 2014 - Present
  • CO State Medical License
    CO State Medical License 2003 - 2025
  • MT State Medical License
    MT State Medical License 2021 - 2025
  • NE State Medical License
    NE State Medical License 2014 - 2016
  • WY State Medical License
    WY State Medical License 2013 - 2016
  • NV State Medical License
    NV State Medical License 2014 - 2015
  • OH State Medical License
    OH State Medical License 1999 - 2008
  • American Board of Internal Medicine Critical Care Medicine
  • American Board of Internal Medicine Pulmonary Disease

Awards, Honors, & Recognition

  • Fellow American College of Chest Physicians, 2010

Publications & Presentations

PubMed

Journal Articles

  • TGF-Β Activation by Bone Marrow-Derived Thrombospondin-1 Causes Schistosoma- and Hypoxia-Induced Pulmonary Hypertension  
    William J Janssen, Jeffrey C Robinson, Rubin M Tuder, Kurt R Stenmark, Nature

Press Mentions

  • Out-of-State Patients Transferred to Colorado Hospitals
    Out-of-State Patients Transferred to Colorado HospitalsAugust 6th, 2021
  • Covid-19 Live Updates: U.S. Deaths Appear to Ease
    Covid-19 Live Updates: U.S. Deaths Appear to EaseFebruary 12th, 2021
  • Pulmonologist Dr. Suraj Sunder Joins National Jewish Health
    Pulmonologist Dr. Suraj Sunder Joins National Jewish HealthOctober 27th, 2020
  • Join now to see all