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Dr. William Janssen, MD

Dr. William Janssen, MD

Denver, CO

21 Years of Experience

Accepting patients

    Who is Dr. Janssen, Pulmonologist in Denver, CO?

    Dr. William Janssen, MD is a Pulmonologist, who primarily practices in Denver, CO. He has been practicing for over 21 years and is board certified. Dr. Janssen graduated from Ohio State University / College of Medicine and completed his residency at Ohio State University Medical Center. He is a member of the American Thoracic Society, Society of Critical Care Medicine, American College of Chest Physicians, American Thoracic Society, Society of Critical Care Medicine, and American College of Chest Physicians. Dr. Janssen is fluent in English, and is currently seeing new patients. Dr. Janssen’s practice accepts Kaiser Permanente and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Janssen’s office at (303) 388-4461.

    Where did Dr. Janssen go to medical school and complete their residency?

    • Fellowship: University of Colorado | University of Colorado | University of Colorado Denver, Pulmonary and Critical Care | (Pulmonary Disease & Critical Care Medicine), UNIVERSITY OF COLORADO HEALTH SCIENCE CENTER, AURORA, CO

    • Residency: Ohio State University Medical Center | Ohio State University Medical Center

    • Medical School: Ohio State University College of Medicine And Public Health,Columbus, Ohio, United States | Ohio State University / College of Medicine

    Is Dr. Janssen board certified as a Pulmonologist?

    Yes, Dr. William Janssen, MD is board certified by the American Board of Internal Medicine since 2001, American Board of Internal Medicine since 2004, American Board of Internal Medicine since 2005

    What languages does Dr. Janssen speak?

    Dr. Janssen and their clinical team can communicate with patients in the following languages:

    • English

    What conditions does a Pulmonologist like Dr. Janssen typically treat?

    As a Pulmonologist, conditions treated by Dr. William Janssen may include:

    Please contact Dr. Janssen's office directly to confirm care for your specific condition, for more information, or to schedule a consultation.

    What procedures does a Pulmonologist like Dr. Janssen typically perform?

    Does Dr. Janssen accept my insurance?

    Dr. Janssen accepts most major insurance plans. Important: Please call our office at (303) 388-4461 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Janssen accept in Denver, CO?

    Dr. Janssen in Denver, CO accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • Cigna Group

    • H & R Block

    • Humana

    • Kaiser Permanente

    View All Insurances

    Where is Dr. Janssen's office located?

    Dr. William Janssen's Primary Practice

    1400 Jackson St

    Denver, CO 80206

    (303) 388-4461

    Get Directions

    Recognitions

    Memberships & Associations

    American Thoracic Society

    Board Member

    Society of Critical Care Medicine

    Board Member

    American College of Chest Physicians

    Board Member

    American Thoracic Society

    Member

    Society of Critical Care Medicine

    Member

    American College of Chest Physicians

    Member

    What is Dr. Janssen's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.

    Dr. Janssen's National Provider Identifier (NPI) number is 1811905367.

    What common questions do patients ask about Dr. Janssen?

    Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Janssen

    What is Dr. William Janssen's specialty?

    Dr. Janssen is a Pulmonologist near Denver, CO.

    What does a Pulmonologist do?

    An internist specializing in the treatment of lung and airway diseases. The pulmonologist diagnoses and manages conditions such as cancer, pneumonia, pleurisy, asthma, occupational and environmental illnesses, bronchitis, sleep disorders, emphysema, and other complex lung disorders.

    Is this Dr. William Janssen affiliated with a ranked Castle Connolly Top Hospital?

    No, Janssen is not affiliated with a Castle Connolly Top Hospital, but is affiliated with the following hospitals: National Jewish Health. Castle Connolly Top Hospitals are identified through a rigorous peer nomination process, evaluating factors like patient outcomes, quality of care, and expertise. The list recognizes hospitals that excel in 20 or more specific medical procedures, representing the top 25% nationwide. Castle Connolly Top Hospitals

    When to see a Pulmonologist?: Guides for symptoms, conditions, and treatments

    Understand your symptoms and know when it’s time to see a Pulmonologist. Explore insights from trusted medical experts on EverydayHealth.com, where you'll find the most relevant content and helpful condition guides for up-to date information about symptoms, causes, diagnosis, treatment and more. See all our health guides to find trusted information on medical conditions from our experts at Everyday Health.

    Is William Janssen accepting new patients in Denver, CO?

    Yes, Dr. William Janssen is accepting new patients at this time.

    Does Dr. William Janssen offer online booking?

    Please contact Dr. Janssen's office at (303) 388-4461 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with William Janssen?

    Please contact Dr. Janssen's office at (303) 388-4461 for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. William Janssen have?

    Dr. William Janssen is certified by the American Board of Internal Medicine.

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