
Overview
William Janssen is a Pulmonary Medicine provider practicing medicine in Denver, Colorado.
Dr. Janssen is highly rated in 4 conditions, according to our data. His clinical expertise encompasses Pneumonia, Cerebral Hypoxia, Pulmonary Fibrosis, and Pulmonary Hypertension.
He is actively involved in clinical research, co-authoring 107 peer reviewed articles and participating in 3 clinical trials.
Specialties
Licenses
Hospital Affiliations
Languages Spoken
Gender
Insurance
Accepted insurance can change. Please verify directly with the provider.
Accepted insurance plans:
- HMO
- INDEMNITY
- POS
- PPO
Locations
1400 Jackson St, Denver, CO 80206
1375 E 19th Ave, Denver, CO 80218
Clinical Research
Clinical research consists of overseeing clinical studies of patients undergoing new treatments and therapies, and publishing articles in peer reviewed medical journals. Providers who actively participate in clinical research are generally at the forefront of the fields and aware of the most up-to-date advances in treatments for their patients.
3 Clinical Trials
National Jewish Health
Jeffrey Swigris is a Pulmonary Medicine provider practicing medicine in Denver, Colorado. Dr. Swigris is highly rated in 15 conditions, according to our data. His clinical expertise encompasses Acute Interstitial Pneumonia, Interstitial Lung Disease, Pulmonary Fibrosis, and Idiopathic Pulmonary Fibrosis.
National Jewish Health
National Jewish Health. Dr. Wechsler is highly rated in 13 conditions, according to our data. His clinical expertise encompasses Asthma, Eosinophilic Granulomatosis with Polyangiitis (EGPA, Churg-Strauss Syndrome), Hypereosinophilic Syndrome, and Eosinophilic Asthma. Dr. Wechsler is board certified in American Board Of Internal Medicine. Dr. Wechsler is currently accepting new patients.
University Of Colorado Hospital Authority
Joyce Lee is a Pulmonary Medicine provider practicing medicine in Aurora, Colorado. Dr. Lee is highly rated in 14 conditions, according to our data. Her clinical expertise encompasses Acute Interstitial Pneumonia, Interstitial Lung Disease, Idiopathic Pulmonary Fibrosis, Pulmonary Fibrosis, and Lung Transplant.
Frequently Asked Questions about Dr. William Janssen
How do I make an appointment with Dr. William Janssen?
You can book an appointment with Dr. William Janssen by calling their office at 303-388-4461. MediFind provides direct contact information so you can schedule visits, second opinions, or consultations without navigating third-party calendars.
Is Dr. William Janssen a top-rated expert for Pneumonia?
MediFind is an objective health platform that identifies experts based on real-world data. Dr. William Janssen is classified as an Distinguished expert for Pneumonia, meaning they are among the top experts in the country for this condition. This ranking is based on their volume of patients, published research, and peer connections.
What conditions does Dr. William Janssen specialize in?
While Dr. William Janssen is a Pulmonary Medicine, they have specific expertise in Pneumonia, Cerebral Hypoxia, and Pulmonary Fibrosis. MediFind analyzes a doctor's articles and referral patterns to identify their specific areas of focus within Pulmonary Medicine.
Does Dr. William Janssen participate in research or clinical trials?
Yes. Dr. William Janssen has published 107 articles and abstracts on conditions like Pneumonia. You can view a list of Dr. William Janssen's latest peer-reviewed publications and clinical trial participation on their profile to see if they are active in new treatments.
Does Dr. William Janssen accept my insurance?
Dr. William Janssen accepts most major insurance plans, including Humana. We recommend calling the office directly at 303-388-4461 to verify that your specific plan is currently accepted before your visit.
Areas of Expertise
MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.
Learn more about MediFind’s expert tiers
- Distinguished
- PneumoniaDr. Janssen isDistinguished. Learn about Pneumonia.
- Advanced
- Cerebral HypoxiaDr. Janssen isAdvanced. Learn about Cerebral Hypoxia.
- Pulmonary FibrosisDr. Janssen isAdvanced. Learn about Pulmonary Fibrosis.
- Pulmonary HypertensionDr. Janssen isAdvanced. Learn about Pulmonary Hypertension.
- Experienced
- Acute Interstitial PneumoniaDr. Janssen isExperienced. Learn about Acute Interstitial Pneumonia.
- Acute Respiratory Distress Syndrome (ARDS)
- AsthmaDr. Janssen isExperienced. Learn about Asthma.
- Chronic Obstructive Pulmonary Disease (COPD)
- COVID-19Dr. Janssen isExperienced. Learn about COVID-19.
- Cystic FibrosisDr. Janssen isExperienced. Learn about Cystic Fibrosis.

