HealthCareAtlasUSA

This site republishes official CMS/Medicare Care Compare data. It is not medical advice and does not recommend any specific hospital or treatment — for medical decisions, talk to a doctor.

Doctors / CO

WILLIAM J JANSSEN, MD

PULMONARY DISEASE

Medical school: OHIO STATE UNIVERSITY COLLEGE OF MEDICINE

Graduated: 1998

Also: CRITICAL CARE (INTENSIVISTS)

NPI: 1811905367

Practice Locations (2)

NATIONAL JEWISH HEALTH

1400 JACKSON ST

DENVER, CO 802062761

3033981355

DENVER HEALTH AND HOSPITAL AUTHORITY

777 BANNOCK ST

DENVER, CO 802044507

3034366000

Source: CMS National Downloadable File, September 2026.

WILLIAM JANSSEN, MD | HealthCareAtlasUSA