WILLIAM J JANSSEN MD
NPI 1811905367
Internal Medicine - Pulmonary Disease in Denver, CO
About William J Janssen Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WILLIAM J JANSSEN MD (NPI 1811905367) is an individual pulmonary disease provider in Denver, Colorado, licensed in Colorado (41254) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS and is a graduate of Ohio State University College Of Medicine (1998).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
William J Janssen Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 80206 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is William Janssen's NPI number?
The NPI number for William Janssen is 1811905367. It was assigned to this individual provider in the NPPES registry on August 3, 2006.
Where is William Janssen located?
William Janssen practices at 1400 Jackson St, Denver, CO 80206. The listed phone number is (303) 388-4461.
What is William Janssen's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.
Is William Janssen enrolled in Medicare?
Yes. William Janssen is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
What insurance does William Janssen accept?
Health plans from Blue Cross and Blue Shield of Montana and Mountain Health CO-OP list William Janssen as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for William Janssen was last updated on February 23, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# William J Janssen, MD · NPI 1811905367
Pulmonary Disease physician in Denver, Colorado. Individual provider, active in the CMS NPPES registry since August 3, 2006.
## Identity
- **NPI:** 1811905367 (Entity type: Individual)
- **Enumerated:** August 3, 2006
- **Primary specialty:** Internal Medicine - Pulmonary Disease · taxonomy 207RP1001X
- **State license:** 41254 (Colorado)
- **Sole proprietor:** No
## Practice location
- **Address:** 1400 JACKSON ST, Denver, CO 80206-2761
- **Phone:** (303) 388-4461 · **Fax:** (303) 270-2206
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Medical school:** Ohio State University College Of Medicine, class of 1998
## Record status
- **NPPES last updated:** February 23, 2021
- **Other identifiers:** Medicaid 70623244 (CO)
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Source: [NPI Profile](https://npiprofile.com/npi/1811905367) · Data from the CMS NPPES public registry.