DR. JANETTA LYNNE IWANICKI M.D.
NPI 1649437393
Emergency Medicine in Denver, CO
About Dr. Janetta Lynne Iwanicki M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JANETTA LYNNE IWANICKI M.D. (NPI 1649437393) is an individual emergency medicine provider in Denver, Colorado, licensed in Colorado (2731) and active in the NPI registry since May 2008. She is enrolled in Medicare PECOS and is a graduate of University Of California, San Francisco School Of Medicine (2008).
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Janetta Lynne Iwanicki M.d. 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.
Medicare Billing Reassignment
Medicare enrollment records show Janetta Iwanicki reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Denver, CO 80204
- Reassigned Medicare billing, Colorado enrollment
- 2,259 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 2
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 80204 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
DENVER, CO 80204
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 Janetta Iwanicki's NPI number?
The NPI number for Janetta Iwanicki is 1649437393. It was assigned to this individual provider in the NPPES registry on May 20, 2008.
Where is Janetta Iwanicki located?
Janetta Iwanicki practices at 777 Bannock St, Denver, CO 80204. The listed phone number is (303) 436-7142.
What is Janetta Iwanicki's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Janetta Iwanicki enrolled in Medicare?
Yes. Janetta Iwanicki 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.
Which organization bills Medicare for Janetta Iwanicki's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Janetta Iwanicki reassigns Medicare benefits to Denver Health And Hospital Authority (Denver, CO). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Janetta Iwanicki's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Janetta Iwanicki was last updated on March 16, 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.
# Dr. Janetta Lynne Iwanicki, M.D. · NPI 1649437393
Emergency Medicine physician in Denver, Colorado. Individual provider, active in the CMS NPPES registry since May 20, 2008.
## Identity
- **NPI:** 1649437393 (Entity type: Individual)
- **Enumerated:** May 20, 2008
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 2731 (Colorado)
- **Sole proprietor:** No
## Practice location
- **Address:** 777 BANNOCK ST, Denver, CO 80204-4507
- **Phone:** (303) 436-7142
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Denver Health And Hospital Authority (NPI 1477569838, Denver, CO), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of California, San Francisco School Of Medicine, class of 2008
## Record status
- **NPPES last updated:** March 16, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1649437393) · Data from the CMS NPPES public registry.