IRENA MILLER
NPI 1942178777
Nurse Practitioner - Primary Care in Glenwood Springs, CO
About Irena Miller NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
IRENA MILLER (NPI 1942178777) is an individual primary care provider in Glenwood Springs, Colorado, licensed in Colorado (APN.1001300-NP) and active in the NPI registry since October 2025. She is enrolled in Medicare PECOS and is a graduate of Other (2025).
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
Irena Miller 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 Irena Miller reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Rifle, CO 81650
- Reassigned Medicare billing, Colorado enrollment
- Also billed through NPI 1649218991 (Colorado)
- 93 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 81601 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Irena Miller's NPI number?
The NPI number for Irena Miller is 1942178777. It was assigned to this individual provider in the NPPES registry on October 24, 2025.
Where is Irena Miller located?
Irena Miller practices at 46109 Highway 6, Glenwood Springs, CO 81601. The listed phone number is (970) 355-8582.
What is Irena Miller's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Primary Care, with taxonomy code 363LP2300X.
Is Irena Miller enrolled in Medicare?
Yes. Irena Miller 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 Irena Miller's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Irena Miller reassigns Medicare benefits to Grand River Hospital District (Rifle, 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 Irena Miller'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 Irena Miller was last updated on October 24, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 months 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.
# Irena Miller · NPI 1942178777
Primary Care physician in Glenwood Springs, Colorado. Individual provider, active in the CMS NPPES registry since October 24, 2025.
## Identity
- **NPI:** 1942178777 (Entity type: Individual)
- **Enumerated:** October 24, 2025
- **Primary specialty:** Nurse Practitioner - Primary Care · taxonomy 363LP2300X
- **State license:** APN.1001300-NP (Colorado)
- **Sole proprietor:** No
## Practice location
- **Address:** 46109 HIGHWAY 6, Glenwood Springs, CO 81601-9792
- **Phone:** (970) 355-8582
## 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:** Grand River Hospital District (NPI 1124074042, Rifle, CO), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2025
## Record status
- **NPPES last updated:** October 24, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1942178777) · Data from the CMS NPPES public registry.