ERIN KOENIG M.D.
NPI 1619339116
Internal Medicine in Fort Collins, CO
About Erin Koenig M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ERIN KOENIG M.D. (NPI 1619339116) is an individual internal medicine provider in Fort Collins, Colorado, licensed in Colorado (DR.0061979) and active in the NPI registry since March 2016. She is enrolled in Medicare PECOS, is affiliated with Regional West Medical Center, and is a graduate of University Of North Dakota School Of Medicine (2016).
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
Erin Koenig 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 Reassignments
2Medicare enrollment records show Erin Koenig reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Fort Collins, CO 80528
- Reassigned Medicare billing, Colorado enrollment
- 92 clinicians in this Medicare group
Ft Collins, CO 80525
- Reassigned Medicare billing, Colorado enrollment
- 108 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
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.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Regional West Medical Center
Acute Care Hospitals · Scottsbluff, NEIvinson Memorial Hospital
Acute Care Hospitals · Laramie, WYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 80525 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.
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 Erin Koenig's NPI number?
The NPI number for Erin Koenig is 1619339116. It was assigned to this individual provider in the NPPES registry on March 23, 2016.
Where is Erin Koenig located?
Erin Koenig practices at 2637 Midpoint Dr Ste B, Fort Collins, CO 80525. The listed phone number is (970) 488-1666.
What is Erin Koenig's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Erin Koenig enrolled in Medicare?
Yes. Erin Koenig 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 organizations bill Medicare for Erin Koenig's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Erin Koenig reassigns Medicare benefits to 2 organizations: Northern Colorado Hospitalists Professional LLC (Fort Collins, CO) and Pathways Hospice (Ft Collins, CO). Each 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 Erin Koenig's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Erin Koenig affiliated with any hospitals?
According to CMS data, Erin Koenig is affiliated with Regional West Medical Center and Ivinson Memorial Hospital.
When was this NPI record last updated?
The NPPES record for Erin Koenig was last updated on November 4, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.
# Erin Koenig, M.D. · NPI 1619339116
Internal Medicine physician in Fort Collins, Colorado. Individual provider, active in the CMS NPPES registry since March 23, 2016.
## Identity
- **NPI:** 1619339116 (Entity type: Individual)
- **Enumerated:** March 23, 2016
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** DR.0061979 (Colorado)
- **Sole proprietor:** No
## Practice location
- **Address:** 2637 MIDPOINT DR STE B, Fort Collins, CO 80525-4408
- **Phone:** (970) 488-1666
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Northern Colorado Hospitalists Professional LLC (NPI 1831315662, Fort Collins, CO); Pathways Hospice (NPI 1003520859, Ft Collins, CO) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of North Dakota School Of Medicine, class of 2016
## Record status
- **NPPES last updated:** November 4, 2019
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Source: [NPI Profile](https://npiprofile.com/npi/1619339116) · Data from the CMS NPPES public registry.