COLLEEN BRIDGET BYRNES ARNP
NPI 1942286422
Nurse Practitioner in Osage, IA
About Colleen Bridget Byrnes Arnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
COLLEEN BRIDGET BYRNES ARNP (NPI 1942286422) is an individual nurse practitioner in Osage, Iowa, licensed in Iowa (A099600) and active in the NPI registry since December 2005. She is enrolled in Medicare PECOS, is affiliated with Mercyone North Iowa Medical Center, and is a graduate of Other (2002).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Accepted Insurance
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
Colleen Bridget Byrnes Arnp 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 Colleen Byrnes reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Osage, IA 50461
- Reassigned Medicare billing, Iowa enrollment
- Also billed through NPI 1033291927 (Iowa)
- 24 clinicians in this Medicare group
Rockford, IA 50468
- Reassigned Medicare billing, Iowa enrollment
- 420 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.
Hospital Affiliations CMS Care Compare 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mercyone North Iowa Medical Center
Acute Care Hospitals · Mason City, IAMitchell County Regional Health
Critical Access Hospitals · Osage, IAFloyd County Medical Center
Critical Access Hospitals · Charles City, IAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 50461 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 7
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 12
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 Colleen Byrnes's NPI number?
The NPI number for Colleen Byrnes is 1942286422. It was assigned to this individual provider in the NPPES registry on December 16, 2005.
Where is Colleen Byrnes located?
Colleen Byrnes practices at 620 N 8th St, Osage, IA 50461. The listed phone number is (641) 732-6100.
What is Colleen Byrnes's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is Colleen Byrnes enrolled in Medicare?
Yes. Colleen Byrnes 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 Colleen Byrnes's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Colleen Byrnes reassigns Medicare benefits to 2 organizations: Mitchell County Memorial Hospital (Osage, IA) and North Iowa Mercy Clinics (Rockford, IA). 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 Colleen Byrnes's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Colleen Byrnes accept?
Health plans from Oscar Health, Oscar Insurance Company and Wellmark Health Plan of Iowa, Inc. list Colleen Byrnes 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.
Is Colleen Byrnes affiliated with any hospitals?
According to CMS data, Colleen Byrnes is affiliated with Mercyone North Iowa Medical Center, Mitchell County Regional Health and Floyd County Medical Center.
When was this NPI record last updated?
The NPPES record for Colleen Byrnes was last updated on May 20, 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.