NATASHA KAYE GUILLIEN NP
NPI 1467109256
Nurse Practitioner - Women's Health in La Crosse, WI
About Natasha Kaye Guillien Np NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
NATASHA KAYE GUILLIEN NP (NPI 1467109256) is an individual women's health provider in La Crosse, Wisconsin, licensed in Minnesota (9251) and active in the NPI registry since March 2022. She is enrolled in Medicare PECOS, is affiliated with Gundersen Lutheran Medical Center, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 2
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
Natasha Kaye Guillien Np 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 Natasha Guillien reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
La Crosse, WI 54601
- Reassigned Medicare billing, Wisconsin and Minnesota enrollments
- Also billed through NPI 1376593442 (Minnesota)
- 1,457 clinicians in this Medicare group
Red Wing, MN 55066
- Reassigned Medicare billing, Minnesota enrollment
- 1,571 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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Gundersen Lutheran Medical Center
Acute Care Hospitals · La Crosse, WIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 54601 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.
LA CROSSE, WI 54601
LA CROSSE, WI 54601
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 Natasha Guillien's NPI number?
The NPI number for Natasha Guillien is 1467109256. It was assigned to this individual provider in the NPPES registry on March 2, 2022.
Where is Natasha Guillien located?
Natasha Guillien practices at 1836 South Ave, La Crosse, WI 54601. The listed phone number is (608) 782-7300.
What is Natasha Guillien's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Women's Health, with taxonomy code 363LW0102X.
Is Natasha Guillien enrolled in Medicare?
Yes. Natasha Guillien 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 Natasha Guillien's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Natasha Guillien reassigns Medicare benefits to 2 organizations: Gundersen Lutheran Medical Center, Inc (La Crosse, WI) and Mayo Clinic Health System-Southeast Minnesota Region (Red Wing, MN). 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 Natasha Guillien's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Natasha Guillien accept?
Health plans from Anthem Blue Cross and Blue Shield, Aspirus Health Plan, HealthPartners and Quartz list Natasha Guillien 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 Natasha Guillien affiliated with any hospitals?
According to CMS data, Natasha Guillien is affiliated with Gundersen Lutheran Medical Center.
When was this NPI record last updated?
The NPPES record for Natasha Guillien was last updated on April 21, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.
# Natasha Kaye Guillien, NP · NPI 1467109256
Women's Health physician in La Crosse, Wisconsin. Individual provider, active in the CMS NPPES registry since March 2, 2022.
## Identity
- **NPI:** 1467109256 (Entity type: Individual)
- **Enumerated:** March 2, 2022
- **Primary specialty:** Nurse Practitioner - Women's Health · taxonomy 363LW0102X
- **State license:** 9251 (Minnesota)
- **Sole proprietor:** No
## Practice location
- **Address:** 1836 SOUTH AVE, La Crosse, WI 54601-5429
- **Phone:** (608) 782-7300
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Gundersen Lutheran Medical Center, Inc (NPI 1619210895, La Crosse, WI); Mayo Clinic Health System-Southeast Minnesota Region (NPI 1114453883, Red Wing, MN) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2021
## Record status
- **NPPES last updated:** April 21, 2025
- **Other identifiers:** Other 104460987
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Source: [NPI Profile](https://npiprofile.com/npi/1467109256) · Data from the CMS NPPES public registry.