NAOMI MUTHONI RUIRU NP
NPI 1003366733
Nurse Practitioner - Family in La Crosse, WI
About Naomi Muthoni Ruiru Np NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
NAOMI MUTHONI RUIRU NP (NPI 1003366733) is an individual family provider in La Crosse, Wisconsin, licensed in Wisconsin (11121-33) and active in the NPI registry since October 2016. She is enrolled in Medicare PECOS, is affiliated with Gundersen Lutheran Medical Center, and maintains a secondary practice location in La Crosse.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 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
Naomi Muthoni Ruiru 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
10Medicare enrollment records show Naomi Ruiru reassigns Medicare billing to 10 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 enrollment
- 1,457 clinicians in this Medicare group
Minneapolis, MN 55437
- Reassigned Medicare billing, Minnesota enrollment
- 93 clinicians in this Medicare group
Minneapolis, MN 55437
- Reassigned Medicare billing, Minnesota enrollment
- 90 clinicians in this Medicare group
Hartford, WI 53027
- Reassigned Medicare billing, Wisconsin enrollment
- 65 clinicians in this Medicare group
Hartford, WI 53027
- Reassigned Medicare billing, Wisconsin enrollment
- 71 clinicians in this Medicare group
Osceola, IA 50213
- Reassigned Medicare billing, Iowa enrollment
- 204 clinicians in this Medicare group
Osceola, IA 50213
- Reassigned Medicare billing, Iowa enrollment
- 217 clinicians in this Medicare group
Cincinnati, OH 45220
- Reassigned Medicare billing, Ohio enrollment
- 107 clinicians in this Medicare group
Cincinnati, OH 45220
- Reassigned Medicare billing, Ohio enrollment
- 109 clinicians in this Medicare group
Westerville, OH 43082
- Reassigned Medicare billing, Ohio enrollment
- 119 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 5
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
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 Naomi Ruiru's NPI number?
The NPI number for Naomi Ruiru is 1003366733. It was assigned to this individual provider in the NPPES registry on October 5, 2016.
Where is Naomi Ruiru located?
Naomi Ruiru practices at 1836 South Ave, La Crosse, WI 54601. The listed phone number is (608) 782-7300.
What is Naomi Ruiru's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Naomi Ruiru enrolled in Medicare?
Yes. Naomi Ruiru 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 Naomi Ruiru's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Naomi Ruiru reassigns Medicare benefits to 10 organizations: Gundersen Lutheran Medical Center, Inc (La Crosse, WI), Curana Health Of Minnesota PLLC (Minneapolis, MN), Ch Specialty Services Mn PC (Minneapolis, MN), Ch Specialty Services Wi Sc (Hartford, WI), Curana Health Of Wisconsin Inc (Hartford, WI) and 5 more organizations, listed in the Medicare section above. 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 Naomi Ruiru's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Naomi Ruiru accept?
Health plans from Aspirus Health Plan, HealthPartners, Oscar Insurance Company and Wellmark Health Plan of Iowa, Inc. list Naomi Ruiru 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 Naomi Ruiru affiliated with any hospitals?
According to CMS data, Naomi Ruiru is affiliated with Gundersen Lutheran Medical Center.
When was this NPI record last updated?
The NPPES record for Naomi Ruiru was last updated on September 24, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 35 days 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.
# Naomi Muthoni Ruiru, NP · NPI 1003366733
Family physician in La Crosse, Wisconsin. Individual provider, active in the CMS NPPES registry since October 5, 2016.
## Identity
- **NPI:** 1003366733 (Entity type: Individual)
- **Enumerated:** October 5, 2016
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** 11121-33 (Wisconsin)
- **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:** 10 organizations under Medicare reassignment (form CMS-855R): Gundersen Lutheran Medical Center, Inc (NPI 1689918377, La Crosse, WI); Curana Health Of Minnesota PLLC (NPI 1083365084, Minneapolis, MN); Ch Specialty Services Mn PC (NPI 1841999158, Minneapolis, MN); Ch Specialty Services Wi Sc (NPI 1063115319, Hartford, WI); Curana Health Of Wisconsin Inc (NPI 1699407890, Hartford, WI); and 5 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2021
## Record status
- **NPPES last updated:** September 24, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1003366733) · Data from the CMS NPPES public registry.