Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

NAOMI MUTHONI RUIRU APNP
NPI 1003366733
Nurse Practitioner - Family in La Crosse, WI

Q: 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.

Q: What is Naomi Ruiru's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Q: When was this NPI record last updated?

The NPPES record for Naomi Ruiru was last updated on July 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 25 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.

Active since October 05, 2016PECOS Enrolled

1836 SOUTH AVE, LA CROSSE, WI 54601(608) 782-7300 Get Directions Write a Review

NPPES record last updated: July 14, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 14, 2026, May 24, 2022, Oct 22, 2021 and 1 more (4 updates tracked since 2021).

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About Naomi Muthoni Ruiru Apnp NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

NAOMI MUTHONI RUIRU APNP (NPI 1003366733) is an individual family provider in La Crosse, Wisconsin, licensed in Wisconsin (11121) 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

NPI1003366733

Entity TypeIndividualFemale

Primary Taxonomy363LF0000X

Provider Legal NameNAOMI MUTHONI RUIRUCredential: APNP

Location Address1836 SOUTH AVELa Crosse, WI 54601-5429

Mailing Address1836 South AveLa Crosse, WI 54601-5429 · (608) 782-7300

Phone(608) 782-7300

Sole ProprietorNo

Medical School CMSOtherGraduated 2021

Enumeration DateOctober 5, 2016

Last NPPES UpdateJuly 14, 20264 updates tracked since enumeration

NPPES CertifiedJuly 14, 2026

✔ NPI 1003366733 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363LF0000X

Licenses✔ Licensed in WI · 11121✔ Licensed in IA · A163915✔ Licensed in MN · 8952

Also ListedNurse PractitionerTaxonomy 363L00000X · License 11121-33 (WI)

1836 SOUTH AVE, La Crosse, WI 54601

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Secondary Practice Location 1

Location 1800 West Ave SLA Crosse, WI 54601-8806 · Phone (608) 785-0940

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Aspirus Health Plan, HealthPartners.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Naomi Muthoni Ruiru Apnp 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.

PECOS PAC ID3678961182

PECOS Enrollment IDI20211102000798

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

52 services27 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

22 services22 patients

Hospital discharge day management, 30 minutes or less 99238

Hospital discharge day management of 30 minutes or less includes finalizing your treatment, discussing your progress, and planning after-care at home. It ensures you're ready to leave the hospital and continue recovery safely.

18 services18 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

16 services16 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

14 services13 patients

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, WI

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number520087

Location1910 South AveLa Crosse, WI 54601 · La Crosse County

Emergency services Birthing friendly

Physician 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.

New Patient

$82.92 typical visit price

range $53.90 – $163.24

Typical copayment $20.73 (range $13.47 – $40.81)

Most-billed visit code 99203

Established Patient

$95.41 typical visit price

range $17.40 – $133.76

Typical copayment $23.85 (range $4.35 – $33.44)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

JEFFREY BRIAN TROHKIMOINEN M.D.

Anesthesiology

1836 SOUTH AVE, GUNDERSEN CLINIC, LTD.
LA CROSSE, WI 54601

La Crosse County (608) 775-2031

JESSICA E THESING CRNA

Nurse Anesthetist, Certified Registered