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

COURTNEY VAN AUKEN NP
NPI 1649674672
Nurse Practitioner - Gerontology in Onalaska, WI

Q: What is Courtney Van Auken's NPI number?

The NPI number for Courtney Van Auken is 1649674672. It was assigned to this individual provider in the NPPES registry on October 20, 2014. The provider is also known as Courtney Nack.

Q: What is Courtney Van Auken's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Gerontology, with taxonomy code 363LG0600X.

Active since October 20, 2014PECOS EnrolledAccepts Medicare Assignment

3111 GUNDERSEN DR, ONALASKA, WI 54650(608) 775-8151 Get Directions Write a Review

NPPES record last updated: September 16, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About Courtney Van Auken Np NPPES

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

COURTNEY VAN AUKEN NP (NPI 1649674672) is an individual gerontology provider in Onalaska, Wisconsin, licensed in Wisconsin (6035) and active in the NPI registry since October 2014. She is enrolled in Medicare PECOS, is affiliated with Gundersen Lutheran Medical Center, and is a graduate of Other (2014).

NPPES Registry Identity

NPI1649674672

Entity TypeIndividualFemale

Primary Taxonomy363LG0600X

Provider Legal NameCOURTNEY VAN AUKENCredential: NP

Location Address3111 GUNDERSEN DROnalaska, WI 54650-8447

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

Phone(608) 775-8151

Sole ProprietorNo

Medical School CMSOtherGraduated 2014

Enumeration DateOctober 20, 2014

Last NPPES UpdateSeptember 16, 2026

NPPES CertifiedSeptember 16, 2026

✔ NPI 1649674672 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

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

Taxonomy Code363LG0600X

License✔ Licensed in WI · 6035

3111 GUNDERSEN DR, Onalaska, WI 54650

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Other Names 1

Former Name (1)Courtney Nack

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 and more.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

Courtney Van Auken 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.

PECOS PAC ID5395967756

PECOS Enrollment IDI20141119001804

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.

Medicare Billing Reassignments

Medicare enrollment records show Courtney Van Auken reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Gundersen Lutheran Medical Center, Inc

Same address

Clinic/Center

3111 GUNDERSEN DR
Onalaska, WI 54650

Reassigned Medicare billing, Wisconsin enrollment
1,457 clinicians in this Medicare group

NPI 1225372923 (608) 782-7300

Gundersen Clinic Ltd

3.0 mi

Clinic/Center

1207 MULBERRY LN
La Crosse, WI 54603

Reassigned Medicare billing, Wisconsin enrollment
928 clinicians in this Medicare group

NPI 1952915639 (608) 782-7300

Tomah Memorial Hospital Inc

34 mi

Critical Access

501 GOPHER DR
Tomah, WI 54660

Reassigned Medicare billing, Wisconsin enrollment
249 clinicians in this Medicare group

NPI 1992970453 (608) 372-2181

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 4

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.

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

325 services254 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

33 services32 patients

Blood creatinine level 82565

A blood creatinine level test measures the amount of creatinine in your blood. Creatinine is a waste product that your body produces when it uses energy. High levels may indicate that your kidneys aren't working properly. This test is often used to monitor kidney health.

27 services22 patients

Blood potassium level 84132

A blood potassium level test measures the amount of potassium in your blood. Potassium is a vital mineral for the body, helping nerves and muscles, especially the heart, to function properly. Abnormal levels can cause health issues like irregular heartbeat, muscle weakness, or numbness.

17 services13 patients

Hospital Affiliations CMS Care Compare 2

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

Gundersen St Josephs Hospital And Clinics

Critical Access Hospitals · Hillsboro, WI

OwnershipVoluntary non-profit - Private

CMS Certification Number521304

Location400 Water AveHillsboro, WI 54634 · Vernon County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 54650 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.

RENEE LYNN MONTI ATC

Specialist