1. Home
  2. Directory
  3. Wisconsin
  4. La Crosse
  5. Nurse Practitioner
  6. NPI Profile
Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

CAROLINE MARIE MUZIC NP
NPI 1235858101
Nurse Practitioner - Adult Health in La Crosse, WI

Active since August 24, 2022PECOS EnrolledAccepts Medicare Assignment
1836 SOUTH AVE, LA CROSSE, WI 54601(608) 782-7300 Get Directions Write a Review

NPPES record last updated: September 11, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 11, 2026, Jan 12, 2023, Dec 14, 2022 and 1 more (4 updates tracked since 2022).

About Caroline Marie Muzic Np NPPES

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

CAROLINE MARIE MUZIC NP (NPI 1235858101) is an individual adult health provider in La Crosse, Wisconsin, licensed in Wisconsin (12057) and active in the NPI registry since August 2022. She is enrolled in Medicare PECOS, is affiliated with Gundersen Lutheran Medical Center, and is a graduate of Other (2021).

NPPES Registry Identity

NPI1235858101
Entity TypeIndividualFemale
Primary Taxonomy363LA2200X
Provider Legal NameCAROLINE MARIE MUZICCredential: NP
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 DateAugust 24, 2022
Last NPPES UpdateSeptember 11, 20264 updates tracked since enumeration
NPPES CertifiedSeptember 11, 2026
✔ NPI 1235858101 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · Adult HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LA2200X
License✔ Licensed in WI · 12057
Also ListedNurse Practitioner · Primary CareTaxonomy 363LP2300X · License 12057-33 (WI)
1836 SOUTH AVE, La Crosse, WI 54601
Open in Google Maps ↗

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

Caroline Marie Muzic 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 ID5294106167
PECOS Enrollment IDI20230201001261, I20230327000721
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

4

Medicare enrollment records show Caroline Muzic reassigns Medicare billing to 4 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
1836 SOUTH AVE
La Crosse, WI 54601
  • Reassigned Medicare billing, Wisconsin and Minnesota enrollments
  • Also billed through NPI 1376593442 (Minnesota)
  • 1,457 clinicians in this Medicare group
NPI 1689918377 (608) 782-7300
Gundersen Clinic Ltd
0.1 mi
Clinic/Center
1836 SOUTH AVE
La Crosse, WI 54601
  • Reassigned Medicare billing, Wisconsin enrollment
  • 928 clinicians in this Medicare group
NPI 1851343115 (608) 782-7300
Tri-County Memorial Hospital, Inc.
34 mi
Rural Health
420 S PETERSON AVE
Blair, WI 54616
  • Reassigned Medicare billing, Wisconsin enrollment
  • Also billed through NPI 1124063573 (Wisconsin)
  • 293 clinicians in this Medicare group
NPI 1659625192 (608) 989-2505
St. Joseph's Health Services, Inc.
46 mi
Critical Access
400 WATER AVE
Hillsboro, WI 54634
  • Reassigned Medicare billing, Wisconsin enrollment
  • Medicare enrollment name: St Josephs Health Services Inc
  • 282 clinicians in this Medicare group
NPI 1972591410 (608) 489-8000

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.

Removal of fingernails or toenails, 6 or more nails 11721
This procedure involves the removal of six or more fingernails or toenails. It's typically done to treat severe nail infections, persistent pain, or abnormal nail growth. Local anesthesia is used to minimize discomfort. Healing usually takes a few weeks.
327 services172 patients
Removal of fingernails or toenails, 6 or more nails 11721
This procedure involves the removal of six or more fingernails or toenails. It's typically done to treat severe nail infections, persistent pain, or abnormal nail growth. Local anesthesia is used to minimize discomfort. Healing usually takes a few weeks.
251 services132 patients
Removal of noncancer thickened skin growth, 1 growth 11055
This procedure involves the removal of a thickened skin growth that is not cancerous. A healthcare professional will safely extract the growth, usually under local anesthesia. This process helps maintain skin health and prevent potential complications.
15 services11 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
13 services12 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 Tri-County Hospital & Clinics

Critical Access Hospitals · Whitehall, WI
OwnershipVoluntary non-profit - Private
CMS Certification Number521316
Location18601 Lincoln StWhitehall, WI 54773 · Trempealeau County
Emergency services

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
1836 SOUTH AVE
LA CROSSE, WI 54601
La Crosse County (608) 782-7300
DR. MICHAEL DAVID SMITH PSY.D.
Psychologist
1836 SOUTH AVE
LA CROSSE, WI 54601
La Crosse County (608) 782-7300
JESSICA MAE RASMUSSEN
Surgery
1836 SOUTH AVE
LA CROSSE, WI 54601
La Crosse County (608) 782-7300
JULIE SONSALLA NP
Nurse Practitioner (Adult Health)
1836 SOUTH AVE
LA CROSSE, WI 54601
La Crosse County (608) 782-7300
LAURA KLINGBEIL
Orthopaedic Surgery
1836 SOUTH AVE
LA CROSSE, WI 54601
La Crosse County (608) 782-7300
SUSAN CAROL SORRENTINO RN
Registered Nurse (Addiction (Substance Use Disorder))
1836 SOUTH AVE
LA CROSSE, WI 54601
La Crosse County (608) 782-7300
NAOMI MUTHONI RUIRU NP
Nurse Practitioner (Family)
1836 SOUTH AVE
LA CROSSE, WI 54601
La Crosse County (608) 782-7300

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 Caroline Muzic's NPI number?

The NPI number for Caroline Muzic is 1235858101. It was assigned to this individual provider in the NPPES registry on August 24, 2022.

Where is Caroline Muzic located?

Caroline Muzic practices at 1836 South Ave, La Crosse, WI 54601. The listed phone number is (608) 782-7300.

What is Caroline Muzic's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Adult Health, with taxonomy code 363LA2200X.

Is Caroline Muzic enrolled in Medicare?

Yes. Caroline Muzic 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 Caroline Muzic's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Caroline Muzic reassigns Medicare benefits to 4 organizations: Gundersen Lutheran Medical Center, Inc (La Crosse, WI), Gundersen Clinic Ltd (La Crosse, WI), Tri-County Memorial Hospital, Inc. (Blair, WI) and St. Joseph's Health Services, Inc. (Hillsboro, WI). 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 Caroline Muzic's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Caroline Muzic accept?

Health plans from Anthem Blue Cross and Blue Shield, Aspirus Health Plan, HealthPartners and Quartz list Caroline Muzic 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 Caroline Muzic affiliated with any hospitals?

According to CMS data, Caroline Muzic is affiliated with Gundersen Lutheran Medical Center and Gundersen Tri-County Hospital & Clinics.

When was this NPI record last updated?

The NPPES record for Caroline Muzic was last updated on September 11, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 41 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.