NPPES file of Aug 9, 2026

Trevor Koslowski

Gerontology Nurse Practitioner · Park Falls, WI

Trevor Koslowski is a gerontology nurse practitioner with a practice address in Park Falls, Wisconsin, and NPI 1437035110, issued on Aug 15, 2025. Check the license (Wisconsin 18000, as entered in NPPES) with the Wisconsin board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1437035110
Name
Trevor Koslowski
Primary taxonomy
Gerontology Nurse Practitioner 363LG0600X
License number
18000 WI
Self-reported in NPPES; status is on the state search
Practice location
98 Sherry Ave, Park Falls, WI 54552
Phone
(715) 762-2484
Enumerated
Aug 15, 2025
Record last updated
Feb 27, 2026
Medicare enrollment
Enrolled (PECOS I20260311000514); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest gerontology nurse practitioner records → All 146 in Wisconsin → Look up another NPI →

Also registered at 98 Sherry Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Riliwanu Aliu, MDEmergency Medicine Physician1619397197
  2. Alexandra Bice, LPCProfessional Counselor1063927432
  3. Mike Charlier, OTROccupational Therapist1013571645
  4. Susan Fuerst, M.S., P.T.Physical Therapist1841466315
  5. Amanda Jackson, NPPsychiatric/Mental Health Nurse Practitioner1952001893
  6. Joan Korpi Chauss, OTR/L, CEAOccupational Therapist1548353253

Verify Trevor Koslowski in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
    Search for license 18000    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Wisconsin license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. Flambeau Hospital, Inc.Park Falls, WI

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Trevor Koslowski among 146 gerontology nurse practitioner records in Wisconsin

Trevor Koslowski is one of 146 gerontology nurse practitioner records with a practice address in Wisconsin. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2025, is newer than 87% of them.

  • NPI issued2025 · 87% of these records are older, 5% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileYes · 55% of these records are
  • Graduated2025 · median 2021 among the 80 with a school on file
  • Record last updated2026 · 39% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LG0600X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

2 gerontology nurse practitioner records list a practice address in Park Falls

They are 2 of the 81 NPPES records with a practice address in Park Falls, and 146 gerontology nurse practitioner records in Wisconsin.

All 146 in Wisconsin → Every provider in Park Falls → Gerontology Nurse Practitioner nationwide →

The 8 gerontology nurse practitioner records with the nearest ZIP codes

  1. Jane Novitzke, APNP, RN, NHAPark Falls, WI 545521508942541
  2. Suzanne Blimling, AGNPMinocqua, WI 545481366018558
  3. Gabriel Buechel, DNPMinocqua, WI 545481710721451
  4. Pamela Thul-Immler, NURSE PRACTITIONERWoodruff, WI 545681730381591
  5. Christina Arostegui, APNPLa Crosse, WI 546011770086712
  6. Linda Butterworth, GNPLa Crosse, WI 546011942281670
  7. Ma. Theresa Fredrickson, DNP, AGPCNP-BCLa Crosse, WI 546011760157234
  8. Cindy Glennie, GNPLa Crosse, WI 546011639151889

Common questions

What is Trevor Koslowski's NPI number?

Trevor Koslowski's National Provider Identifier (NPI) is 1437035110, issued on Aug 15, 2025. An NPI identifies a provider in billing; it is not a license.

Where is Trevor Koslowski located?

The NPPES record lists a practice address at 98 Sherry Ave, Park Falls, WI, 54552. Phone: (715) 762-2484. Providers update this record themselves, so call before visiting.

How can I verify Trevor Koslowski's license?

NPPES lists Wisconsin license number 18000, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.