NPPES file of Aug 9, 2026

Hayley Larson, RD, LD

Registered Dietitian · Onalaska, WI

Hayley Larson, RD, LD is a registered dietitian with a practice address in Onalaska, Wisconsin, and NPI 1326901687, issued on Dec 4, 2025. Check the license (Wisconsin 6271-29, 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
1326901687
Name
Hayley Larson
Credential
RD, LD
Primary taxonomy
Registered Dietitian 133V00000X
License number
6271-29 WI
Self-reported in NPPES; status is on the state search
Practice location
3111 Gundersen Dr, Onalaska, WI 54650
Phone
(508) 782-7300
Enumerated
Dec 4, 2025
Record last updated
Dec 8, 2025
Medicare enrollment
Enrolled (PECOS I20251218002891); 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 registered dietitian records → All 1,457 in Wisconsin → Look up another NPI →

Also registered at 3111 Gundersen Dr

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

  1. Jeffrey Addison, D.O.Internal Medicine Physician1295268571
  2. Sarah Almonroeder, PA-CMedical Physician Assistant1598049322
  3. Joseph Angell, ATCAthletic Trainer1578556056
  4. Kellie Backman, APNPFamily Nurse Practitioner1639171895
  5. Janet Bahr, NPAdult Health Nurse Practitioner1619163276
  6. Kelley Bahr, MDFamily Medicine Physician1366441297

Verify Hayley Larson 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 6271-29    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. Gundersen Lutheran Medical Center IncOnalaska, WI

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

Hayley Larson among 1,457 registered dietitian records in Wisconsin

Hayley Larson, RD, LD is one of 1,457 registered dietitian records with a practice address in Wisconsin. 12% 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 92% of them.

  • NPI issued2025 · 92% of these records are older, 3% newer
  • In a Medicare fileYes · 12% of these records are
  • In the CMS Doctors and Clinicians fileYes · 13% of these records are
  • Graduated2025 · median 2013 among the 182 with a school on file
  • Record last updated2025 · 63% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 133V00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Registered Dietitian providers in Wisconsin

There are 1,457 registered dietitian records in Wisconsin.

All 1,457 in Wisconsin → Every provider in Onalaska → Registered Dietitian nationwide →

The 8 registered dietitian records with the nearest ZIP codes

  1. Ilkay BaseskiOnalaska, WI 546501982410031
  2. Abigail Breitbach, RDOnalaska, WI 546501932984390
  3. Emma Lonergan, RDOnalaska, WI 546501124894183
  4. Jordan Murray, RDNorwalk, WI 546481689300832
  5. Cassandra Towns, MS, RD, CD, RYT-200Necedah, WI 546461649609256
  6. Megan Berner, RDSparta, WI 546561265300578
  7. Kelly Christen, R.D.Tomah, WI 546601457457822
  8. Nancy Frost-Meyer, MS, RDN, CDCES, CDTomah, WI 546601508961152

Common questions

What is Hayley Larson, RD, LD's NPI number?

Hayley Larson, RD, LD's National Provider Identifier (NPI) is 1326901687, issued on Dec 4, 2025. An NPI identifies a provider in billing; it is not a license.

Where is Hayley Larson, RD, LD located?

The NPPES record lists a practice address at 3111 Gundersen Dr, Onalaska, WI, 54650. Phone: (508) 782-7300. Providers update this record themselves, so call before visiting.

How can I verify Hayley Larson, RD, LD's license?

NPPES lists Wisconsin license number 6271-29, 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.