NPPES file of Aug 9, 2026

Trista Marie Williams, AU.D.

Audiologist · La Crosse, WI

Trista Marie Williams, AU.D. is an audiologist with a practice address in La Crosse, Wisconsin, and NPI 1801295092, issued on Aug 14, 2014. Check the license (Wisconsin 596-156, 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
1801295092
Name
Trista Marie Williams
Credential
AU.D.
Primary taxonomy
Audiologist 231H00000X
License number
596-156 WI
Self-reported in NPPES; status is on the state search
Practice location
800 West Ave S, La Crosse, WI 54601
Phone
(171) 583-8363
Enumerated
Aug 14, 2014
Record last updated
Sep 16, 2020 (not updated in 6 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20151103000809); 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 audiologist records → All 442 in Wisconsin → Look up another NPI →

Also registered at 800 West Ave S

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

  1. Mais AbdouPulmonary Disease Physician1326572066
  2. Christine Alioto, PTPhysical Therapist1942284641
  3. Sadaf Altaf, MBBSPediatrics Physician1457492076
  4. Stephanie Andersen, OTROccupational Therapist1386773125
  5. Daniel Anderson, D.O.Neurology Physician1770996340
  6. Nitika Arora, M.D.Ophthalmology Physician1629419031

Verify Trista Marie Williams 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 596-156    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. Mayo Clinic Health System-Southwest Wisconsin Region IncLa Crosse, WI

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

Trista Marie Williams among 442 audiologist records in Wisconsin

Trista Marie Williams, AU.D. is one of 442 audiologist records with a practice address in Wisconsin. 41% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 64% of them.

  • NPI issued2014 · 64% of these records are older, 33% newer
  • In a Medicare fileYes · 41% of these records are
  • In the CMS Doctors and Clinicians fileYes · 43% of these records are
  • Graduated2014 · median 2009 among the 191 with a school on file
  • Record last updated2020 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 231H00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Audiologist providers in Wisconsin

There are 442 audiologist records in Wisconsin.

All 442 in Wisconsin → Every provider in La Crosse → Audiologist nationwide →

The 8 audiologist records with the nearest ZIP codes

  1. Emily Farmer, AUDLa Crosse, WI 546011871684100
  2. Ryan Gregg, AUDLa Crosse, WI 546011871583377
  3. Andrea Maliszewski, AUDLa Crosse, WI 546011124218995
  4. Angela Manke, AUDIOLOGISTLa Crosse, WI 546011265440606
  5. Sharon Martin, AUDLa Crosse, WI 546011023077187
  6. David Palm, PHDLa Crosse, WI 546011306840756
  7. Diane Perrone, MALa Crosse, WI 546011326042771
  8. Harry Peterson, MALa Crosse, WI 546011225032675

Common questions

What is Trista Marie Williams, AU.D.'s NPI number?

Trista Marie Williams, AU.D.'s National Provider Identifier (NPI) is 1801295092, issued on Aug 14, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Trista Marie Williams, AU.D. located?

The NPPES record lists a practice address at 800 West Ave S, La Crosse, WI, 54601. Phone: (171) 583-8363. Providers update this record themselves, so call before visiting.

How can I verify Trista Marie Williams, AU.D.'s license?

NPPES lists Wisconsin license number 596-156, 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.