NPPES file of Aug 9, 2026

Clara Marie Wiencek Williams, RD

Registered Dietitian · La Crosse, WI

Clara Marie Wiencek Williams, RD is a registered dietitian with a practice address in La Crosse, Wisconsin, and NPI 1063125979, issued on Jan 5, 2023. Check the license (Wisconsin 5073, 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
1063125979
Name
Clara Marie Wiencek Williams
Credential
RD
Primary taxonomy
Registered Dietitian 133V00000X
License number
5073 WI
Self-reported in NPPES; status is on the state search
Practice location
1836 South Ave, La Crosse, WI 54601
Phone
(608) 782-7300
Enumerated
Jan 5, 2023
Record last updated
Jan 6, 2023
Medicare enrollment
Enrolled (PECOS I20230119001375); 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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Also registered at 1836 South Ave

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

  1. Frank Aberger, MDGastroenterology Physician1396748711
  2. Bradley Abicht, DPMPodiatrist1962632166
  3. Carter Abicht, DOAnesthesiology Physician1932736642
  4. Grace AbichtCertified Registered Nurse Anesthetist1003651555
  5. Paul Abicht, CRNACertified Registered Nurse Anesthetist1528061843
  6. Mateen Abidi, M.DCardiovascular Disease Physician1730333980

Verify Clara Marie Wiencek 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 5073
    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 IncLa Crosse, WI

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

Clara Marie Wiencek Williams among 1,457 registered dietitian records in Wisconsin

Clara Marie Wiencek Williams, RD 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 2023, is newer than 80% of them.

  • NPI issued2023 · 80% of these records are older, 14% newer
  • In a Medicare fileYes · 12% of these records are
  • In the CMS Doctors and Clinicians fileYes · 13% of these records are
  • Graduated2022 · median 2013 among the 182 with a school on file
  • Record last updated2023 · 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).

88 registered dietitian records list a practice address in La Crosse

They are 88 of the 3,735 NPPES records with a practice address in La Crosse, and 1,457 registered dietitian records in Wisconsin.

The 8 registered dietitian records with the nearest ZIP codes

  1. Renee Cole, RDLa Crosse, WI 546011245235597
  2. Nancy Ernst, RDLa Crosse, WI 546011366447435
  3. Heather Gustafson, RDLa Crosse, WI 546011073518676
  4. Christine Justus, RDLa Crosse, WI 546011104822501
  5. Barbara Kaufmann, RDLa Crosse, WI 546011598761900
  6. Diane Kelbel, RDLa Crosse, WI 546011366447849
  7. Angela Kohlwey, RDLa Crosse, WI 546011083610331
  8. Paula Przywojski, RDLa Crosse, WI 546011568466936

Common questions

What is Clara Marie Wiencek Williams, RD's NPI number?

Clara Marie Wiencek Williams, RD's National Provider Identifier (NPI) is 1063125979, issued on Jan 5, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Clara Marie Wiencek Williams, RD located?

The NPPES record lists a practice address at 1836 South Ave, La Crosse, WI, 54601. Phone: (608) 782-7300. Providers update this record themselves, so call before visiting.

How can I verify Clara Marie Wiencek Williams, RD's license?

NPPES lists Wisconsin license number 5073, 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.

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.