Nancy L. Ernst, RD
Registered Dietitian · La Crosse, WI
Nancy L. Ernst, RD is a registered dietitian with a practice address in La Crosse, Wisconsin, and NPI 1366447435, issued on Jun 16, 2005. Check the license (Wisconsin 348, as entered in NPPES) with the Wisconsin board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Nancy L. Ernst
- Credential
- RD
- Primary taxonomy
- Registered Dietitian 133V00000X
- License number
- 348 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
- Jun 16, 2005
- Record last updated
- Apr 18, 2013 (not updated in 13 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20050330000614); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest registered dietitian records → All 1,457 in Wisconsin → Look up another NPI →
Also registered at 1836 South Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Carter Abicht, DOAnesthesiology Physician1932736642
- Grace AbichtCertified Registered Nurse Anesthetist1003651555
- Paul Abicht, CRNACertified Registered Nurse Anesthetist1528061843
- Mateen Abidi, M.DCardiovascular Disease Physician1730333980
Verify Nancy L. Ernst in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
Search for license 348Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- 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).
Nancy L. Ernst among 1,457 registered dietitian records in Wisconsin
Nancy L. Ernst, 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 97% newer
- In a Medicare fileYes · 12% of these records are
- In the CMS Doctors and Clinicians fileYes · 13% of these records are
- Graduated1989 · median 2013 among the 182 with a school on file
- Record last updated2013 · 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.
All 1,457 in Wisconsin → Every provider in La Crosse → Registered Dietitian nationwide →
The 8 registered dietitian records with the nearest ZIP codes
- Renee Cole, RDLa Crosse, WI 546011245235597
- Heather Gustafson, RDLa Crosse, WI 546011073518676
- Christine Justus, RDLa Crosse, WI 546011104822501
- Barbara Kaufmann, RDLa Crosse, WI 546011598761900
- Diane Kelbel, RDLa Crosse, WI 546011366447849
- Angela Kohlwey, RDLa Crosse, WI 546011083610331
- Paula Przywojski, RDLa Crosse, WI 546011568466936
- Janet Roth, RDLa Crosse, WI 546011972507374
Common questions
What is Nancy L. Ernst, RD's NPI number?
Nancy L. Ernst, RD's National Provider Identifier (NPI) is 1366447435, issued on Jun 16, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Nancy L. Ernst, 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 Nancy L. Ernst, RD's license?
NPPES lists Wisconsin license number 348, 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.