Catherine A. Ziegler, FNP
Nurse Practitioner · La Crosse, WI
Catherine A. Ziegler, FNP is a nurse practitioner with a practice address in La Crosse, Wisconsin, and NPI 1013214717, issued on Feb 16, 2011. Check the license (Wisconsin 4293, as entered in NPPES) with the Wisconsin board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Catherine A. Ziegler
- Credential
- FNP
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License number
- 4293 WI
Self-reported in NPPES; status is on the state search - Practice location
- 800 West Ave S, La Crosse, WI 54601
- Phone
- (608) 785-0940
- Enumerated
- Feb 16, 2011
- Record last updated
- Feb 6, 2026
- Medicare enrollment
- Enrolled (PECOS I20110414000622); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 3,995 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.
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Verify Catherine A. Ziegler in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
Search for license 4293Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
78% more Medicare Part D claims than the average nurse practitioner in 2024
1,972 Medicare Part D claims for 327 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. 49 claims were for opioids.
Most prescribed
- Lisinopril70 claims
- Atorvastatin Calcium67 claims
- Gabapentin55 claims
- Levothyroxine Sodium55 claims
- Hydrochlorothiazide54 claims
- Metoprolol Succinate49 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through 2 group practices
- Aspirus Rhinelander And Tomahawk Hospitals And Clinics, Inc.Wittenberg, WI
- Mayo Clinic Health System-Southwest Wisconsin Region IncSparta, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Catherine A. Ziegler among 3,995 nurse practitioner records in Wisconsin
Catherine A. Ziegler, FNP is one of 3,995 nurse practitioner records with a practice address in Wisconsin. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 31% of them.
- NPI issued2011 · 31% of these records are older, 65% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2010 · median 2017 among the 2,701 with a school on file
- Record last updated2026 · 41% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
65 nurse practitioner records list a practice address in La Crosse
They are 65 of the 3,735 NPPES records with a practice address in La Crosse, and 3,995 nurse practitioner records in Wisconsin.
All 3,995 in Wisconsin → Every provider in La Crosse → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Jacqueline Adsit, APNPLa Crosse, WI 546011831192111
- Karen Briggs, APNPLa Crosse, WI 546011033113782
- Carol Burgmeier, NPLa Crosse, WI 546011497742019
- Linda Burke, APNPLa Crosse, WI 546011578567152
- Mary Jo Burke, APNPLa Crosse, WI 546011356345987
- Polly Davenport-Fortune, APNPLa Crosse, WI 546011619972841
- Debra Fahey, APNPLa Crosse, WI 546011063417020
- Jacqueline Kakuska, APNPLa Crosse, WI 546011477559870
Common questions
What is Catherine A. Ziegler, FNP's NPI number?
Catherine A. Ziegler, FNP's National Provider Identifier (NPI) is 1013214717, issued on Feb 16, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Catherine A. Ziegler, FNP located?
The NPPES record lists a practice address at 800 West Ave S, La Crosse, WI, 54601. Phone: (608) 785-0940. Providers update this record themselves, so call before visiting.
How can I verify Catherine A. Ziegler, FNP's license?
NPPES lists Wisconsin license number 4293, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.
How much does Catherine A. Ziegler, FNP prescribe under Medicare Part D?
In 2024, Catherine A. Ziegler, FNP had 1,972 Medicare Part D claims for 327 beneficiaries; the average among nurse practitioner prescribers was 1,109. Part D covers Medicare prescriptions 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.