Kathryn Wirtz, PA
Physician Assistant · Sussex, WI
Kathryn Wirtz, PA is a physician assistant with a practice address in Sussex, Wisconsin, and NPI 1891762159, issued on Mar 7, 2006. Check the license (Wisconsin 339-023, as entered in NPPES) with the Wisconsin board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Kathryn Wirtz
- Credential
- PA
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 339-023 WI
Self-reported in NPPES; status is on the state search - Practice location
- W227N6103 Sussex RD, Sussex, WI 53089
- Phone
- (414) 566-8100
- Enumerated
- Mar 7, 2006
- Record last updated
- Mar 22, 2022
- Fax
- (414) 566-8038
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 3,475 in Wisconsin → Look up another NPI →
Also registered at W227N6103 Sussex RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Kathryn Wirtz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
Search for license 339-023Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average physician assistant in 2024
27 Medicare Part D claims for 14 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.
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.
Kathryn Wirtz among 3,475 physician assistant records in Wisconsin
Kathryn Wirtz, PA is one of 3,475 physician assistant records with a practice address in Wisconsin. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 4% of them.
- NPI issued2006 · 4% of these records are older, 76% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 72% of these records are
- Record last updated2022 · 38% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
3 physician assistant records list a practice address in Sussex
They are 3 of the 188 NPPES records with a practice address in Sussex, and 3,475 physician assistant records in Wisconsin.
All 3,475 in Wisconsin → Every provider in Sussex → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Camillia Pignotti, PA-CSussex, WI 530891639286933
- Linda Vogel, P.ASussex, WI 530891285601401
- Olukemi AjibolaMequon, WI 530921285021121
- Deann Campbell, PASlinger, WI 530861477502920
- Debra Conley, PA-CMequon, WI 530921912126418
- Christine Davis, PAMequon, WI 530921679826812
- Cali Dudgeon, P.A.Mequon, WI 530921932447604
- Gwen Gettelman, PA-CMequon, WI 530921427062835
Common questions
What is Kathryn Wirtz, PA's NPI number?
Kathryn Wirtz, PA's National Provider Identifier (NPI) is 1891762159, issued on Mar 7, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Kathryn Wirtz, PA located?
The NPPES record lists a practice address at W227N6103 Sussex RD, Sussex, WI, 53089. Phone: (414) 566-8100. Providers update this record themselves, so call before visiting.
How can I verify Kathryn Wirtz, PA's license?
NPPES lists Wisconsin license number 339-023, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.
How much does Kathryn Wirtz, PA prescribe under Medicare Part D?
In 2024, Kathryn Wirtz, PA had 27 Medicare Part D claims for 14 beneficiaries; the average among physician assistant prescribers was 830. 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.