Kathryn J. Smrz, APNP
Adult Health Nurse Practitioner · Marshfield, WI
Kathryn J. Smrz, APNP is an adult health nurse practitioner with a practice address in Marshfield, Wisconsin, and NPI 1972938314, issued on Sep 4, 2013. Check the license (Wisconsin 5438, as entered in NPPES) with the Wisconsin board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Kathryn J. Smrz
- Credential
- APNP
- Primary taxonomy
- Adult Health Nurse Practitioner 363LA2200X
- License number
- 5438 WI
Self-reported in NPPES; status is on the state search - Practice location
- 1000 North Oak Avenue, Marshfield, WI 54449
- Phone
- (715) 387-5511
- Enumerated
- Sep 4, 2013
- Record last updated
- Jul 29, 2025
- Medicare enrollment
- Enrolled (PECOS I20130911000342); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest adult health nurse practitioner records → All 398 in Wisconsin → Look up another NPI →
Also registered at 1000 North Oak Avenue
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Kathryn J. Smrz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
Search for license 5438Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
72% fewer Medicare Part D claims than the average adult health nurse practitioner in 2024
361 Medicare Part D claims for 75 beneficiaries, against an average of 1,280 among the 16,937 providers of this specialty who prescribed in Part D. 40 claims were for opioids.
Most prescribed
- Warfarin Sodium27 claims
- Furosemide19 claims
- Metoprolol Tartrate18 claims
- Tramadol Hcl17 claims
- Albuterol Sulfate14 claims
- Baclofen14 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 one group practice
- Mchs Hospitals IncMarshfield, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Kathryn J. Smrz among 398 adult health nurse practitioner records in Wisconsin
Kathryn J. Smrz, APNP is one of 398 adult health nurse practitioner records with a practice address in Wisconsin. 57% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 59% of them.
- NPI issued2013 · 59% of these records are older, 33% newer
- In a Medicare fileYes · 57% of these records are
- In the CMS Doctors and Clinicians fileYes · 43% of these records are
- Graduated2013 · median 2013 among the 172 with a school on file
- Record last updated2025 · 69% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LA2200X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Adult Health Nurse Practitioner providers in Wisconsin
There are 398 adult health nurse practitioner records in Wisconsin.
All 398 in Wisconsin → Every provider in Marshfield → Adult Health Nurse Practitioner nationwide →
The 8 adult health nurse practitioner records with the nearest ZIP codes
- Denise Carter, NPMarshfield, WI 544491053558015
- Jackie Pfeifer, NPMarshfield, WI 544491528298197
- Stacey Stephens, AGNP-CMarshfield, WI 544491316839046
- Julia SmithMedford, WI 544511801335336
- Nicholine Crick, APNPGilman, WI 544331588683726
- Jenell Bushong, AGPCNP-BCWeston, WI 544761235569237
- Jo Ellen Schaefer, NPSchofield, WI 544761265451264
- Rose Bolinger, N.P.Athens, WI 544111588858609
Common questions
What is Kathryn J. Smrz, APNP's NPI number?
Kathryn J. Smrz, APNP's National Provider Identifier (NPI) is 1972938314, issued on Sep 4, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Kathryn J. Smrz, APNP located?
The NPPES record lists a practice address at 1000 North Oak Avenue, Marshfield, WI, 54449. Phone: (715) 387-5511. Providers update this record themselves, so call before visiting.
How can I verify Kathryn J. Smrz, APNP's license?
NPPES lists Wisconsin license number 5438, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.
How much does Kathryn J. Smrz, APNP prescribe under Medicare Part D?
In 2024, Kathryn J. Smrz, APNP had 361 Medicare Part D claims for 75 beneficiaries; the average among adult health nurse practitioner prescribers was 1,280. 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.