Claire M. Schallhorn, APNP, FNP-C
Nurse Practitioner · Union Grove, WI
Claire M. Schallhorn, APNP, FNP-C is a nurse practitioner with a practice address in Union Grove, Wisconsin, and NPI 1922741719, issued on Apr 19, 2022. Check the license (Wisconsin 11880, as entered in NPPES) with the Wisconsin board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Claire M. Schallhorn
- Credential
- APNP, FNP-C
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License numbers
- 11880 WI
F02220846 WI
Self-reported in NPPES; status is on the state search - Practice location
- 4320 67TH Dr, Union Grove, WI 53182
- Phone
- (262) 878-1211
- Enumerated
- Apr 19, 2022
- Record last updated
- Dec 20, 2023
- Medicaid ID
- 100253508 WI
- Medicare enrollment
- Enrolled (PECOS I20231106000688); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 3,995 in Wisconsin → Look up another NPI →
Also registered at 4320 67TH Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Gerald Demers, MDFamily Medicine Physician1821103011
- Daniel Haller, MDFamily Medicine Physician1437243524
- Thomas Porter, NPNurse Practitioner1528778321
Verify Claire M. Schallhorn in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
Search for license 11880Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
68% fewer Medicare Part D claims than the average nurse practitioner in 2024
353 Medicare Part D claims for 64 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. 11 claims were for opioids.
Most prescribed
- Atorvastatin Calcium35 claims
- Losartan Potassium16 claims
- Lisinopril15 claims
- Amlodipine Besylate-Benazepril12 claims
- Gabapentin12 claims
- Glimepiride12 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
- Aurora Medical Group, Inc.Union Grove, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Claire M. Schallhorn among 3,995 nurse practitioner records in Wisconsin
Claire M. Schallhorn, APNP, FNP-C 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 2022, is newer than 79% of them.
- NPI issued2022 · 79% of these records are older, 15% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2021 · median 2017 among the 2,701 with a school on file
- Record last updated2023 · 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).
6 nurse practitioner records list a practice address in Union Grove
They are 6 of the 87 NPPES records with a practice address in Union Grove, and 3,995 nurse practitioner records in Wisconsin.
All 3,995 in Wisconsin → Every provider in Union Grove → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Lana Buttke, NPUnion Grove, WI 531821316122369
- Thomas Porter, NPUnion Grove, WI 531821528778321
- Roxanne Roese, NURSEPRACTITIONER NPUnion Grove, WI 531821881738615
- Jodene Strommen, NPUnion Grove, WI 531821821007683
- Lorelei Volstad, NPUnion Grove, WI 531821275786600
- Emily Ghanem, NPWales, WI 531831437630761
- Christopher Raasch, NPTwin Lakes, WI 531811578921532
- Josie Rukamp, APNPWales, WI 531831295257236
Common questions
What is Claire M. Schallhorn, APNP, FNP-C's NPI number?
Claire M. Schallhorn, APNP, FNP-C's National Provider Identifier (NPI) is 1922741719, issued on Apr 19, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Claire M. Schallhorn, APNP, FNP-C located?
The NPPES record lists a practice address at 4320 67TH Dr, Union Grove, WI, 53182. Phone: (262) 878-1211. Providers update this record themselves, so call before visiting.
How can I verify Claire M. Schallhorn, APNP, FNP-C's license?
NPPES lists Wisconsin license number 11880, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.
How much does Claire M. Schallhorn, APNP, FNP-C prescribe under Medicare Part D?
In 2024, Claire M. Schallhorn, APNP, FNP-C had 353 Medicare Part D claims for 64 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.