Brittany Kornfehl
Nurse Practitioner · Fond Du Lac, WI
Brittany Kornfehl is a nurse practitioner with a practice address in Fond Du Lac, Wisconsin, and NPI 1619471117, issued on Mar 20, 2018. Check the license (Wisconsin 8289-33, as entered in NPPES) with the Wisconsin board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Brittany Kornfehl
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License number
- 8289-33 WI
Self-reported in NPPES; status is on the state search - Practice location
- 459 E 1St St, Fond Du Lac, WI 54935
- Phone
- (920) 929-3500
- Enumerated
- Mar 20, 2018
- Record last updated
- Mar 20, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (920) 929-3129
- Medicare enrollment
- Enrolled (PECOS I20180529003256); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 3,995 in Wisconsin → Look up another NPI →
Also registered at 459 E 1St St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ashley AcevedoSocial Worker1255115333
- Gregory ArndtAddiction (Substance Use Disorder) Counselor1770700684
- Kathleen ArpkeSocial Worker1023233871
- Jennifer BaumeisterPhysical Therapy Assistant1801457221
- Lisa BednarekCase Manager/Care Coordinator1144795881
- Angela BrahmCase Manager/Care Coordinator1629613591
Verify Brittany Kornfehl in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
Search for license 8289-33Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
74% fewer Medicare Part D claims than the average nurse practitioner in 2024
283 Medicare Part D claims for 32 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 4% of claims.
Most prescribed
- Trazodone Hcl25 claims
- Clozapine20 claims
- Haloperidol18 claims
- Divalproex Sodium Er14 claims
- Oxcarbazepine14 claims
- Sertraline Hcl14 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.
Industry payments in 2024: $368.75
19 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 38,884 providers of this specialty with any payment received $791.64 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Fond DU Lac CountyFond Du Lac, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Brittany Kornfehl among 3,995 nurse practitioner records in Wisconsin
Brittany Kornfehl 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 2018, is newer than 61% of them.
- NPI issued2018 · 61% of these records are older, 35% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2017 · median 2017 among the 2,701 with a school on file
- Record last updated2018 · 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).
60 nurse practitioner records list a practice address in Fond Du Lac
They are 60 of the 1,312 NPPES records with a practice address in Fond Du Lac, and 3,995 nurse practitioner records in Wisconsin.
All 3,995 in Wisconsin → Every provider in Fond Du Lac → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Louann Biddick, NPFond Du Lac, WI 549351770566721
- Monica Braun, NPFond Du Lac, WI 549351720339997
- Aleshia Cole, NPFond Du Lac, WI 549351417397126
- Kathleen Grochowski, APNPFond Du Lac, WI 549351568602530
- Sarah Guse, NPFond Du Lac, WI 549351417147786
- Barbara Guy, AP, NPFond Du Lac, WI 549351295817625
- Jessica Harding, NPFond Du Lac, WI 549351588951792
- Mary Kelm, NPFond Du Lac, WI 549351003802331
Common questions
What is Brittany Kornfehl's NPI number?
Brittany Kornfehl's National Provider Identifier (NPI) is 1619471117, issued on Mar 20, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Brittany Kornfehl located?
The NPPES record lists a practice address at 459 E 1St St, Fond Du Lac, WI, 54935. Phone: (920) 929-3500. Providers update this record themselves, so call before visiting.
How can I verify Brittany Kornfehl's license?
NPPES lists Wisconsin license number 8289-33, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.
How much does Brittany Kornfehl prescribe under Medicare Part D?
In 2024, Brittany Kornfehl had 283 Medicare Part D claims for 32 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.