Sarah Jane Williams, NP
Nurse Practitioner · Fond Du Lac, WI
Sarah Jane Williams, NP is a nurse practitioner with a practice address in Fond Du Lac, Wisconsin, and NPI 1285387134, issued on Feb 1, 2022. Check the license (Wisconsin 11635, as entered in NPPES) with the Wisconsin board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Sarah Jane Williams
- Credential
- NP
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License number
- 11635 WI
Self-reported in NPPES; status is on the state search - Practice location
- 420 E Division St, Fond Du Lac, WI 54935
- Phone
- (920) 926-7400
- Enumerated
- Feb 1, 2022
- Record last updated
- Jun 24, 2026
- Medicare enrollment
- Enrolled (PECOS I20230109002688); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 3,995 in Wisconsin → Look up another NPI →
Also registered at 420 E Division St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Melissa Berggren, PA-CPhysician Assistant1639377617
- Louann Biddick, NPNurse Practitioner1770566721
- Jennifer Bissell, MDFamily Medicine Physician1316146962
- Tiffany Boelk, APNPNurse Practitioner1700459690
- David Bowman, M.D.Cardiovascular Disease Physician1962492397
Verify Sarah Jane Williams in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
Search for license 11635Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.2 times the Medicare Part D claims of the average nurse practitioner in 2024
2,476 Medicare Part D claims for 208 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. 28 claims were for opioids.
Most prescribed
- Atorvastatin Calcium97 claims
- Amlodipine Besylate92 claims
- Lisinopril92 claims
- Levothyroxine Sodium82 claims
- Losartan Potassium79 claims
- Hydrochlorothiazide69 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
- Agnesian Healthcare IncFond Du Lac, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sarah Jane Williams among 3,995 nurse practitioner records in Wisconsin
Sarah Jane Williams, NP 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 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).
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 Sarah Jane Williams, NP's NPI number?
Sarah Jane Williams, NP's National Provider Identifier (NPI) is 1285387134, issued on Feb 1, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Sarah Jane Williams, NP located?
The NPPES record lists a practice address at 420 E Division St, Fond Du Lac, WI, 54935. Phone: (920) 926-7400. Providers update this record themselves, so call before visiting.
How can I verify Sarah Jane Williams, NP's license?
NPPES lists Wisconsin license number 11635, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.
How much does Sarah Jane Williams, NP prescribe under Medicare Part D?
In 2024, Sarah Jane Williams, NP had 2,476 Medicare Part D claims for 208 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.