Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

SARAH JANE WILLIAMS NP
NPI 1285387134
Nurse Practitioner in Fond Du Lac, WI

Active since February 01, 2022PECOS EnrolledAccepts Medicare Assignment
420 E DIVISION ST, FOND DU LAC, WI 54935(920) 926-7400 Get Directions Write a Review

NPPES record last updated: June 24, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Dec 3, 2025, Dec 27, 2022, Feb 1, 2022 (3 updates tracked since 2022).

About Sarah Jane Williams Np NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

SARAH JANE WILLIAMS NP (NPI 1285387134) is an individual nurse practitioner in Fond Du Lac, Wisconsin, licensed in Wisconsin (11635) and active in the NPI registry since February 2022. She is enrolled in Medicare PECOS, is affiliated with Divine Savior Healthcare, and is a graduate of Other (2021).

NPPES Registry Identity

NPI1285387134
Entity TypeIndividualFemale
Primary Taxonomy363L00000X
Provider Legal NameSARAH JANE WILLIAMSCredential: NP
Location Address420 E DIVISION STFond Du Lac, WI 54935-4560
Mailing Address420 E Division StFond Du Lac, WI 54935-4560 · (920) 926-7400
Sole ProprietorNo
Medical School CMSOtherGraduated 2021
Enumeration DateFebruary 1, 2022
Last NPPES UpdateJune 24, 20263 updates tracked since enumeration
NPPES CertifiedJune 24, 2026
NPI 1285387134 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363L00000X
License Licensed in WI · 11635
Definition
(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.
420 E DIVISION ST, Fond Du Lac, WI 54935

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Sarah Jane Williams Np is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7810367810
PECOS Enrollment IDI20230109002688
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Divine Savior Healthcare

Acute Care Hospitals · Portage, WI
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520041
Location2817 New Pinery RoadPortage, WI 53901 · Columbia County
Emergency services

St. Agnes Hospital Hospice

Acute Care Hospitals · Fond Du Lac, WI
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520088
Location430 E Division StFond Du Lac, WI 54935 · Fond Du Lac County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 54935 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$82.92 typical visit price
range $53.90 – $163.24
Typical copayment $20.73 (range $13.47 – $40.81)
Most-billed visit code 99203
Established Patient
$95.41 typical visit price
range $17.40 – $133.76
Typical copayment $23.85 (range $4.35 – $33.44)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Nurse Practitioner
420 E DIVISION ST
FOND DU LAC, WI 54935
Obstetrics & Gynecology
420 E DIVISION ST
FOND DU LAC, WI 54935
Urology
420 E DIVISION ST
FOND DU LAC, WI 54935
Psychologist
420 E DIVISION ST
FOND DU LAC, WI 54935
Nurse Practitioner (Psychiatric/Mental Health)
420 E DIVISION ST
FOND DU LAC, WI 54935
Nurse Practitioner
420 E DIVISION ST
FOND DU LAC, WI 54935
Nurse Practitioner (Family)
420 E DIVISION ST
FOND DU LAC, WI 54935
Urology
420 E DIVISION ST
FOND DU LAC, WI 54935

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Sarah Williams's NPI number?

The NPI number for Sarah Williams is 1285387134. It was assigned to this individual provider in the NPPES registry on February 1, 2022.

Where is Sarah Williams located?

Sarah Williams practices at 420 E Division St, Fond Du Lac, WI 54935. The listed phone number is (920) 926-7400.

What is Sarah Williams's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Is Sarah Williams enrolled in Medicare?

Yes. Sarah Williams is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Sarah Williams accept?

Health plans from Anthem Blue Cross and Blue Shield, Group Health Cooperative-SCW, Network Health and Quartz list Sarah Williams as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Sarah Williams affiliated with any hospitals?

According to CMS data, Sarah Williams is affiliated with Divine Savior Healthcare and St. Agnes Hospital Hospice.

When was this NPI record last updated?

The NPPES record for Sarah Williams was last updated on June 24, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 45 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.