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Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 90 days.

SARAH ELIZABETH RATAJCZYK
NPI 1720902612
Nurse Practitioner - Family in Appleton, WI

Active since August 05, 2026
3925 N GATEWAY DR, APPLETON, WI 54913(920) 702-6477 Get Directions Write a Review

NPPES record added: August 5, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Sarah Elizabeth Ratajczyk NPPES

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

SARAH ELIZABETH RATAJCZYK (NPI 1720902612) is an individual family provider in Appleton, Wisconsin, licensed in Wisconsin (18673-33) and active in the NPI registry since August 2026.

NPPES Registry Identity

NPI1720902612
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameSARAH ELIZABETH RATAJCZYK
Location Address3925 N GATEWAY DRAppleton, WI 54913-7863
Mailing Address1716 S Kernan AveAppleton, WI 54915-4238
Phone(920) 702-6477
Sole ProprietorNo
Enumeration DateAugust 5, 2026
NPPES CertifiedAugust 5, 2026
✔ NPI 1720902612 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in WI · 18673-33
3925 N GATEWAY DR, Appleton, WI 54913
Open in Google Maps ↗

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.

FOX VALLEY HEMATOLOGY & ONCOLOGY S C
Pharmacy (Community/Retail Pharmacy)
3925 N GATEWAY DR, SUITE 100
APPLETON, WI 54913
Outagamie County (920) 702-4802
BRITTANY E GOODRICH-BRAUN
Family Medicine
3925 N GATEWAY DR
APPLETON, WI 54913
Outagamie County (920) 830-6877
STEVEN R HAMEL APN FP-C
Nurse Practitioner (Family)
3925 N GATEWAY DR
APPLETON, WI 54913
Outagamie County (920) 830-6877
HEATHER SCHEELK DNP, FNP-BC
Nurse Practitioner (Family)
3925 N GATEWAY DR
APPLETON, WI 54913
Outagamie County (920) 840-4258
DIRK STEINERT MD
Internal Medicine
3925 N GATEWAY DR
APPLETON, WI 54913
Outagamie County (920) 830-6877
SABA R KHAN DO
Family Medicine
3925 N GATEWAY DR
APPLETON, WI 54913
Outagamie County (920) 702-6371
MS. CYNTHIA FRANCES SUSEDIK D.O.
Family Medicine
3925 N GATEWAY DR
APPLETON, WI 54913
Outagamie County (920) 830-6877
KATHLEEN M ERDAHL
Nurse Practitioner (Family)
3925 N GATEWAY DR
APPLETON, WI 54913
Outagamie County (920) 830-6877

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 Ratajczyk's NPI number?

The NPI number for Sarah Ratajczyk is 1720902612. It was assigned to this individual provider in the NPPES registry on August 5, 2026.

Where is Sarah Ratajczyk located?

Sarah Ratajczyk practices at 3925 N Gateway Dr, Appleton, WI 54913. The listed phone number is (920) 702-6477.

What is Sarah Ratajczyk's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

When was this NPI record last updated?

The NPPES record for Sarah Ratajczyk was last updated on August 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.