1. Home
  2. Directory
  3. Wisconsin
  4. Marshfield
  5. Nurse Practitioner
  6. NPI Profile
Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MRS. SAMANTHA J MATHWICH NNP
NPI 1275834137
Nurse Practitioner - Neonatal in Marshfield, WI

Active since November 09, 2010
1000 N OAK AVE, MARSHFIELD, WI 54449(715) 387-5511 Get Directions Write a Review

NPPES record last updated: July 30, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Mrs. Samantha J Mathwich Nnp NPPES

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

MRS. SAMANTHA J MATHWICH NNP (NPI 1275834137) is an individual neonatal provider in Marshfield, Wisconsin, licensed in Wisconsin (18515) and active in the NPI registry since November 2010. She maintains a secondary practice location in Edgar.

NPPES Registry Identity

NPI1275834137
Entity TypeIndividualFemale
Primary Taxonomy363LN0000X
Provider Legal NameMRS. SAMANTHA J MATHWICHCredential: NNP
Location Address1000 N OAK AVEMarshfield, WI 54449-5703
Mailing Address1000 N Oak AveMarshfield, WI 54449-5703 · (715) 387-5511
Phone(715) 387-5511
Sole ProprietorYes
Enumeration DateNovember 9, 2010
Last NPPES UpdateJuly 30, 2026
NPPES CertifiedJuly 30, 2026
✔ NPI 1275834137 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · NeonatalPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LN0000X
License✔ Licensed in WI · 18515
Also ListedRegistered NurseTaxonomy 163W00000X · License 167879-30 (WI)
1000 N OAK AVE, Marshfield, WI 54449
Open in Google Maps ↗

Secondary Practice Location 1

Location 11681 8th AveEdgar, WI 54426-9407 · Phone (715) 573-9666

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.

ALISON RAE SAMPSON D.O.
Obstetrics & Gynecology
1000 N OAK AVE
MARSHFIELD, WI 54449
Wood County (715) 387-5161
TAMARA L. LEAHY NP
Nurse Practitioner
1000 N OAK AVE
MARSHFIELD, WI 54449
Wood County (800) 782-8581
SAMANTHA ELAINE MOORE RD, CD, CDCES
Dietitian, Registered
1000 N OAK AVE
MARSHFIELD, WI 54449
Wood County (715) 389-7464
EUGENE H. LARSON PA
Physician Assistant
1000 N OAK AVE
MARSHFIELD, WI 54449
Wood County (715) 387-5245
JAMES SKIBBA CRNA
Nurse Anesthetist, Certified Registered
1000 N OAK AVE
MARSHFIELD, WI 54449
Wood County (715) 387-7179
KENNETH E ENGELHART MD
Internal Medicine
1000 N OAK AVE
MARSHFIELD, WI 54449
Wood County (715) 387-5704
KRISTIN M GERNDT MD
Radiology (Vascular & Interventional Radiology)
1000 N OAK AVE
MARSHFIELD, WI 54449
Wood County (715) 389-3474
VIRGINIA WOOLWORTH NP
Nurse Practitioner
1000 N OAK AVE
MARSHFIELD, WI 54449
Wood County (715) 387-5558

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 Samantha Mathwich's NPI number?

The NPI number for Samantha Mathwich is 1275834137. It was assigned to this individual provider in the NPPES registry on November 9, 2010.

Where is Samantha Mathwich located?

Samantha Mathwich practices at 1000 N Oak Ave, Marshfield, WI 54449. The listed phone number is (715) 387-5511.

What is Samantha Mathwich's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Neonatal, with taxonomy code 363LN0000X.

When was this NPI record last updated?

The NPPES record for Samantha Mathwich was last updated on July 30, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.