Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mrs. Sarah I Mathews

Optician in Manitowoc, WI · enumerated 2005 · practices at Eye Clinic of Manitowoc, S.C..

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1043205115

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Registry record

Entity type Individual (Type 1)

Name Mrs. Sarah I Mathews

Sex Female

Practice address 4801 Expo Dr, Manitowoc, WI, 54220

Phone (920) 684-4429

Fax (920) 684-6892

Enumeration date Sep 15, 2005

Last updated in NPPES Aug 22, 2007

Taxonomy & licenses

156FX1800X Optician Eye and Vision Services Providers Primary

Other identifiers

Identifier	Type	State	Issuer
38450100	Medicaid	WI	-

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

Is NPI 1043205115 active?

Yes, as of the latest NPPES snapshot, NPI 1043205115 is active (record last updated 2007-08-22).

How do I verify Sarah Mathews's NPI record?

Cross-check NPI 1043205115 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-08-22.