NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Catherine Lewis

Speech-Language Pathologist in Valhalla, NY · enumerated 2025 · practices at Wihd Inc.

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

National Provider Identifier

1598652133

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Registry record

Entity type Individual (Type 1)
Name Catherine Lewis
Sex Female
Practice address Valhalla, NY, 10595
Fax (914) 493-3964
Enumeration date Jun 18, 2025
Last updated in NPPES Jun 18, 2025

Street address withheld — NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

235Z00000X Speech-Language Pathologist Speech, Language and Hearing Service Providers · License 035466-01 (NY) Primary

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.

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Frequently asked questions

Is NPI 1598652133 active?
Yes — as of the latest NPPES snapshot, NPI 1598652133 is active (record last updated 2025-06-18).
How do I verify Catherine Lewis's NPI record?
Cross-check NPI 1598652133 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 2025-06-18.