Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mrs. Kathryn Ann Lewis, LCSW

Social Worker in Wellsville, NY · enumerated 2007.

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

National Provider Identifier

1619165701

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Registry record

Entity type Individual (Type 1)

Name Mrs. Kathryn Ann Lewis

Credential LCSW

Sex Female

Practice address 4222 Bolivar Rd, Wellsville, NY, 14895

Phone (585) 593-1655

Fax (585) 593-1868

Enumeration date Oct 15, 2007

Last updated in NPPES Apr 16, 2013

Taxonomy & licenses

104100000X Social Worker Behavioral Health & Social Service Providers Primary

LCSW · Licensed Clinical Social Worker: A social worker licensed for clinical practice including mental-health therapy. About the LCSW credential

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 this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

What specialty is Kathryn Lewis?

Kathryn Lewis is registered in NPPES with the primary taxonomy of Social Worker. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2013-04-16.