Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Ms. Katherine Lewis, MS

Counselor in Arlington, VA · enumerated 2022.

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

National Provider Identifier

1982358032

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Registry record

Entity type Individual (Type 1)

Name Ms. Katherine Lewis

Credential MS

Sex Female

Practice address 901 N Glebe Rd, Arlington, VA, 22203

Phone (540) 254-0779

Enumeration date Feb 8, 2022

Last updated in NPPES Aug 22, 2023

Taxonomy & licenses

101YA0400X Addiction (Substance Use Disorder) Counselor Behavioral Health & Social Service Providers · License 0701011222 (VA) Secondary

101YM0800X Mental Health Counselor Behavioral Health & Social Service Providers · License 0701011222 (VA) Secondary

101Y00000X Counselor Behavioral Health & Social Service Providers · License 0701011222 (VA) 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.

Read the full guide → Validate an NPI →

Frequently asked questions

What specialty is Katherine Lewis?

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

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.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-08-22.