Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Ms. Katherine Romney Thorn, LPC

Professional Counselor in Mclean, VA · enumerated 2006.

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

National Provider Identifier

1346310166

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Registry record

Entity type Individual (Type 1)

Name Ms. Katherine Romney Thorn

Credential LPC

Sex Female

Practice address 1350 Beverly Rd, Suite 240, Mclean, VA, 22101

Phone (703) 288-9595

Fax (703) 288-9545

Enumeration date Nov 9, 2006

Last updated in NPPES Jul 8, 2007

Taxonomy & licenses

101YP2500X Professional Counselor Behavioral Health & Social Service Providers · License 0701003301 (VA) Primary

LPC · Licensed Professional Counselor: A licensed mental-health counselor providing psychotherapy. About the LPC 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

How do I verify Katherine Thorn's NPI record?

Cross-check NPI 1346310166 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1346310166 active?

Yes, as of the latest NPPES snapshot, NPI 1346310166 is active (record last updated 2007-07-08).

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