Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Kathryn L Clasen, PHARMD

Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist in Yorktown, VA · enumerated 2008.

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

National Provider Identifier

1104061415

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Registry record

Entity type Individual (Type 1)

Name Kathryn L Clasen

Credential PHARMD

Sex Female

Practice address 5007 Victory Blvd Ste 1, Yorktown, VA, 23693

Phone (757) 234-7982

Fax (757) 234-7984

Enumeration date Dec 16, 2008

Last updated in NPPES Jun 4, 2026

Taxonomy & licenses

1835P0018X Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist Pharmacy Service Providers · License 0202207974 (VA) Primary

PHARMD · Doctor of Pharmacy: A licensed pharmacist with a professional doctorate in pharmacy. About the PHARMD 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 NPI 1104061415 active?

Yes, as of the latest NPPES snapshot, NPI 1104061415 is active (record last updated 2026-06-04).

How do I verify Kathryn Clasen's NPI record?

Cross-check NPI 1104061415 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-06-04.