Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Karen Hahn Strider, MSW

Social Worker in Fairfax, VA · enumerated 2017.

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

National Provider Identifier

1467966416

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Registry record

Entity type Individual (Type 1)

Name Karen Hahn Strider

Credential MSW

Sex Female

Practice address 3611 Chain Bridge Rd Ste C, Fairfax, VA, 22030

Phone (703) 380-9045

Enumeration date Nov 29, 2017

Last updated in NPPES Nov 29, 2017

Taxonomy & licenses

104100000X Social Worker Behavioral Health & Social Service Providers · License LG50081709 (DC) 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 Karen Strider?

Karen Strider 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.

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 2017-11-29.