Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Vascular Laboratory of Fairfax, LLC

Q: What is the NPI number for Vascular Laboratory of Fairfax, LLC?

The NPI for Vascular Laboratory of Fairfax, LLC is 1174614978, a Type 2 (organization) record in the CMS NPPES registry.

Specialist in Fairfax, VA · enumerated 2006 · authorized official James Simsarian, Medical Director.

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

National Provider Identifier

1174614978

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Registry record

Entity type Organization (Type 2)

Legal business name Vascular Laboratory of Fairfax, LLC

Practice address 3020 Hamaker Ct, Suite 402, Fairfax, VA, 22031

Phone (703) 573-2400

Fax (703) 207-9527

Enumeration date Sep 27, 2006

Last updated in NPPES Sep 8, 2010

Taxonomy & classification

174400000X Specialist Other Service Providers Primary

Authorized official

Name James Simsarian

Title Medical Director

Phone (703) 573-2400

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 is the NPI number for Vascular Laboratory of Fairfax, LLC?

The NPI for Vascular Laboratory of Fairfax, LLC is 1174614978, a Type 2 (organization) record in the CMS NPPES registry.

Who is the authorized official for Vascular Laboratory of Fairfax, LLC?

NPPES lists James Simsarian (Medical Director) as the authorized official for this organization.

Providers at this address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2010-09-08.