Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Fastvax LLC

Q: What is the NPI number for Fastvax LLC?

The NPI for Fastvax LLC is 1508021858, a Type 2 (organization) record in the CMS NPPES registry.

Clinic/Center in Chalfont, PA · enumerated 2008 · authorized official Sievert Larsson, Ceo.

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

National Provider Identifier

1508021858

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Registry record

Entity type Organization (Type 2)

Legal business name Fastvax LLC

Practice address 1500 Horizon Dr, St 120, Chalfont, PA, 18914

Phone (267) 308-0534

Fax (267) 308-0533

Enumeration date Jul 25, 2008

Last updated in NPPES Jan 17, 2011

Taxonomy & classification

261Q00000X Clinic/Center Ambulatory Health Care Facilities · License MD061592L (PA) Primary

Authorized official

Name Sievert Larsson

Title Ceo

Phone (215) 996-1400

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 Fastvax LLC?

The NPI for Fastvax LLC is 1508021858, a Type 2 (organization) record in the CMS NPPES registry.

Who is the authorized official for Fastvax LLC?

NPPES lists Sievert Larsson (Ceo) 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 2011-01-17.