NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Dr. Marco Francesco Vespignani, ND

Naturopath in Seattle, WA · enumerated 2007.

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

National Provider Identifier

1972629897

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Registry record

Entity type Individual (Type 1)
Name Dr. Marco Francesco Vespignani
Credential ND
Sex Male
Practice address Seattle, WA, 98105
Phone (206) 525-8012
Fax (206) 525-8013
Enumeration date Mar 22, 2007
Last updated in NPPES Aug 11, 2010

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

175F00000X Naturopath Other Service Providers · License NDF-138 (CA) Primary
175F00000X Naturopath Other Service Providers · License WA-1318 (WA) Secondary

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

Where does Marco Vespignani practice?
The practice location on file with NPPES is in Seattle, WA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Marco Vespignani?
The National Provider Identifier (NPI) for Marco Vespignani is 1972629897, a Type 1 (individual) record in the CMS NPPES registry.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2010-08-11.