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Dr. James Edward Volponi, O.D.

Optometrist in Livermore, CA · enumerated 2007 · practices at Tri Valley Optometry.

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

National Provider Identifier

1548313174

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Registry record

Entity type Individual (Type 1)
Name Dr. James Edward Volponi
Credential O.D.
Sex Male
Practice address 254 S Livermore Ave, Livermore, CA, 94550
Phone (925) 447-3222
Fax (925) 447-3288
Enumeration date Jan 18, 2007
Last updated in NPPES Jul 17, 2008

Taxonomy & licenses

152W00000X Optometrist Eye and Vision Services Providers · License 8044T (CA) Primary
OD · Doctor of Optometry: A licensed optometrist providing primary vision care, eye exams, and corrective lenses. About the OD credential

Other identifiers

Identifier Type State Issuer
943036172 Other CA VISION SERVICE PLAN
116423 Other CA EYEMED
2671 Other CA MEDICAL EYE SERVICES

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.

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Frequently asked questions

What is the NPI number for James Volponi?
The National Provider Identifier (NPI) for James Volponi is 1548313174, a Type 1 (individual) record in the CMS NPPES registry.
Where does James Volponi practice?
The practice location on file with NPPES is in Livermore, CA. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-07-17.