Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Phillip J Holzer, OD

Optometrist in Mount Vernon, OH · enumerated 2006.

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

National Provider Identifier

1447239264

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Registry record

Entity type Individual (Type 1)

Name Phillip J Holzer

Credential OD

Sex Male

Practice address 1330 Coshocton Ave, Mount Vernon, OH, 43050

Phone (740) 393-9000

Fax (740) 392-0167

Enumeration date Jan 11, 2006

Last updated in NPPES Mar 16, 2021

Taxonomy & licenses

152W00000X Optometrist Eye and Vision Services Providers · License 2764 (WI) Secondary

152W00000X Optometrist Eye and Vision Services Providers · License OPT006518 (OH) 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
38606500	Medicaid	WI	-

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 Phillip Holzer?

The National Provider Identifier (NPI) for Phillip Holzer is 1447239264, a Type 1 (individual) record in the CMS NPPES registry.

Where does Phillip Holzer practice?

The practice location on file with NPPES is in Mount Vernon, OH. Providers can have multiple locations; NPPES lists the primary practice address.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-03-16.