Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Charles Fredrick Metzler Jr., OD

Optometrist in Evans Mills, NY · enumerated 2006.

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

National Provider Identifier

1689737843

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Registry record

Entity type Individual (Type 1)

Name Dr. Charles Fredrick Metzler Jr.

Credential OD

Sex Male

Practice address 25737 Us Route 11, Evans Mills, NY, 13637

Phone (315) 629-4316

Fax (315) 629-4319

Enumeration date Dec 19, 2006

Last updated in NPPES Mar 31, 2008

Taxonomy & licenses

152W00000X Optometrist Eye and Vision Services Providers · License 003769 (NY) 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
00437352	Medicaid	NY	-

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

Where does Charles Metzler practice?

The practice location on file with NPPES is in Evans Mills, NY. Providers can have multiple locations; NPPES lists the primary practice address.

What is the NPI number for Charles Metzler?

The National Provider Identifier (NPI) for Charles Metzler is 1689737843, 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 2008-03-31.