Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Glen R. Gaerte, O.D.

Optometrist in Colton, CA · enumerated 2006.

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

National Provider Identifier

1003855172

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Registry record

Entity type Individual (Type 1)

Name Glen R. Gaerte

Credential O.D.

Sex Male

Practice address 1300 E Cooley Dr, Colton, CA, 92324

Phone (909) 370-4100

Fax (909) 796-4158

Enumeration date Jun 5, 2006

Last updated in NPPES Jul 8, 2007

Taxonomy & licenses

152W00000X Optometrist Eye and Vision Services Providers · License OPT5669 (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
5D0056691	Medicaid	CA	-

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

How do I verify Glen Gaerte's NPI record?

Cross-check NPI 1003855172 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1003855172 active?

Yes, as of the latest NPPES snapshot, NPI 1003855172 is active (record last updated 2007-07-08).

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.