Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

John Le Roy Mellinger, ABOC

Optician in Monrovia, CA · enumerated 2020 · practices at Children'S Hospital Los Angeles.

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

National Provider Identifier

1205462090

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Registry record

Entity type Individual (Type 1)

Name John Le Roy Mellinger

Credential ABOC

Sex Male

Practice address 509 S Myrtle Ave, Monrovia, CA, 91016

Phone (626) 303-2030

Fax (626) 303-2190

Enumeration date Mar 12, 2020

Last updated in NPPES Mar 12, 2020

Taxonomy & licenses

156FX1800X Optician Eye and Vision Services Providers · License 000272 (AZ) Primary

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 John Mellinger?

The National Provider Identifier (NPI) for John Mellinger is 1205462090, a Type 1 (individual) record in the CMS NPPES registry.

Where does John Mellinger practice?

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

Other providers at this practice address

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Children'S Hospital Los Angeles Eyewear Supplier · Monrovia, CA NPI 1760766802

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-03-12.