Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

John Deguzman Celis, O.D.

Optometrist in Lake Forest, CA · enumerated 2007 · practices at John Celis, O.D., A Professional Corporation.

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

National Provider Identifier

1861542714

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Registry record

Entity type Individual (Type 1)

Name John Deguzman Celis

Credential O.D.

Sex Male

Practice address Lake Forest, CA, 92630

Phone (949) 206-1560

Enumeration date Jan 11, 2007

Last updated in NPPES Feb 17, 2020

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

152W00000X Optometrist Eye and Vision Services Providers · License 11704T (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
2462134	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

What is the NPI number for John Deguzman Celis?

The National Provider Identifier (NPI) for John Deguzman Celis is 1861542714, a Type 1 (individual) record in the CMS NPPES registry.

Where does John Deguzman Celis practice?

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

Other providers at this practice address

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John Celis, O.D., A Professional Corporation Optometrist · Lake Forest, CA NPI 1144313412

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-02-17.