Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Christopher Marmo, O.D.

Optometrist in Peoria, AZ · enumerated 2005.

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

National Provider Identifier

1932197506

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Registry record

Entity type Individual (Type 1)

Name Dr. Christopher Marmo

Credential O.D.

Sex Male

Practice address 21655 N Lake Pleasant Pkwy, Peoria, AZ, 85382

Phone (623) 537-4595

Fax (602) 437-3498

Enumeration date Oct 7, 2005

Last updated in NPPES Mar 26, 2025

Taxonomy & licenses

152W00000X Optometrist Eye and Vision Services Providers · License OPT001437 (AZ) Primary

152W00000X Optometrist Eye and Vision Services Providers · License OPT-001437 (AZ) Secondary

OD · Doctor of Optometry: A licensed optometrist providing primary vision care, eye exams, and corrective lenses. About the OD credential

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 specialty is Christopher Marmo?

Christopher Marmo is registered in NPPES with the primary taxonomy of Optometrist. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-03-26.