Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Chris Simopoulos, O.D.

Optometrist in Phoenix, AZ · enumerated 2011.

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

National Provider Identifier

1093083107

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Registry record

Entity type Individual (Type 1)

Name Dr. Chris Simopoulos

Credential O.D.

Sex Male

Practice address 7575 W Lower Buckeye Rd, Phoenix, AZ, 85043

Phone (623) 907-5952

Enumeration date Dec 2, 2011

Last updated in NPPES Apr 7, 2021

Taxonomy & licenses

152W00000X Optometrist Eye and Vision Services Providers · License OPT-001839 (AZ) Primary

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

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.

What specialty is Chris Simopoulos?

Chris Simopoulos 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.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-04-07.