Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Anna Clagg, O.D.

Optometrist in Oklahoma City, OK · enumerated 2009.

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

National Provider Identifier

1700016623

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Registry record

Entity type Individual (Type 1)

Name Dr. Anna Clagg

Credential O.D.

Sex Female

Practice address 4913 W Reno Ave, Oklahoma City, OK, 73127

Phone (405) 948-4900

Fax (405) 948-4902

Enumeration date Jul 27, 2009

Last updated in NPPES Jul 11, 2013

Taxonomy & licenses

152W00000X Optometrist Eye and Vision Services Providers · License 2599 (OK) 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
200252590A	Medicaid	OK	-

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 Anna Clagg?

Anna Clagg 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 2013-07-11.