Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Cristy L Witt, OD

Optometrist in Aurora, CO · enumerated 2013.

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

National Provider Identifier

1073946398

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Registry record

Entity type Individual (Type 1)

Name Dr. Cristy L Witt

Credential OD

Sex Female

Practice address 15159 E Colfax Ave Unit B, Aurora, CO, 80011

Phone (303) 341-5437

Fax (719) 542-0425

Enumeration date Aug 11, 2013

Last updated in NPPES Oct 8, 2014

Taxonomy & licenses

152W00000X Optometrist Eye and Vision Services Providers · License OPT.0003056 (CO) Primary

152W00000X Optometrist Eye and Vision Services Providers · License TA2363 (MD) 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.

Read the full guide → Validate an NPI →

Frequently asked questions

What specialty is Cristy Witt?

Cristy Witt 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 2014-10-08.