Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Barbara J Andreoli, O.D.

Optometrist in Naperville, IL · enumerated 2005.

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

National Provider Identifier

1083603518

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Registry record

Entity type Individual (Type 1)

Name Dr. Barbara J Andreoli

Credential O.D.

Sex Female

Practice address 636 Raymond Dr Ste 300, Naperville, IL, 60563

Phone (331) 732-4370

Fax (331) 732-4375

Enumeration date Oct 18, 2005

Last updated in NPPES Mar 1, 2022

Taxonomy & licenses

152W00000X Optometrist Eye and Vision Services Providers · License 046-006802 (IL) 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.

Read the full guide → Validate an NPI →

Frequently asked questions

What specialty is Barbara Andreoli?

Barbara Andreoli 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 2022-03-01.