Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Diane Dawidowicz

Pharmacist in Mokena, IL · enumerated 2020.

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

National Provider Identifier

1801491428

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Registry record

Entity type Individual (Type 1)

Name Diane Dawidowicz

Sex Female

Practice address 11200 Lincoln Hwy, Mokena, IL, 60448

Phone (815) 464-2171

Enumeration date Dec 1, 2020

Last updated in NPPES Dec 1, 2020

Taxonomy & licenses

183500000X Pharmacist Pharmacy Service Providers · License 051290050 (IL) Primary

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 Diane Dawidowicz?

Diane Dawidowicz is registered in NPPES with the primary taxonomy of Pharmacist. 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 2020-12-01.