Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Ms. Cecelia J Dietzen

Occupational Therapist in Villa Park, IL · enumerated 2008 · practices at Easter Seals Dupage and the Fox Valley Region.

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

National Provider Identifier

1568614048

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Registry record

Entity type Individual (Type 1)

Name Ms. Cecelia J Dietzen

Sex Female

Practice address 830 S Addison Ave, Villa Park, IL, 60181

Phone (630) 282-2025

Fax (630) 620-1148

Enumeration date Oct 16, 2008

Last updated in NPPES Oct 16, 2008

Taxonomy & licenses

225X00000X Occupational Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 056008482 (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.

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Frequently asked questions

What is the NPI number for Cecelia Dietzen?

The National Provider Identifier (NPI) for Cecelia Dietzen is 1568614048, a Type 1 (individual) record in the CMS NPPES registry.

Where does Cecelia Dietzen practice?

The practice location on file with NPPES is in Villa Park, IL. Providers can have multiple locations; NPPES lists the primary practice address.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-10-16.