Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Madeline Sharon Irwin, OTD, R/L

Pediatric Occupational Therapist in Fond Du Lac, WI · enumerated 2026 · practices at Fond Du Lac School District.

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

National Provider Identifier

1477472918

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Registry record

Entity type Individual (Type 1)

Name Dr. Madeline Sharon Irwin

Credential OTD, R/L

Sex Female

Practice address 72 W 9th St, Fond Du Lac, WI, 54935

Phone (920) 929-2900

Enumeration date Jul 10, 2026

Last updated in NPPES Jul 10, 2026

Taxonomy & licenses

225XP0200X Pediatric Occupational Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 8337-26 (WI) 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 Madeline Irwin?

The National Provider Identifier (NPI) for Madeline Irwin is 1477472918, a Type 1 (individual) record in the CMS NPPES registry.

Where does Madeline Irwin practice?

The practice location on file with NPPES is in Fond Du Lac, WI. 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 2026-07-10.