Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mrs. Susan M Diedrick

Occupational Therapist in Fond Du Lac, WI · enumerated 2010.

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

National Provider Identifier

1235452582

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Registry record

Entity type Individual (Type 1)

Name Mrs. Susan M Diedrick

Sex Female

Practice address 845 S Main St, Suite 120, Fond Du Lac, WI, 54935

Phone (920) 322-0447

Fax (920) 322-1362

Enumeration date Mar 1, 2010

Last updated in NPPES Mar 1, 2010

Taxonomy & licenses

225X00000X Occupational Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 225-26 (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 Susan Diedrick?

The National Provider Identifier (NPI) for Susan Diedrick is 1235452582, a Type 1 (individual) record in the CMS NPPES registry.

Where does Susan Diedrick 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.

Other providers at this practice address

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Staci Polishinski Physical Therapy Assistant · Fond Du Lac, WI NPI 1134297070 Michelle Halfman Speech-Language Pathologist · Fond Du Lac, WI NPI 1164634622 Vicki Denzin Physical Therapist · Fond Du Lac, WI NPI 1437423993 David Moehn Speech-Language Pathologist · Fond Du Lac, WI NPI 1558604165

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2010-03-01.