Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mrs. Michelle Dorann Hahn, PTA

Physical Therapy Assistant in Lake Mills, WI · enumerated 2008.

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

National Provider Identifier

1255508024

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Registry record

Entity type Individual (Type 1)

Name Mrs. Michelle Dorann Hahn

Credential PTA

Sex Female

Practice address W8248 Bridle Path, Lake Mills, WI, 53551

Phone (920) 645-0068

Enumeration date May 12, 2008

Last updated in NPPES May 14, 2008

Taxonomy & licenses

225200000X Physical Therapy Assistant Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 422-019 (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.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Michelle Hahn?

The National Provider Identifier (NPI) for Michelle Hahn is 1255508024, a Type 1 (individual) record in the CMS NPPES registry.

Where does Michelle Hahn practice?

The practice location on file with NPPES is in Lake Mills, WI. Providers can have multiple locations; NPPES lists the primary practice address.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-05-14.