Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
David C Hahn, DPT, SCS
Physical Therapist in Wausau, WI · enumerated 2007.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1831217371
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Registry record
Entity type Individual (Type 1)
Name David C Hahn
Credential DPT, SCS
Sex Male
Practice address 3901 Stewart Ave, Wausau, WI, 54401
Phone (715) 841-0002
Fax (715) 841-0003
Enumeration date Mar 26, 2007
Last updated in NPPES May 22, 2026
Taxonomy & licenses
225100000X Physical Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 5535 (WI) Primary
DPT · Doctor of Physical Therapy: A physical therapist holding the clinical doctorate now standard for the profession.
About the DPT credential
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 5535 | Other | WI | WI LICENSE # |
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.
Frequently asked questions
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.
What specialty is David Hahn?
David Hahn is registered in NPPES with the primary taxonomy of Physical Therapist. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.
Other providers at this practice address
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-05-22.