Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mrs. Erin Helen Arndt, PT
Physical Therapist in Watertown, NY · enumerated 2007.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1598894024
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Registry record
Entity type Individual (Type 1)
Name Mrs. Erin Helen Arndt
Credential PT
Sex Female
Practice address 23911 Woodland Dr, Watertown, NY, 13601
Phone (131) 577-7223
Enumeration date Mar 2, 2007
Last updated in NPPES Jun 14, 2016
Taxonomy & licenses
225100000X Physical Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 19994 (MD) Secondary
225100000X Physical Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 029413-1 (NY) Primary
PT · Physical Therapist: A licensed movement specialist treating injury and disability through exercise and rehabilitation.
About the PT credential
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 419800000 | Medicaid | MD | - |
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
What is the NPI number for Erin Arndt?
The National Provider Identifier (NPI) for Erin Arndt is 1598894024, a Type 1 (individual) record in the CMS NPPES registry.
Where does Erin Arndt practice?
The practice location on file with NPPES is in Watertown, NY. Providers can have multiple locations; NPPES lists the primary practice address.
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2016-06-14.