Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Katharine Hertweck, MA, LCAT ATR-P BC
Art Therapist in Cedarhurst, NY · enumerated 2020.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1104424126
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Registry record
Entity type Individual (Type 1)
Name Katharine Hertweck
Credential MA, LCAT ATR-P BC
Sex Female
Practice address 91 Carman Ave, Cedarhurst, NY, 11516
Phone (516) 941-6962
Enumeration date Oct 12, 2020
Last updated in NPPES Oct 12, 2020
Taxonomy & licenses
221700000X Art Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 002503 (NY) 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.
Frequently asked questions
What is the NPI number for Katharine Hertweck?
The National Provider Identifier (NPI) for Katharine Hertweck is 1104424126, a Type 1 (individual) record in the CMS NPPES registry.
Where does Katharine Hertweck practice?
The practice location on file with NPPES is in Cedarhurst, NY. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-10-12.