Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Allison Sarah Katz, LMSW
Social Worker in Farmingdale, NY · enumerated 2024.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1164256459
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Registry record
Entity type Individual (Type 1)
Name Allison Sarah Katz
Credential LMSW
Sex Female
Practice address 23 Reeves Ave, Farmingdale, NY, 11735
Phone (516) 318-0383
Enumeration date Aug 28, 2024
Last updated in NPPES Aug 28, 2024
Taxonomy & licenses
104100000X Social Worker Behavioral Health & Social Service Providers · License 108925-01 (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
Where does Allison Katz practice?
The practice location on file with NPPES is in Farmingdale, NY. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Allison Katz?
The National Provider Identifier (NPI) for Allison Katz is 1164256459, a Type 1 (individual) record in the CMS NPPES registry.
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-08-28.